Cobra 148 Gtl Mosfet Mod


COBRA 148 GTL DX ,148 F GTL DX+ series, Replacement radial electrolytic cap kit. Estate Untested. These are not the cheap aftermarket meters but factory OEM meters. Cobra 146 GTL AM/SSB CB Radio Review. A simple way to really increase the audio of a Cobra 148 GTL CB radio is to find R126 and jumper it. looking for circuit diagram or alignment details I'm not sure which units you need. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Cobra 148 GTL AM / SSB CB radio overview with modifications by CBradiomagazine. + Postage to: Ireland. Both modifications are approx. I recently obtained a Cobra 148F GTL from a friend and I was thinking about having some modifications done to the radio. CB REPAIRS COBRA 148 GTL. IRF520 MOSFET Final Conversion for UNIDEN GRANT XL, Should apply to older Cobra 148 GTL as well Parts List for MOD: QTY-1: IRF520 QTY-1: 330K-Ohm resistor QTY-1: 470-Ohm resistor QTY-1: 1N4148 Diode QTY-1: 68PF Ceramic Capacitor QTY-1:470PF Ceramic Capacitor Conversion Instructions: 1. This is for the counters. Check our ranking and reviews below. O Cobra 2000 GTL era a verso base e com frequencmetro do modelo Cobra 148 GTL, e a nica diferena tcnica entre eles que o primeiro utilizava o PLL MB8734, uma verso de 6 bits do PLL MB8719, que era de 7 bits, porm com uma limitao na programao do pino 10, o que impede modificaes como as desse ltimo. 815 upwards with the Lescomm board fitted. It's a great looking classic style CB radio with good sounding audio both sent and. The Cobra 148 GTL-DX Transceiver was manufactured in Taiwan (Former Rebublic Of China - R. In case you are finding to buy Cobra 148 Gtl 40 Channel Classic Cb Radio for sale,. This is the newer release counter with the board number EPT210014D (Modification courtesy of West Coast Radio). Point for use on the Cobra 148 GTL, 142 GTL, 140 GTL, Uniden Madison, Grant XL, Washington and many more that use the MB8719 PLL. Manufacturer - Cobra Model - 148 GTL D. There is a variety of kits for Uniden, Realistic, Cobra and Galaxy. This radio is modifiable for extra channels – the one I had. Hand Mic to Desk Mic Upgrade. Click on the picture to see a bigger picture and if entered the extra description. Cobra 142 GTL Mods: [email protected] Cobra 148 GTL 25 Watt Modifications Using ERF-2030 Below are 2 modifications for the 148 GTL. Cobra 148F GTL DX+ IC7 R176 270K, R186 1K TGT MD-1 Modulator Installation Instructions The following installation requires the removal of 1 resistor and the connection of 7 wires to the main circuit board of the radio. Jentech 148 GTL-DX. 95 Cobra 148 GTL "25 Watt" Driver and Finals Mod - The Cobra's iconic 148 GTL took a slight redesign in the phase-locked loop system back in 2008 utilizing a Chinese produced chip. More Cobra 2000GTL info: Who can forget the legacy of the Cobra 2000 GTL base station. Add both to Cart Add both to List. pesso por favor que leigos em eletronica nao se atevao a fazer tau ato de modificação pois fica por conta em risco você. Cobra 148 gtl philippines mods 7:22 pm Want to make this Galaxy 44v into a AUDIO screamerCitizenband2 1 1-30-10 5:25 am New Galaxy DX2547 with IRF520 Mosfet. The meter works, is lighted, and channel display is full-NO dropouts. 00: 120001 Signal/RF meter vertical scale Robyn fits 14x35mm hole, curved face, body right, 13 volt light: $9. Richard Camarata. IRF520 MOSFET Final Conversion for UNIDEN GRANT XL, Should apply to older Cobra 148 GTL as well Parts List for MOD: QTY-1: IRF520 QTY-1: 330K-Ohm resistor QTY-1: 470-Ohm resistor QTY-1: 1N4148 Diode QTY-1: 68PF Ceramic Capacitor QTY-1:470PF Ceramic Capacitor Conversion Instructions: 1. Cobra (Dynascan) 139XLR Super Ears Mod. I have a Cobra 148GTL from back in the day, I'd say from the late 1980's early 1990's. Get the best deal for Cobra 148 from the largest online selection at eBay Cobra 148 MOSFET Mod for Driver and Final. and sliding down. Only got it out of the loft the other day,not been used for years. (Canais 1-40) Freqüência Fase Controle Lock Loop (PLL) do sintetizador. im guessing you fiddled with the vco cores instead Retrieve Content. Cobra 148 mod. Texas Star Modulator Plus being run with a Cobra 148 GTL, am and. View and Download Cobra 148 GTL operating instructions manual online. And there will be 2 different mods for the 148GTL, MOD #1 ~ Final Transistor Replacement. This unit features advanced Phase Lock Loop (PLL) circuitry, which is used in the AM mode and in the upper and lower single sideband modes, providing complete cover age of all 40. This modification kit contains all the parts you need to install MOSFETs in place of the original bipolar transistors in your Cobra 148. 5dB S/N improvement with the 2SC2999 reduces to about 0. You will not like to miss the opportunity to bid for this cobra 148. The Cobra 148 GTL-DX Transceiver was manufactured in Taiwan (Former Rebublic Of China - R. Tram part number ZMTY182001 These can also be used in the Cobra 1000 as is. Quick 'n dirty explanation - All the PLL does is send an analog voltage to the VCO which determines what frequency the VCO puts out to the mixer circuit. Cobra 148 GTL (PC-412AD) Electrolytic Caps. cobra 148 gtl f resto mod and amp setup for chris by snake radio customs builds and mods 1 year ago 1 hour, 1 minute 1,498 views www. It Cbtricks mosfet BAL. Cobra 148 gtl dx mk2 mods COBRA 148 GTL-DX "MKI & MKII" PB-879 & PB-010 Chassis The Cobra 148 GTL-DX Transceiver was manufactured in Taiwan (Former Rebublic Of China - R. COBRA 148 GTL-DX. Tensão de entrada nominal de 13. Cobra 200GTL The HF50-12F MOSFET (Q35 and Q40) finals are no longer available. cobra 138 XLR CB Radio 400CH Mods (01/10) Panasonic CB Radio RJ 3660 40 channel base station (12/21) New Cobra 148 GTL and Cobra 148 GTL D - DDS VFO (400 channels) (11/30) MOTOROLA SYSTEM 500 and TRS Challenger 1400 SSB/AM CB Radio (11/02) PRESIDENT JACKSON Ⅱ Classic Power adjustment and S/RF meter replacement. 305 (414) 100%, Location: Miami, Florida, Ships to: US, Item: 264059187363 Cobra 148 F GTL CB Radio. also you will need some wire and soldering stuff. dk and you like to share this with others, then upload the picture to mods. Cobra 142 Gtl Service Manualmade during the period. In the Autumn of 2005 Cobra released its first significant new radio for quite some time. If you know how please let me know. The ones marked missing on the chart can be reached by going to the next highest channel. Do NOT remove the TR25 Mod Limiter on this radio, as it will sound like crap later. This base station model was also very sought after, and in the same league (if not higher) as the Uniden President Washington. Cobra 2000 GTL Alarm and Set replacement Dynalert Switch drawing numbers S412 and S414 Cobra part number 088-051-9-003. CB/PA switch moves frequency by 10 KHz. Modification #2 replaces both driver and final. Cobra 148 GTL Audio and Power Mods. IRF520 MOSFET Final Conversion for UNIDEN GRANT XL, Should apply to older Cobra 148 GTL as well Parts List for MOD: QTY-1: IRF520 QTY-1: 330K-Ohm resistor QTY-1: 470-Ohm resistor QTY-1: 1N4148 Diode QTY-1: 68PF Ceramic Capacitor QTY-1:470PF Ceramic Capacitor Conversion Instructions: 1. PDF Download Fundamentals of RF and Microwave Transistor Amplifiers Read Full Ebook. Check our ranking and reviews below. Due to parts swappers sold ss is no refunds or exchages. Basics:40 channel CB AM / SSB Illuminated S/RF Meter, front mounted microphone jack, receive/transmit indicator SWR calibration of antenna system, dimmer control adjusts brightness of channel display & meter, tactile control & 3-position tone control. Both of these radio`s work great. This is the modification for the New Cobra 148 GTL D MMB8719 PLL. Cobra 148 GTL Front Mic Face Plate Decal CB Radio any Design/Color Connex Galaxy. SUPERSTAR 360FM. COBRA 148 , 2000 GTL , UNIDEN GRANT AND MADISON The mod is basically the same for these radio EXCEPT that there is no PC trace going to pin#10 on this PLL. Every car is modified to fit the more closer as possible with original cars. 1)Cut d-52 and r-148. Transformers. Cobra made several versions of the 148 GTL-DX Transceiver and Cobraworxshopz aim to highlight the different chassis and revisions to ease identification of this now Classic and in our opinion. Defnroc Does that have the old MB8719 PLL? If it has the newer RCI8719, it could be the cause. This modification kit contains all the parts you need to install a MOSFET in place of the original bipolar transistor in your Cobra 148. included the complete set of 29 SECRET CB Manuals to help you with this great hobby. 7 views per day, 19 days on eBay. View All Cobra 29 Radios For Sale. in the Detroit area its all f words and big radios rule the air mine aint stock and I dont run a amp so I cant fly with 1000 or more watts (no one runs under 250 watts). Details aboutCobra 148 GTL CB Radio Malasya Made Tuned & Aligned Nice Plus Extras. On the Cobra 2000gtl you will find a MB8734 pll replace it with a MB8719 PLL Clarifier Modification PRESIDENT GRANT AND MADISON. 5dB S/N improvement with the 2SC2999 reduces to about 0. This kit covers the initial Taiwan and later Philippines, 5 pin side microphone units built from 1980 to 1995. Modification #1 only replaces the final. I do not recommend cutting R131 which limits the modulation. Por conta disso, e no caso do Cobra 148 GTL INTL, e outros modelos de transceptores voltados ao segmento Rádio do Cidadão, atualizaram o layout da etapa do Tanque Final e operam com esses MOSFET'S FQN13N10, os quais entregam potência média de 25W PEP, em SSB. For further information call. Cobra 148F GTL Face Plate Decal CB Radio any Design/Color Uniden Connex Galaxy. The radio out-of-the-box is acceptable, performance is a bit low but with a few tweaks to make it a relatively good, loud CB radio. It has the PB010 chasis. COBRA 148 GTL Cb Radio Lsb-Am-Usb - £52. Note: Some newer Uniden's now have RCI 18719 "clone" PLL. This mod transforms SSB operation on the 200 and keeps your Transmit frequency locked when. Cobra 148 gtl- dx " mki & mkii" pb- 879 & pb- 010 chassis. Modification #1 only replaces the final. When having a first look at the radio you’ll notice the size is comparable to other SSB radios like the Cobra 148 GTL or Uniden Grant, but that’s where the similarities end. below are certain information in Cobra 148 Gtl 40 Channel Classic Cb Radio. Cobra 2000 GTL /1000 NEW MOD/SWR METERS. I have a kenwood ts2000-all seems ok -but the meter receive side works fine but the transmit will not read at all. Please select our "Services" for current pricing. I didn't know it was so easy to Mod a 2510. Click on the picture to see a bigger picture and if entered the extra description. if the cobra 148 gtl Dx has the same board here is a mod. Cobra 148 GTL Side Mic Faceplate Decal CB Radio Any Design/Color Galaxy Uniden. PRESIDENT GRANT AND MADISON 1)Cut d-52 and r-148. After hours researching and comparing all models on the market, we find out the Best Cobra 148 Gtl of 2021. Has anyone seen a Cobra 148 GTL do this before? This is the older model with the five pin mic plug on the side of the radio. 00 + s hipping. 00 EACH 148-XL Extra Channels Kit. This time it's a Cobra 148 GTL that can work from between 26175 at the lowest and ends in the 10m Band! Take a look at the video, the idea and the way it's…. Estate Untested. 39MHz crystal. Modificar saida do Cobra 148 GTL para lhe dar mais potência. Factory Service Manual ( Covers 148GTL, 148GTL ST, 148 NW ST) (dated 1997 1998) Page 1 to 15. nl) Subject: Service Manual Cobra 148GTL. Clip R- 131,Turn up VR-5 all the way up. This modification is for the latest production 148 GTL with 4pin microphone plug. Note the parts listing in SAMS and also the factory service manual may incorrect as to these switch so be very careful. Cobra 148 F GTL CB Radio. Power Tweek and Modulation. Cobra 148 GTL - CB Video Review. So I will continue to do what I do and I do not hold a gun to any ones heads to get work done by me. 69 watching. View and Download Cobra 148 GTL operating instructions manual online. Do NOT remove the TR25 Mod Limiter on this radio, as it will sound like crap later. Hi everybody! I recently found this excellent thing, Cobra 148 Gtl 40 Channel Classic Cb Radio. cobra 148 gtl f resto mod and amp setup for chris by snake radio customs builds and mods 1 year ago 1 hour, 1 minute 1,498 views www. Cobra CB Radio 148 GTL 25 Watt Modifications Using ERF-2030. Cobra 148 GTL Power Tweek and Modulation 1) Change R126 to a 2. com Model: 148 GTL-DX Tune-Up and Information: 19. Cobra 148 GTL ST SSB CB Radio BRAND NEW Single Side Band. 39MHz crystal. PRESIDENT GRANT AND MADISON. Show list for Cobra 148gtl-dx. Cobra 148 mk1? Post by superstar » 14 Jun 2014, 18:04 I have here a mk1 148 with a serial number of 13000742, all my other mk1's start with 0300, inside looks untouched and like new and the serial plate shows no sign of tampering, did some late mk1's slip through with a 1300 serial number, can anyone shed some light please?. Im asking $125. O Cobra 2000 GTL era a verso base e com frequencmetro do modelo Cobra 148 GTL, e a nica diferena tcnica entre eles que o primeiro utilizava o PLL MB8734, uma verso de 6 bits do PLL MB8719, que era de 7 bits, porm com uma limitao na programao do pino 10, o que impede modificaes como as desse ltimo. Details about Cobra 148 MOSFET Mod. CB REPAIRS COBRA 148 GTL. It's a great looking classic style CB radio with good sounding audio both sent and. In case you are finding to buy Cobra 148 Gtl 40 Channel Classic Cb Radio for sale,. View and Download Cobra 148 GTL operating instructions manual online. Are you looking for the Cobra 148 Gtl of 2021?. Cobra 142 GTL Mods: [email protected] ) Remove L40, & the 2SC1969 Final Transistor. Modification #1 only replaces the final. Pensa em um radinho maneiro, agora com potencia. Cobra 148 mk1? Post by superstar » 14 Jun 2014, 18:04 I have here a mk1 148 with a serial number of 13000742, all my other mk1's start with 0300, inside looks untouched and like new and the serial plate shows no sign of tampering, did some late mk1's slip through with a 1300 serial number, can anyone shed some light please?. I want to add talkback and install a mod kit myself. COBRA 148 GTL DX ,148 F GTL DX+ series, Replacement radial electrolytic cap kit. Cobra 148-GTL AM and SSB mobile cb radio. The cobra 148 gtl dx does not use the same mixing as the regular 148 gtl. Hope this helps, Lon. Note the parts listing in SAMS and also the factory service manual may incorrect as to these switch so be very careful. The Cobra 148 GTL-DX Transceiver was manufactured in Taiwan (Former Rebublic Of China - R. Amp and Cobra 142 GTL for sale-- Hawl, 19:24:25 04/29/09 Wed Ok, well heres what I have, A very nice Cobra 142 GTL w/ Cobra hand mike(LOL thats what it says on the front of the radio) This is in almost mint condition with no modifacationd done to it. cobra 148 gtl mods Por febrero 10, 2021 febrero 10, 2021. dk and you like to share this with others, then upload the picture to mods. com aims to become the most comprehensive reference guide for ham radio equipment. RD250 wrote: When tested in the radio itself then this 1. nl) Subject: Service Manual Cobra 148GTL. Cobra makes sure that its improved 148 GTL CB radio will impress and satisfy loyal users of this brand. Tensão de entrada nominal de 13. It basically is a Cobra 148 with the Frequency Counter and some push buttons instead of the standard switches. and sliding down. Cobra 148 MOSFET Mod. Defnroc Does that have the old MB8719 PLL? If it has the newer RCI8719, it could be the cause. 26-07-2007 Intel H520 10 meter mod 17-07-2007 Cheap and easy way to get a CAT. Cobra 148 GTL Audio and Power Mods; A simple way to really increase the audio of a Cobra 148 GTL CB radio is to find R126 and jumper it; It is a 10K ohm resistor about 1" to the LEFT of the MIC jack. 5dB S/N improvement with the 2SC2999 reduces to about 0. Cortland Street, Chicago, Illinois 60635, USA in the late 1970's and early 1980's. This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. MOD #2 ~ Driver and Final Transistor Replacement. Cobra MK 4. This kit will replace the driver and final with MOSFETs. So I'm wondering first, what can I look for on the board to see if the channel mod was installed?. The ones marked missing on the chart can be reached by going to the next highest channel. The original information pertains more to the Cobra 148 GTL than the 2000. 695 M0MTS , Jun 6, 2007. MOD TR21 2SC1815GR SW TR22 2SC1815GR MIC AMP TR23 2SC1815GR TR24 2SC945G ATT SOUND TRACKER MODULE TR26 2SC1815GR AMC CONTL. This time it's a Cobra 148 GTL that can work from between 26175 at the lowest and ends in the 10m Band! Take a look at the video, the idea and the way it's…. Encontre Cobra 148 Gtl Intl Mods no MercadoLivre. 1: 470-Ohm resistor. I want to add talkback and install a mod kit myself. Over 35 years servicing all types of CB/HAM radio's, amps, power supplies etc. It is unknown if this modification will. Those Cobra 148 GTL units were some tough and powerful units. Their Sideband radios such as the 146, 148 gtl and 2000 were superb, they were stable and a radio you could be proud of. Mosfet Upgrade For Cobra 148/ cobra 2000. The Cobra 148F GTL is unique because it came stock with a built in frequency counter. I've not seen in the Grant XL mods. Cobra 148F GTL - mod suggestions & Frequency expanion Hello r/cbradio , I am looking for modification suggestions I recently obtained a Cobra 148F GTL from a friend and I was thinking about having some modifications done to the radio. They are hard to find and very pricey. FOR SALE! AKA FINE PRINT BEING OFFERED IN AS DESCRIBED CONDITION SEE ALL PHOTOS 284296471552 Cobra 148 MOSFET Mod. Cobra 2000 GTL restorations. Copper Talk: Cobra 148 GTL Mods Needed. THE FOLLOWING IS A (NO-NO) AND IS FOR YOUR INFORMATION ONLY. Show list for Cobra 148gtl-dx. COBRA 148 GTL DX ,148 F GTL DX+ series, Replacement radial electrolytic cap kit. Maverick 843 Radio Maverick 843 Radio Videos Chinese model Cobra 148GTL D before npc mod and volting final. This is for the counters. C) for Cobra Communications Product Group, DYNASCAN CORPORATION, 6460 W. Cobra MK 5. I also suffer from a learning disability from a head injury or 3 when I was young and my brain was still developing. Manufacturer - Cobra Model - 148 GTL D. Frequency Counter Retro-Fit Modifications for Cobra 148 GTL-DX & Superstar 360 FM Transceivers. Are you looking for the Cobra 148 Gtl of 2021?. COBRA 148GTL MODS. Cobra 29 MOSFET Mod. Just fitted a CPI base mic to my Cobra 2000 GTL for ease of use. This time it's a Cobra 148 GTL that can work from between 26175 at the lowest and ends in the 10m Band! Take a look at the video, the idea and the way it's…. Most that you find do not work. COBRA 148 , 2000 GTL , UNIDEN GRANT AND MADISON. Modificar salida 2SC 1969 a IRF 520 de salida MOSFET. This radio is in fair cosmetic condition with normal wear over all, and all controls work as they should, except volume and RF gain controls are a little scratchy, and could use some contact cleaner. Seller: jcm. No pictures available. Cobra 2000gtl/148 Channel Selector. Cobra 148 GTL ST SSB CB Radio BRAND NEW Single Side Band. Tram part number ZMTY182001 These can also be used in the Cobra 1000 as is. cobra 29 receive mod, cobra 29 receive mods, cobra 29 diodes for receive mod, powered by vBulletin cb radio modification, cobra 148 receive mods, 2sc2999e and dode mod for cobra 29, cobra mods, cobra 29 mods, improving cobra 29 receive mod, schottkey recieve mod, recieve mod for cobra 29, schottky cobra 29, cobra 29 home made, cb receive mods, cobra 29 receive upgrade instructions, receive mod. The manufacture of this particular model was halted in the late 1990's, but due to popular demand they are being made once again. it works perfectly full coverage from 26. 5x11) Schematic Diagram (11x17) Schematic Diagram. Check our ranking and reviews below. Some of the great features and benefits of this product include: 12 watts SSB RF power output that boosts range capabilities. This is the newer release counter with the board number EPT210014D (Modification courtesy of West Coast Radio). Cobra 148 Gtl Modifications is available for you to inquiry on this place. COBRA 148 / 2000 / 2010 GTL UNIDEN GRANT XL UNITS ONLY Extended Frequency "Extra Channels" Kit. if the cobra 148 gtl Dx has the same board here is a mod. Detalhe da placa do Radio Cobra 148 GTL produzido na Malásia, com o PLL RCI8719 Nesses equipamentos pode-se observar um pequeno capacitor eletrolítico azul ligando o pino 9 do PLL ao terra. 00 + s hipping. Dossierbuttered. Proteção do TR36 2SC 1969 cobra 148 GTL. MOSFET Supertune (29LTD classic and newer): Replace stock final with IRF520 MOSFET transistor (pin-for-pin match when installing). Estas modificaçoes deve ser realizadas com aparelhos para verificação de tençao espectro analizador e precissisos watimetros pois com um bom conhecimento no que esta fazendo. locate and remove C174. CB RADIO COBRA 148 GTL RAT RADIO REFRESH AND MOD FOR LAVELL. This modification kit contains all the parts you need to install a MOSFET in place of the original bipolar transistor in your Cobra 148. They wash out 3 or 4 channels or more. GTL Skins 35. The Eleflow 2SC1969 is marked “CB-20W” as pictured below. This sale is for a (x1) QUICK RELEASE SPEAKER WIRES. 148 GTL-DX Tune-Up and Information: 19. Modification #1 only replaces the final. No pictures available. I have a kenwood ts2000-all seems ok -but the meter receive side works fine but the transmit will not read at all. com aims to become the most comprehensive reference guide for ham radio equipment. Add both to Cart Add both to List. Get the best deal for Cobra 148 from the largest online selection at eBay Cobra 148 MOSFET Mod for Driver and Final. Seller: jcm. CB Radio Receiver Upgrade Kit For Cobra 148 GTL and Uniden Grant XL 2000 GTL. SPEAKER WIRES. In case you are finding to buy Cobra 148 Gtl 40 Channel Classic Cb Radio for sale,. Used Cobra 148 GTL AM/LSB/USB Single Sideband CB Radio. The Eleflow 2SC1969 is marked "CB-20W" as pictured below. COBRA 148 GTL-DX. Click on the picture to see a bigger picture and if entered the extra description. GT Legends 370. É isso aí o 148 gtl agora está pronto para você fazer DX, e QSO, ficando esperto em relação a estacionária da antena e com a alimentação de 13,8volts, ele dará vida inteira. by cb4ever104 » 02 Nov 2012, 23:08. Cobra 148 Gtl and Cobra 148 Nt St Cb Radio (Southern Indiana ,Brandenburg KY Area) Cobra 148 Gtl and Cobra 148 Nt St Cb RadioSale the Cobra 148 Gtl and Cobra 148 Nt St Cb Radio. com: Cobra 148 GTL Audio and Power Mods. Manual Cobra 148GTL-DX Author Subject Keywords. 5) Adjust VR10 for maximum PEP on AM. for cobra 25: Press_man: 4 : 1 : New Galaxy DX2547 with IRF520 Mosfet finals: Tech808: 2 : 1 : Cobra 148 GTL squeals on AM only Cobra Electronics® has been making CB radios since 1963. Remove the green and blue/white wires from the channel switch board and join them to the purple/white position on the board. Re: Cobra 148 GTL-DX newbie help Post by 163TM847 » 05 Sep 2011, 13:25 Ive had this set here once before, It did have an eprom in it at some point [coloured ribbon on the ch selector], I also recognize the taped up wires which i believe is because the wires have been extended to the coarse/fine. light, tone, nb, rx/tx light, anl, new led in. Details aboutCobra 148 GTL CB Radio Malasya Made Tuned & Aligned Nice Plus Extras. Cobra MK 5. I've assembled the "swing kits" with a pot for power level before for the cobra 29's but I want to put one on my 142 for AM. Siehe Details. com DA: 20 PA: 48 MOZ Rank: 74. 2k resistor Change R94 to a 2. Cobra 21 GTL Cobra 23 Plus Cobra 29 LTD BT (Bluetooth) Cobra 29 LX Cobra 29 LX LE Cobra 29 XLR Gold Cobra 75 WX Cobra 138 XLR Cobra 139 XLR Cobra 140 GTL Cobra 142 GTL Cobra 146 GTL Cobra 148 GTL Cobra 148F GTL Cobra 200 GTL DX Cobra 2000 GTL Cobra 2010WX. SPEAKER WIRES. Lista de piezas / componentes para MOD: 1:. Cobra GTL 2000 CB Radio Works Good With Extra Channels KitI have for sale a Cobra GTL 2000 CB Radio that was made in the Taiwan. Some are simple and others more elaborate. The microphone connector is of a four-pin design and the whole connection is designed to maximize space. 1)Cut d-52 and r-148. Cobra 29 LX BT. The radio out-of-the-box is acceptable, performance is a bit low but with a few tweaks to make it a relatively good, loud CB radio. Cobra 148 gtl and 29 parts knob. 9 by Merkava-----This mod contains 10 cars in original liveries from 1962 to 1969 New category,some physics and engine changes. thanks for your help,is the 148gtl the same as my 148 gtl dx,I`m not sure. Looking for a mint unmodded Cobra 148GTL or Uniden Grant XL. Hand Mic to Desk Mic Upgrade. COBRA 148GTL MODS. 3 6/15/99 3:12 PM. com Model: 148 GTL-DX Tune-Up and Information: 19. Cobra CB Radio 148 GTL 25 Watt Modifications Using ERF-2030. PDF Download Fundamentals of RF and Microwave Transistor Amplifiers Read Full Ebook. Cobra 148 MOSFET Mod. Find r-174 and solder a wire. FREE Shipping. com DA: 20 PA: 48 MOZ Rank: 74. So I'm wondering first, what can I look for on the board to see if the channel mod was installed?. Change R126 to a 2. There is a switch in the front that changes. cobra 148 gtl f resto mod and amp setup for chris by snake radio customs builds and mods 1 year ago 1 hour, 1 minute 1,498 views www. modulation mod for cobra 148 gtl ? 11. See the chart for the resistor, AM modulator transistor, AM Power, and AMC controls for your particular radio application. COBRA 148 GTL-DX cb radio faceplate Decal Sticker bezel self adhesive REDUCED!. Hi everybody! I recently found this excellent thing, Cobra 148 Gtl 40 Channel Classic Cb Radio. Power Increese for Cobra 148 GTL: 09 Apr 2008: Peak voice sensitivity for Cobra 2000 and 148gtl: 10 Mar 2008: Extra channel modification 3 switch version for Cobra 148GTL: 19 Dec 2007: mod submission for cobra ssb 8719pll chassis (cobra 148gtl) 12 Mar 2007: cobra 148gtl 10-meter conversion: Click here to view all the ABOVE modifications for. COBRA & SUPERSTAR. Cobra 29 MOSFET Mod. Quick 'n dirty explanation - All the PLL does is send an analog voltage to the VCO which determines what frequency the VCO puts out to the mixer circuit. 00, 4 COBRA 148F GTL CB RADIO AM LSB for parts or repair. Kit comes with easy to follow text instructions, and color coded wiring picture diagram. A simple way to really increase the audio of a Cobra 148 GTL CB radio is to find R126 and jumper it. Most that you find do not work. 77 Cobra 148 MOSFET Mod. And, it does it cleanly!. Modification #2 replaces both driver and final. Modification #1 only replaces the final. Adapts to various radio models, including HF radios. I have a 2510 I use as a radio on the bench to listen in only on a short wire antenna. It is soooo easy! I did this mod way back in the 80's and have never seen it referenced ANYWHERE. Read Online Cobra 148 Gtl 25 Watt Modifications Using Erf 2030 "AM" radios such as the 25LTD, 29LTD. The radio out-of-the-box is acceptable, performance is a bit low but with a few tweaks to make it a relatively good, loud CB radio. Cobra GTL 2000 CB Radio* Works Good (Southern Indiana- Brandenbubrg KY Area) Cobra GTL 2000 CB Radio* Works Good I have for sale a Cobra GTL 2000 CB Radio that was made in the Taiwan. Vendeur: scrappin4cash608 ️ (868) 100%, Lieu où se trouve: Beloit, Wisconsin, Lieu de livraison: Worldwide, Numéro de l'objet: 174736572827 Vintage Cobra 148 GTL AM & SSB Side Band CB Radio W Cobra Echo Microphone Mike. Cobra 148 GTL Front Mic Face Plate Decal CB Radio any Design/Color Connex Galaxy. Cobra JumPack portable power gives you the power to jump start your vehicle without assistance. 695 M0MTS , Jun 6, 2007. Re: Cobra 148 Gtl Dx mod info please. Will include a desktop powered microphone. Details about Cobra 148 MOSFET Mod. Switch is rewired to TB. Have you a picture that not is shown on mods. Looking for a mint unmodded Cobra 148GTL or Uniden Grant XL. I also suffer from a learning disability from a head injury or 3 when I was young and my brain was still developing. Due to parts swappers sold ss is no refunds or exchages. Total price: $179. Click & Collect. Do NOT remove the TR25 Mod Limiter on this radio, as it will sound like crap later. COBRA 2000 GTL EVALUATION FOR JASON IN HAWAII. FREE Shipping. Cobra's iconic 148 GTL took a slight redesign in the phase-locked loop system back in 2008 utilizing a Chinese produced chip. Cobra 148 GTL ST. Anybody interested in putting a VFO in their Cobra 142. Show details. Quick 'n dirty explanation - All the PLL does is send an analog voltage to the VCO which determines what frequency the VCO puts out to the mixer circuit. I purchased mine in 1978, and was lucky to get one of these little gems. 8V DC, max 15. if the cobra 148 gtl Dx has the same board here is a mod. Compare $8. The radio out-of-the-box is acceptable, performance is a bit low but with a few tweaks to make it a relatively good, loud CB radio. This radio does have some mods. Moorgreyhound. It is soooo easy! I did this mod way back in the 80's and have never seen it referenced ANYWHERE. 00, 21 High Power Mod. New Listing COBRA 148-GTL ECHO AND ROGER BEEP-WORKING. Cobra 148gtl mod. It Cbtricks mosfet BAL. And YES, Copper will also carry the matching components EN-1250, EN-369DR, EN-369SN that are required for the different conversions for different radios. KF-VI / KF-6 FREQUENCY COUNTER Frequency Counter Retro-Fit Modifications for Cobra 148 GTL-DX, Superstar 360 FM & JenTec Transceivers. No pictures available. Solder the + leg of the 10uf cap to the + hole of C174. COBRA 148 GTL-DX "MKI & MKII" PB-879 & PB-010 Chassis. Some are simple and others more elaborate. The clarifier has had a mod done. Cobra 148 gtl- b printed circuit board ptbm122dox. Are you looking for the Cobra 148 Gtl of 2021?. 2k ohm resister. Cobra CB radios for sale are at the pages listed above. Have you a picture that not is shown on mods. C) for Cobra Dynascan USA in the late 1970's and early 1980's. PicClick Insights - VINTAGE COBRA AM/SSB 142 GTL 40 channel CB Base Station Radio PicClick Exclusive. Cobra 148 GTL AM / SSB CB radio overview with modifications by CBradiomagazine. I am getting audo from the other cb through my cobra recieve is working with the radio, now as for transmitting there is not transmit from the modified cobra cb. C) for Cobra Communications Product Group, DYNASCAN CORPORATION, 6460 W. CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO. Radio: Mod Boost: Power: 7 PLUS: VR4 or CUT D8: L11, L12, L13: 10 PLUS: VR4 or CUT D8: L11, L12, L13: 18 LTD: CUT D13 or CUT R84: L7, L6, L5: 18 PLUS: CUT D12: L 7. Amatuer and CB radio mods,add on boards,circuit diagrams,service manuals, repair tips to fix radio, radio alignment,cb reference info,mods,PLL pinouts,data sheets,projects. They are hard to find and very pricey. The radio talks great on AM and Side Band, I got very good reports talking on the radio. Cobra Cobra 148 GTL Mods. Cobra 148 MOSFET Mod. COBRA 148 GTL DX ,148 F GTL DX+ series, Replacement radial electrolytic cap kit. FQP13N10 MOSFET President Lincoln Final. cobra 148gtldx 879 chassis The regulator transistor often blows (appears like output transistor gone but can be spotted by no mod on AM) and can be replaced by a TIP42 which is PNP. 815 upwards with the Lescomm board fitted. Its located up front of the radio almost in the center. Parts only. We found at least 10 Websites Listing below when search with cobra 142 gtl mods on Search Engine › Cobra 148 gtl mods modulation Jual Cobra 148 GTL CB Radio From USA dengan harga Rp4. Jentech 148 GTL-DX. It appears that the mod is for extra channels. Have you a picture that not is shown on mods. Richard Camarata. com Technicians offer the following Cobra 200 GTL-DX REV1 and REV2 Transceivers 9: Unlock the Fine clarifier for RX ONLY!! - same as Cobra 148 GTL-DX This mod unlocks the 'Fine' clarifier to make it RX receive ONLY, just like the 148 GTL-DX. Detalhe da placa do Cobra 148 GTL, após o chaveamento do PLL : 37. MOSFET Supertune (29LTD classic and newer): Replace stock final with IRF520 MOSFET transistor (pin-for-pin match when installing). 6) Adjust VR11 for maximum PEP on SSB. Cobra 148 gtl- dx " mki & mkii" pb- 879 & pb- 010 chassis. The clarifier has had a mod done. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. Detalhe da placa do Radio Cobra 148 GTL produzido na Malásia, com o PLL RCI8719 Nesses equipamentos pode-se observar um pequeno capacitor eletrolítico azul ligando o pino 9 do PLL ao terra. 1: 1N4148 Diodo. I do not recommend cutting R131 which limits the modulation. br! Entre e conheça as nossas incriveis ofertas. 3) Remove TR24 4) Re-tune L37 and L38 for maximum forward AM power. This modification is for the latest production 148 GTL with 4pin microphone plug. 775 and if you do the 10 khz shift mod there really arnt any gaps, most PB010 boarded radios will do the entire span with out any problems with the VCO locking a And power and recieve is still good, i will scan the info and send it via e-mail. Cobra 148 mod. The radio has an AM pot adjustment inside so you can easily lower the deadkey - I set mine at 1 watt swinging 12 watts. Detailed instructions are included. Clarifier Modification. 1: resistor 330K Ohms. Ending Thursday at 6:00PM PDT. On the Cobra 2000gtl you will find a MB8734 pll replace it with a MB8719 PLL. 46 postage estimate. Both of these radio`s work great. It was said th. Both modifications are approx. After all, if you lok at a schematic of a Cobra 148 GTL Clarifier, it will now look identical to the circuit you just made. thanks for your help,is the 148gtl the same as my 148 gtl dx,I`m not sure. Cobra 19 Ultra III RF Gain Mod. Cobra 142 Gtl Service Manualmade during the period. How to Use Your Cobra 148 NW ST. Cobra 148 GTL ST SSB CB Radio BRAND NEW Single Side Band. F1 2012 Misc 171. Sold - Dec. No pictures available. 2k resistor Change R94 to a 2. Pictures from Cobra / 148gtl-dx. A simple way to really increase the audio of a Cobra 148 GTL CB radio is to find R126 and jumper it. F1 2012 Skins 241. Re-tune L37 and L38 for maximum forward AM power. Buy it now. Save cb radio cobra 148 gtl to get email alerts and updates on your eBay Feed. Switch is rewired to TB. Cobraworxshopz. 1)Cut d-52 and r-148. MOD #2 ~ Driver and Final Transistor Replacement. 7 views per day, 19 days on eBay. 2 post • Page:1 of 1. Just look up any CB radio club or forum and ask people what they think about the Cobra 148 GTL. COBRA 148 GTL-DX. Due to parts swappers sold ss is no refunds or exchages. Adapts to various radio models, including HF radios. Tensão de entrada nominal de 13. SPEAKER WIRES. Responder Excluir. snakeradiocustoms. 7k resistor Tune L47,L48,L46,L45,L38 for max RF output AM Carrier Power VR10 Mod Meter VR7 AM Signal meter VR1 142GTL CUT TR32 Change R99 to a 2. All three radios use the same main board (EPT6900-10Z) Frequency Modification. Customs services and international tracking provided. This base station model was also very sought after, and in the same league (if not higher) as the Uniden President Washington. 77 Cobra 148 MOSFET Mod. opened-box COBRA 29 LTD DELUXE FULL FEATR CB SWR check X-Long 9' Mic NEWserial. Cortland Street, Chicago, Illinois 60635, USA in the late 1970's and early 1980's. The most I've ever seen on a 1969 final was on a Cobra 148F-GTL on sideband and it was an effort for it to make 22 watts. 775 and if you do the 10 khz shift mod there really arnt any gaps, most PB010 boarded radios will do the entire span with out any problems with the VCO locking a And power and recieve is still good, i will scan the info and send it via e-mail. Cobra 148 Gtl Modifications Cobra 148 Gtl Modifications. 99 Buy It Now 14d 13h. in the Detroit area its all f words and big radios rule the air mine aint stock and I dont run a amp so I cant fly with 1000 or more watts (no one runs under 250 watts). 46 postage estimate. Repinned for 4-pin Cobra mics. Frequency Counter Retro-Fit Modifications for Cobra 148 GTL-DX & Superstar 360 FM Transceivers. Search in titles only Search in HAM, CB & Radio Communications only. 40 canais AM, 40 LSB, 40 USB. Cobra CB Radio MODEL (s): All versions of the 148 GTL. dk and you like to share this with others, then upload the picture to mods. Replacing the RF driver MOSFET in a COBRA 200 GTL DX, common fault with these radios as the MOSFET's are static sensitive and can fail easily. They say to cut R131. They wash out 3 or 4 channels or more. These will not work to replace those switches list under Counter / Time. 30 shipping. Modification #1 only replaces the final. Mosfet Upgrade For Cobra 148/ cobra 2000. ACTION: We have switched to a new final, the 2SC2290. For further information call. 2) Change R124 to a 4. com aims to become the most comprehensive reference guide for ham radio equipment. Cobra 2000 GTL Alarm and Set replacement Dynalert Switch drawing numbers S412 and S414 Cobra part number 088-051-9-003. irf-520 mosfet final. 40 canais AM, 40 LSB, 40 USB. Are you looking for the Cobra 148 Gtl of 2021?. Estas modificaçoes deve ser realizadas com aparelhos para verificação de tençao espectro analizador e precissisos watimetros pois com um bom conhecimento no que esta fazendo. The only problem with a type accepted radio is the ability for the radio the cover more than 80 channels without broad-banding the radio. Factory Service Manual ( Covers 148GTL, 148GTL ST, 148 NW ST) (dated 1997 1998) Page 1 to 15. No pictures available. Manufacturer - Cobra Model - 148 GTL D. Now if you want to talk about a 1307 driven by a 1306, which will swap out to the 2000-GTL, 148 and 148F-GTL and the Grants. 95 Galaxy Channel Display Red DX33/44/77 LDD4061-11 Cobra 142F GTL MX-86HP. I'm going to have it tuned and peaked at cb shop. Lista de piezas / componentes para MOD: 1:. I think this website offer best rate on this thing. f/s cobra 148gtl. 55 shipping. This modification is for the latest production 148 GTL with 4pin microphone plug. Factory Diagrams Schematic Diagram (8. 1: Capacitor de cerâmica 68PF. Re: President Jackson or Cobra 148 GTL-DX mk2? Post by wa10 » 22 Jan 2011, 22:25 wheelbender, i do my own radio work, for me the jacko has the edge but not in all areas, i like the old a to e jacko's with decoupled chassis, not keen on the a to f models. Richard Camarata. FOR SALE! AKA FINE PRINT BEING OFFERED IN AS DESCRIBED CONDITION SEE ALL PHOTOS 284296471552 Cobra 148 MOSFET Mod. With enough power to jump multiple times, you can even be a hero for another driver. by Crusader » 31 Jan 2012, 15:36. All of the radial capacitors in this kit are rated at 25v or better, a higher rated component means that it will last. included the complete set of 29 SECRET CB Manuals to help you with this great hobby. Cobra makes sure that its improved 148 GTL CB radio will impress and satisfy loyal users of this brand. CB RADIO Mods. 1 and 2 will be in the break of your power VR. New Listing COBRA 148-GTL ECHO AND ROGER BEEP-WORKING. Cortland Street, Chicago, Illinois 60635, USA in the late 1970's and early 1980's. And YES, Copper will also carry the matching components EN-1250, EN-369DR, EN-369SN that are required for the different conversions for different radios. 110011 Signal/RF Robyn WV110, 250uA, for 14x35MM hole, curved face, body up: $9. Modification #1 only replaces the final. It's a great looking classic style CB radio with good sounding audio both sent and. Cobra 148-GTL AM and SSB mobile cb radio. Abaixo vejam o que disse anteriormente, ligue saída de L 20 ao capacitor próximo a G2 de 5nF, você poderá experimental de 470pF a 10nF, talvez precise de um pedaço de cabo coaxial fino de 50 OHMS, para fazer a ligação, observe que agora C 163 é. Detailed instructions are included. Cobra 148 gtl- dx " mki & mkii" pb- 879 & pb- 010 chassis. 148 GTL-DX Tune-Up and Information: 19. This radio is in fair cosmetic condition with normal wear over all, and all controls work as they should, except volume and RF gain controls are a little scratchy, and could use some contact cleaner. Below are 2 modifications for the 148 GTL. Cobra has made and still makes many popular radio models that range from the very small handheld models to larger mobile units with all the bells and whistles. 59 shipping. A must have, once installed enables easy future servicing and repair of your Transceiver without the need to unsolder the loud speaker wires. Sent from my iPhone using Tapatalk. Condition is "For parts or not working". Cobra 148 MOSFET Mod for Driver and Final. 9 by Merkava-----This mod contains 10 cars in original liveries from 1962 to 1969 New category,some physics and engine changes. 2k resistor. by cb4ever104 » 02 Nov 2012, 23:08. Modification #2 replaces both driver and final. A simple way to really increase the audio of a Cobra 148 GTL CB radio is to find R126 and jumper it. Cobra 148F GTL AM/SSB CB Radio Review. 7k ohm resister. Charges 148 GTL 120-Channels Base CB Radio, related circuit diagram. They are hard to find and very pricey. Time left 8h 15m left. DX Radio Shop, Clyde, New York. This modification kit contains all the parts you need to install a MOSFET in place of the original bipolar transistor in your Cobra 148. Cobra 2000 GTL Frequency Counter Fix. 405 MHz CB frequencies). Encontre Transistor 2sc1969 Cobra 148gtl E no MercadoLivre. C on the back of the radio. Re: Cobra 148 Gtl Dx mod info please. Transformers. 315mhz at 28. This is one mod. 75 shipping. Manufacturer - Cobra Model - 148 GTL D. Cobra (Dynascan) Secret CB Index By Model Documentation Project CBTricks. This modification is for the latest production 148 GTL with 4pin microphone plug. Re: Cobra 148 GTL-DX run lots of 148's back in the day a g4 friend of mine did a brilliant audio mod & filter mod always got brilliant audio/signal reports mind you did run a zetargi 300p & was always /mobile up a mountain,in the camper van. Super high amount of views. Esta instalação basica resultou em potencia de 7w AM e 17w SSB. Esta instalação basica resultou em potencia de 7w AM e 17w SSB. And, it does it cleanly!. We've featured here before a video from the same guy PU1PYZ and it's amazing what he can bring out of radios. PRESIDENT GRANT AND MADISON 1)Cut d-52 and r-148. Re: President Jackson or Cobra 148 GTL-DX mk2? Post by wa10 » 22 Jan 2011, 22:25 wheelbender, i do my own radio work, for me the jacko has the edge but not in all areas, i like the old a to e jacko's with decoupled chassis, not keen on the a to f models. Please select our "Services" for current pricing. Just look up any CB radio club or forum and ask people what they think about the Cobra 148 GTL. GTL Misc 17. COBRA 148 / 2000 / 2010 GTL UNIDEN GRANT XL UNITS ONLY Extended Frequency "Extra Channels" Kit. CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO. This is the manuals page for Cobra. dk and you like to share this with others, then upload the picture to mods. cobra 142 gtl cherry evaluation for a refresh and possible mod job. Save cobra 148 gtl to get e-mail alerts and updates on your eBay Feed. This radio is modifiable for extra channels - the one I had. Buy the selected items together. Find many great new & used options and get the best deals for Cobra 29 MOSFET Mod at the best online prices at eBay! Cobra CB Radios, Cobra 148, Cobra 148 Gtl. COBRA RADIOS & MODIFICATIONS - Angelfire Although the FCC limits CB radios to a standard 4 Watts of power, there is an exception. 405 MHz CB frequencies). Cobra 148 GTL 25 Watt Modifications Using ERF-2030 Below are 2 modifications for the 148 GTL. 148 NW ST manual 3. The following part has been approved as a replacement: Eleflow 2SC1969. PDF Download Fundamentals of RF and Microwave Transistor Amplifiers Read Full Ebook. The part causing your failure is just one of a half-dozen of them that we see cause.