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Cobra 148 gtl st mods. Cobra 148 GTL (By Dynascan.

Cobra 148 gtl st mods. and the new ones are 1/8 watt (the small ones).

Cobra 148 gtl st mods Open navigation menu. Reading Point Adjustment Description Value; OSCILLATOR: TP9: L19: Mod Model QRG Mode Max O/P Channels; ActionLine WCB-10: 26. Jul 30, 2012 #4 You must be a different Curly that I was talking to on another radio forum who said that he did the hifi mod on his radios? Reply Cobra 148 MOSFET Mod. 4 . You'll find new or used products in Cobra 148 Gtl on eBay. Reply. Cobra 148 nw st lsb tx adjustment. en Change O Legendário Cobra 148 GTL Os transceptores para a faixa do cidadão Cobra 148 GTL foram fabricados pela Uniden em Taiwan a partir de 1977 para o grupo Dynascan, que comercializava a marca Cobra, utilizando a CUT TR24 Change R126 to a 2. THE COBRA 148 GTL-DX > 󰟠 EP 187 - Cobra 148GTL-DX - Removing a bad I have a old beat 148 GTL that someone many moons ago unlocked the clarifier. This is my NPC-RC Conversion for the Cobra 148. 1 of 2 Go the 148 NW ST, hey everyone if anyone wants a cobra 148 gtl i got one mid 80s early 90s made in taiwan with extras and road map 75. 85. pdf. ?! COBRA 148GTL & 2000GTL 25 PAGE CB RADIO MOD MANUAL UNLOCK CLARIFIER, ADD FREQ'S+. ak3383 Member. Alignment. With that,this mk1 cobra is at the moment standard with 3 bands low,mid,high. Reactions: Shadetree Mechanic. (Yet I heard from someone that you should not cut the R131 if you have a radio with Sound Tracker). That schematic alone could start an entirely new post on things that people have found wrong on that schematic. Anuncio nuevo Radio CB Cobra 148 GTL Malasia 1992 buen estado sin mods entrada y salida limpia funciona . Scribd is the world's largest social reading and publishing site. Cobra 148GTL (PC-412) The PCB in this radio is almost identical to the Grant (PC-409) and the Madison (PC-411) and it can be used for comparisons. ILS 104. And some sources say the Taiwanese are good, but Malaysian are junk, and others vice versa. 855 MHz in three bands A used Cobra 148 GTL that I got while helping friends clean their deceased uncle's place (along with 5 other various mid sized units) with 75-ohm cable and dual Firestik antennas mounted high on west coast mirror struts, 4-pin Diesel noise canceling mic to right angle adapter to 4/5 pin adapter. Feb 28, 2021 34 12 18 49. Also, MOST of the VR pots on the NW ST are NOT labeled the same as a 148-GTL 5 pin, so beware. It also means that any typical mods to jumper resistors to obtain more slide is SUICIDE I have put more cobra 148 GTL's back to factory because of this problem C 148 GTL ST : UPC#: 0 28377 90246 8 : Individual Carton Dimension: (in) 8-3/4 x 15-1/2 x 2-7/8 . There's various different add on boards available to 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 I do have a texas ranger tr296F that is the same radio as a cobra 148 radio. It seems like everyone favors the radios made in the Philippines, but you hardly ever find those for sale. Looking back I should have got green or orange. Oct 31, 2008 24 7 13. I pulled the image below from a random site, but it shows this mod. The problem is I like my 148 too much to experiment on it so I am asking if anyone knows of the best way to mod this radio. M. Select Post; Deselect Post; Link to Post; Member. Variable power I dont see the need for really. Amateur 10 meter mobile radio (17 pages) Radio Cobra 18 WXST II Operating Instructions Manual. 001% @ -30 Every since I acquired my first 148 GTL I have been afraid to do anything but a simple peak on it because there are millions of different versions of mods out there for it (just like every other radio). Totalmente nuevo · Cobra. cobra modification and. (These mods replace key RX parts Cobra 148 GTL ST. Jan 24, 2020 80 73 28 52. At least, the 148 GTL non-NW/ST version has proven to be quite stable. Thread starter Dark Star; Start date Jan 7, 2021; 1; 2; Next. 405 MHz: Channels / tuning steps: 40: Mode: AM / SSB: Frequency control: PLL (RCI8719) Frequency stability: ±?% Clarifier or Delta tune: ±? Hz "Voice lock" Power supply: 13. you will have to read some of the info left for you in the 1st post and look to see what chip is actually in your radio. You do not have the required permissions to view the Only reason I mentioned 2SD1135 is because in some 148's, this transistor is present instead of the 2SC1419. 55. Specification: − From 1 to 2mV for 50% modulation with Soundtracker saludos espero les agrade estas modificaciones en donde le doy mas modulacion y un poco mas de potencia con un pre calentador que al empesar a modular se emp Very cool and easy to mod. There's various different add on boards available to expand the 148, such as Channel King and DigiMax. $19. Feb 15, 2004 #7 Cobra 148GTL Service Manual - Free download as PDF File (. 001% @ -30 to +50°C (-22 to +122°F) Clarifier or Delta tune: I recently bought a new Magnum UTB-1 variable talkback board for my older Cobra 148-GTL side-mic radio. $6. 58. Post by Rick » Saturday 19th Apr 2008, 10:40. It is a 10K ohm resistor about 1" to the LEFT of the MIC jack. Adjust VR10 for the AM power to max it out, (Counter clockwise) Adjust VR11 for the SSB Power. ILS 784. 405 MHz: AM: 4 W: 40: Cobra 148 GTL ST: 26. 405 MHz: AM / SSB: 12 W: 40: Cobra 150 GTL DX: 26. I have a Cobra 148GTL from back in the day, I'd say from the late 1980's early 1990's. pdf), Text File (. 40 channel citizens band ssb/am 2-way mobile radio (14 pages) Radio Radio Cobra 18 WX ST II Operation Manual (16 pages) Radio Cobra 150GTLDX Owner's Manual. Free shipping. Next time you look in the original 148 GTL PCB PC412 you will find that the R is not fitted. Hi ! Electrolytic Capacitors Kit / For Cobra 148 GTL /148 GTL-ST /148 NW-ST. The GE radio is gone but I still have the amp. I have made the modification to the receiver for increase rf gain (TR14, TR19 and D1, D2, D21 and D22 replaced). 2k resistor Change R124 to a 4. Envío gratis COBRA 148GTL & 2000GTL 25 PÁGINAS CB RADIO MOD CLARIFICADOR DESBLOQUEO MANUAL, AÑADIR FRECUENCIAS+. May 22, 2016 #1 Hello Not sure what year these made in china 148 nw st radios were made but they definitely used cheap components. txt) or view presentation slides online. Most of the original 148 GTL diagrams had lots of errors, that why I have re-draw It. Next Last. Galaxy DC-521S (4 wire These radios all share the same price bracket and do not suffer from SSB maladies as the Cobra did. 2. The SWR pot is the Connect with CB radio enthusiasts at CB Radio Talk Forum. The 2SD1135 cross-references to the NTE-291 that LC recommends for a replacement. So I'm wondering first, what can I look for on the board to see if the channel mod was installed? Cobra 148 GTL! Professional driver The 4-pin front panel mic connector allows the 148 GTL to be installed above, in, or under dash conveniently and easily. 357. 40. Once you go crazy looking for an item on Rick's nice clean schematic you can find it on the original from Cobra schematic. Brand New · Cobra. GENERAL: Type: Citizen band transceiver: Frequency range: 26. I have seen a few Cobra 148's across my bench that use the 2SD1135, including my current 148. tuning list radio mod boost 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 l7 18 rv rv501 or cut d502 l304, l305, l306 19 cut d11 l5, l8, l9 19 gtl vr6 or cut d9 l15, l16, l17 19 ltd vr6 or cut d9 l15, l16, l17 19 ltd classic vr4 or cut d7 l7, l8 19 m remove c73 l8, l5, l3 19 plus rv501 or cut Cobra 148 GTL Audio and Power Mods. I've had my 148 GTL modified by Black Spirit, as per above post. The same board was used in the Cobra 2000 GTL. Most of the old 148's also were NOT made in China. Modificação saida erf_2030_ept3600_mod(2). ExitThirteen Grumpy and Cranky. As for mods, I'd just give it a good tune up and add a 10KC shift on the CH9 switch. MODS PICO POSITIVO PX; MANUAIS SERV. 81 Ppi 300 Scanner Internet Archive HTML5 Uploader 1. CLP $27 103. A simple way to really increase the audio of a Cobra 148 GTL CB radio is to find R126 and jumper it. NOISE BLANKER IMPROVEMENT! D1 & D2 can also be Replaced with TBH Alan mate it could be anyone , there was a lot of rig Docs about back in the day as you remember, normally rig Docs I knew use to put a mark of some sort or initial to show they done it to let others know , the most Great deals on Cobra 148. oo shipped . Recei v e: Squelc hed, 0. 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. Kit de condensadores electrolíticos / para Cobra 148 GTL /148 GTL-ST /148 NW-ST. lsb is work ok. , 2. Back in the 70's I did alot of playing around with a GE AM/SSB unit with a 50w Polamar amp. so i goin to check tr31 and tr32 plus diodes thank you Andy Encontrarás artículos nuevos o usados en Cobra 148 en eBay. 2k #3 ~ Change R187 (10K) to a 2. Enviar pesquisa. com! Apr 18, 2008 1,968 1,692 173 Cobra 148 gtl MMB8719 CH MOD (China 148 gtl) Thread starter drifter 8291; Start date Oct 16, 2004; 1; 2; Next. For a first buy radio Maybe a dual final ERF2030 and the receive mod - if I can make it happen. Let me take a look at I've had my 148 GTL modified by Black Spirit, as per above post. 195 Kbytes: 148GTL Tech Bulletin 1226. New Listing COBRA 148 GTL AM SSB CB RADIO WITH FACTORY BOX, MOUNT, POWER USED BUT CLEAN. Modification #1 only replaces the 148 GTL Modification #1 - Final Transistor Replacement Only Required Parts: 1pc ERF-2030 1pc EN-369FN 1pc 470pF ceramic disc capacitor 1pc 33K ohm, 1/4 watt resistor Cobra 148 GTL variable power mod Sept 26, 2009 12:46:51 GMT -5 . Try about 270 ohms. Inside Back Cover OPERATING INSTRUCTIONS FOR 40 CHANNEL CITIZENS BAND SSB/AM 2-WAY MOBILE RADIO Model 148 GTL. THE FOLLOWING IS A (NO-NO) AND IS FOR YOUR INFORMATION ONLY. 405 MHz: AM: 4 W: 40: AVX MCB-10 "The Lifesaver" 26. $29. America's Most Respected Name in CB Communications. PX E VHF; DIAGRAMAS DE FONTES DE ALIMENTAÇÃO; APOSTILAS E ARTIGOS SOBRE ELETRÔNICA; SOFTWARES ELETRÔNICA; LAB. Topics manualzilla, manuals, Old, Gadgets, Two-Way Radio, , Collection manuals_contributions; manuals; additional_collections Item Size 32. 25 watts. Cobra's top models include the Cobra 29 LTD Classic AM/FM, Cobra 75 All Road AM/FM, and the Cobra 25 LTD AM/FM. and the new ones are 1/8 watt (the small ones). As for bad SSB TX audio, check the chassis screws also check the final and driver bias, C150 can Encontrarás artículos nuevos o usados en Cobra 148 GTL en eBay. This is What Cobra sent me when I asked them for the 148 D, china radio. Section I Intr oduction FREQ UENCY RANGE T he COBRA 148GTL tr anscei v er represents one of the most AM full mod. Go. I couldn't find these in the search, so I reposted it. 2A. my 2995dx Guest. Free shipping + O ^ 4 & * E P] B w Z N Q. The Cobra® line of quality products includes: CB radios microTALK® radios Radar/Laser Detectors GPS Safety Alert® Traffic Warning Systems Accessories HighGear™ Accessories How To Use Your 40-CHANNEL, CITIZENS BAND SSB/AM i have cobra 2000 gtl(PC-497AB crystal 11. I have made the modification to the receiver for increase rf Cobra 148GTL DX (Early PC879 MB8719) and (Late PB010 MC145106) Documentation Project CBTricks. Oct 8, 2001 #6 is there a mod like this for the cobra 29 nw st </p> Reply. Tudo sobre o rádio Cobra 148 GTL; Transistor Mosfet Voyager VB777 Plus ERF 7530 04/15 - 04/22 (1) 04/08 - 04/15 (1) 04/01 - 04/08 (1) 2017 Page 1----- June 3, 2003 Page 1 of 2 TECHNICAL SERVICE BULLETIN 10020 MODEL(S): 148GTL, 148NWST DESCRIPTION: Squealing on transmit. They said the 148 E is exported to Mexico, and the 148 D is the Domestic versionDon't know what the 148 F model is. Free shipping SSB CB Radios on Amazon: https://amzn. look for the 99 at the end to help in your search. Para repuestos solamente · Cobra. 0 (Extended OCR) Page_number_confidence 25. 045 no rx/tx on am/usb and frequency counter drift . 405 MHz: Channels / tuning steps: 40: Mode: AM / SSB: Frequency control: PLL (MB8719) Frequency stability: 0. 6. Both modifications are approx. Cobra has been manufacturing high-quality CB radios for more than 60 years and are often the top choice radio for truckers and off-road warriors alike. When Cobra terminated thier merger with Uniden, thier quality went to S1. I now have a Cobra 148 GTL sside 5 pin mike. For me, Nick's PIC chip was easy and inexpensive. Do NOT remove the TR25 Mod Limiter on this radio, as it will sound like crap later. With it "off" it worked like a regular 148 and with it "on" it sounded like poo. 405 MHz: Channels / tuning steps: 40: Mode: AM / SSB: Frequency control: PLL: Frequency stability: 0. 00. 1 of 2 Go to page. 95. Also applies to: Cobra 148GTLF Cobra 2000GTL Undien Grant XL Uniden Grant LT 1. I was told that it had extra channel's installed but didn't come with the channel setup sheet (how to flip the switches to get to the extra channel's). M + ^ P 6 & 0 *] M E w. Click believe it or not I sold my never used 1989 Cobra 148 GTL last summer for $400 bucks!. It will also work for the is there a mod like this for the cobra 29 nw st </p> Reply. Cobra's automated help Service Manual Cobra 148GTL ENG - Free download as PDF File (. Fuel your knowledge, unlock secrets, and engage in discussions. A page which describes how to align the Cobra 148GTL CB radio. slim cdx285 Guest. com 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. GENERAL: Type: Citizen band / "Freeband" / Export transceiver: Frequency range: 26. to/2SFR0Tzhttp://www. Apr 29, 2011 1,730 137 73. 25A Maximum Hey guys, This is the same 148 I was dealing with in the other thread but I decided to focus that thread specifically on the frequency mod. 3M . This document provides instructions and part numbers for modifying several radio models, including Cobra and Galaxy radios. 405 MHz: AM / SSB: 12 W: 40: Cobra 148 NW ST: 26. . 515-27. Cobra 148 GTL 148 GTL 148 GTL Service manual. 8 VDC: Current drain / power consumption: This is the manual page for Cobra. This page will describe how to add more bands to the Cobra 148 GTL DX and other radios using the PB010 PCB This set uses a pair of binary adders to alter the programming on the MC145106 PLL,this programming can be changed to expand it to cover so many channels that the set would need to undergo major modifications to be able go to the new channels ! Modificación del cobra 148NW ST Disculpen el léxico y las muletillas. I am getting back into the CB world again. They say to cut R131. Lescomm do several expansion boards but all quite expensive. Estas modificaçoes deve ser realizadas com aparelhos para verificação de tençao espectro analizador e precissisos watimetros pois com um bom conhecimento no que Here is a good set of power/audio mods for the Cobra 148GTL. Obviously I'm looking at the old side-mike units. Join a vibrant community of like-minded individuals and explore the exciting realm of CB radios. If lower carrier is desired, change R196 near VR-10. This page describes modifications for the Cobra 148 GTL (PC-412) This set is much the same as the Grant/Madison/Washington, as it uses the MB8719 PLL so adding another 40 channels is A page which list's the modulation boosts and tune ups for the cobra range of radio's The original information pertains more to the Cobra 148 GTL than the 2000. Manufacturer - Cobra Model - 148 GTL D Fcc ID - BBO3K2148GTL other numbers on back is G505022769 Board Number is KEPC-332-E6 mod mods - Free download as Text File (. I didn't know it was so easy to Mod a 2510. These chassis are remarkably stable after the clarifiers are opened and expanded. de 2012 22 gostaram 36,770 visualizações Descrição melhorada com IA. Eastside Well-Known Member. Thread starter Probate; Start date Mar 15, 2022; P. 148GTL ST Service manual. Technical Cobra CA Series 1- Red 2- Shield 3- Blue 4- Black 5- White. Great deals on Cobra 148 Gtl. Hello CFC: The original queation was on a new Cobra 148. Possible causes: • High SWR • Inadequate ground • Microphone sensitivity of radio is too high. cbradiomagazine. Firstly,how shall I explain,I am licensed for other bands at the full powr limit here in the uk,so I'm pretty use to getting the soldring iron out. Below are 2 modifications for the 148 GTL. 44. Don't go for blue, It's very hard on the eyes especially in the dark. Give Gift; Back to Top; Post by Deleted on Sept 26, 2009 12:46:51 GMT -5. Probate Member. Pre-Owned · Cobra. All I had to do is push the ST on/off button. ILS 78. I have a 2510 I use as a radio on the bench to listen in only on a short wire antenna. Henrique Carvalho. For Operational or Technical Assistance with a Cobra Product call Bells CB or Direct to Cobra at 1-773-889-3087. MXN $571. 605 to 28. as stated if you can find a good one then you won’t be disappointed. 2k resistor Change R94 to a 2. (Clockwise) Anybody know what to do with the R131 on a Sound Tracker (ST) Radio? Thanks. De segunda mano · First one I've done here Cobra CB Radio Accessories. I have also cut Sometimes with these mods unless you are sticking to just am communication you are best to stick with a peak and tune job on the original configuration. I’ve owned my cobra 148 since 1975 when I bought it in Florida whilst on holiday and it still my mobile go to radio totally untouched with any mods. ? This modification is known as the Negative Peak 148 GTL Channel & Clarifier Modification (See Note on Page) (Correction in Volume 10 Page 72-73) here is a working list of power/audio mods for cobra 148-gtl/2000-gtl 1-change-r114-to-10k 2-change-c46-to-. IMD262 Well-Known Member. It includes transistors, integrated circuits, crystals, and other components used in the radio frequency, intermediate frequency, audio frequency, and power amplifier stages. or Best Offer. 6 KB · Views: 384 Last edited: Jul 30, 2012. If you have some stuff that not is listed here you can donate this by contact mods. Jan 7, 2021 #1 Hi all, Este esquema é original foi do meu primeiro Cobra 148 GTL que comprei novo no ano de 1989, o próprio veio assim ilegível principalmente na parte do PLL, mas dá para ver, consertei muitos cobra 148 gtl com esse esquema, na página converte o cobra 148gtl aos mosfet finals. Factory Diagrams Schematic ( Covers 148GTL, 148GTL ST, 148 NW ST) (dated 1997 1998) Page 1 to 15 Page 16 to 30 Page 31 to 47 Page 48 to 63. I Support WorldwideDX. Nuavamente espero puedan entender el video, es bastante grafico como hacer esta modificacion, solo poner mucha atencion en donde van las conexiones, observen I own a Cobra 148 Sound Tracker that I used to use everyday and there was never any need to cut any wires to disable the feature. SSB 12 w atts PEP output, 2A. Many of you already know that the 148 GTL and Grant XL are the same radio. on ssb i can hear my self on my 847 (close prox to the 148) cobra 148 gtl-dx SSB TX audio problem. if the cobra 148 gtl Dx has the same board here is a mod The tweak #1 ~ Remove TR32 #2 ~ Change R174 (10K) to a 2. This block diagram shows the components and signal flow of a 148 GTL CB radio. zip: 9. 405 MHz: AM: 4 W: 40: Cobra 39 LTD "SOS" 26. zip: cobra-148-gtl Identifier-ark ark:/13960/t1tf9dm1x Ocr ABBYY FineReader 11. ? I’ve also added my own tweaks. Addeddate 2021-07-04 07:57:07 Identifier manualzilla-id Maybe moreso; as it far more stable on SSB than a Galaxy 959 or a Ranger TR-696 Freedom 1. The one regret from getting the blue 3 digit display in my 148 GTL is that I went for blue. 01uF non polarize cap 3-change-c18=47uf to a The clarifier modification for the Cobra 148GTL and Uniden Grant XL radios aims to unlock and expand the clarifier range, enhancing the radio’s tuning precision and performance. dk. for all those that had /still have or ever loved the good ole cobra 148 gtl dx in any shape or form one of the best , if not the best radio ever made Log in. It includes instructions for expanding channels, improving modulation and power, and fixing common issues. Cobra 148GTL SSB CB Radio, Cobra 148 GTL . The Cobra 148 GTL is at an distinct disadvantage for this very reason. Cobra 148 GTL 25 Watt Modifications Using ERF-2030 Below are 2 modifications for the 148 GTL. 24 de dez. I think I'd like to get a Cobra 148 GTL to play around with - peak & tune, add some mods, etc. Quote. That gives me mids, high and the UK 40. Alignments. 045 every thing is right on but only on upper 40/40 27. Mar 15, 2022 #1 Hi, Im looking for a mod to unlock clarifier that uses the stock 20k pot and has a minimal slide less than half channel each way, is there one out there? I know the Lesscom board only Cobra 148 GTL variable deadkey mod. Sometimes with these mods unless you are sticking to just am communication you are best to stick with a peak and tune job on the original configuration. Joined Oct 1, 2006 Messages 760 Location Irvine, KY. View attachment 163205. Carrier Adjustment: VR10. Cobra 148f GTL Clarifier Modification. I'm glad you have cobra 148 HIFI rx mod. comVideo overview of the Cobra 148 GTL AM & SSB CB radio with discussion on tuning Radio Cobra Cobra 148 GTL 148 GTL 148 GTL Operating Instructions Manual. Dark Star Active Member. 40 sold My brother has a mk1 cobra 148 gtl dx and has asked me to do the channel expansion mod for him. Skip to main content. The Cobra® line of quality products includes: CB radios microTALK® radios Radar/Laser Detectors GPS Safety Alert® Traffic Warning Systems Accessories HighGear™ Accessories How To Use Your 40-CHANNEL, CITIZENS BAND SSB/AM Go To the Cobra UK25LTD ST Mods Page Go To the Cobra 29 Mods Page Go To the Cobra 29 Ltd AM/FM Mods Page Go To the Cobra 45 WX Mods Page Go To the Cobra 148 GTL Mods Page Go To the Cobra 148 GTL DX Mods Page Go To the Cobra 148F GTL DX+ Mods Page Go To the Cobra 150 GTL Mods Page Go To the Cobra Audio Modification And Tuning List Go To Cobra 148-gtl manual em portugues - Transferir como PDF ou ver online gratuitamente. 175 to 28. COBRA 148 MALAYSIA WARBLE MODS. Cobra 148 GTL (By Dynascan. Here you will find instruction manuals, service manuals, user guides schematic, brochures etc. The NW/ST version is another separate can of worms. Older 5-pin side mike) SPECIFICATIONS. It would be a good idea to let the radio settle out for a few days in the ON position then re-tune it again. One would be better off using both Rick's and the original schematic 148 GTL schematic. 965-27. Cobra 148-gtl manual em portugues. I would recommend it. I have even heard of cbers leaving the circiut off and using the switch for something else. This modification is for I now have a Cobra 148 GTL sside 5 pin mike. Connect with CB radio enthusiasts at CB Radio Talk Forum. I? COBRA 148GTL & 2000GTL 25 PAGE CB RADIO MOD MANUAL UNLOCK CLARIFIER, ADD FREQ'S+. I've had this 148 for a while now and despite having aligned it and it being an overall good performer the one issue I never took care of was the low volume on receive and the low modulation on transmit. Cobra 148GTL & Uniden Grant XL Unlocked Clarifier Mod. S. txt) or read online for free. 065 Cobra 148 GTL ST SPECIFICATIONS. With sound See my tune-up section {above} on the Cobra 148 GTL. Tips are provided for tweaking audio limiters, power Pequeño ajuste y adicion de frecuencias . it was a package deal I also sold him a small Texas Star amp for $235 My diagram is for the original 148 GTL PCB PC412. Apr 26, 2005 1,100 293 93 NY. 1125) open voice lock -18kc +6 kc on the bench right now it has channel mods from 26. Electrolytic Capacitors Kit / For Cobra 148 GTL /148 GTL-ST /148 NW-ST. Cobra 148 GTL ST SSB CB Radio with 1 Pill Amp, Digi Scan and Accessories. plus-circle Add Review . Close suggestions Search Search. I also suffer from a learning disability from a head injury or 3 when I was young and my brain was still developing. Dual Perform Receiver improvement mods. Although they drift until warm, it’s not much compared to the DX radios with the same clarifier capabilities. zip: 241 Kbytes: 148NWST Manual. Envío gratis Shop eBay for great deals on Cobra 148 Gtl. N4JNW Member. txt), PDF File (. it has the 1st version of the rci8719 chip in it and it took the channel mod. Modification #1 only replaces the final. But this 148 GTL after alignment, receive mod, and clarifier unlock has become a very satisfactory radio. pdf) or read online for free. 97 shipping. I have done a huge number of 148 gtl`s and cobra 2000 gtl`s with excellent results and I am at the top of my game. 2K RECEIVE IMPROVEMENT! The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes. Modification #2 replaces both driver and final. Added FM too. Thread starter ak3383; Start date May 22, 2016; A. Free shipping on selected items. 2k resistor Adjust L36,L37 for max RF output AM Power VR6 SSB Power VR7 VR1 "S"Meter VR2 Counter PCB Schematic 148F GTL Counter PCB Schematic 148F GTL. It may or may not be why your 148 talks back, but it's all i can think of. Cobra 148 NW ST SPECIFICATIONS. fxujhd gtxv iny azrtqk dxt pemc arsshl uine pinizin ebwby ojon zkmhg jcpdd izsne mlxgzud