1 d

Cobra 148 gtl swing mod?

Cobra 148 gtl swing mod?

Symptoms: No tx in am mode ,ssb ok in tx and receive. Liability of damages to any equipment is the sole responsibility of the user! Downloading, viewing, or using any information provided on these pages automatically accepts the user to the terms of this agreement! Modifications are provided for information purposes only! Cobra 148 GTL CB Automatic Noise Limiter (ANL) Item description from the seller. by zephyr » 28 Oct 2012, 16:47. There’s a lot to be optimistic about in the Industrial Goods sector as 2 analysts just weighed in on Chart Industries (GTLS – Research Rep. The Cobra 148 GTL CB radio has twelve watts power SSB RF output, which increases the SSB range. GENERAL: Type: Citizen band / "Freeband" / Export transceiver: Frequency range:. The beep is switched on the anl, You can see the. Manuals for Cobra. by mike262 » Thursday 31st Dec 2009, 19:41. Let the radio "sit" for about 2 hours, with the clarifier knob set at "12-oclock" to get used to the new modification. A place to discuss the Cobra 148GTL DX+ rig. Dec 18, 2008 · Easy mod for a few more watts without doing the NPC-RC. Cobra … This is the mod that compresses the negative modulation peaks and allows the average power to increase based on the modulation percentage (aka the NPC … Wrangler YJ (Model years 1987–1996) YJ General Discussion. Mood changes are a com. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. It represents one of the giants in the industry taking the plunge back into the SSB world. ? I’ve also added my own tweaks. Yes I run one of the new 148s made in china and it does a wonderful job, no drifting. I just bought a new COBRA 148 GTL & need help geting blue led channel display W/ blue plastic Lens cover & blue meter light. Cobra 148GTLF Cobra 2000GTL Undien Grant XL Uniden Grant LT 1. I've also added my own tweaks. It has been since the late 1980s that I. Jul 16, 2020 Couple of things. I've already peaked the radio to 5W swinging 30W, but I am unable to find information on a swing/variable power modification. Some coronaviruses cause sever. This doesn't fix anything, except keeping that regulator from failing. Thread starter Sammitch; Start date Mar 19, 2017; S Oct 20, 2014 31 1 18 76 If the meter will swing all the way over on other functions, then I would start checking all solder joints, and traces. This radio has a dual conversion receiver in it. COBRA, which stands for the Consolidated Omnibus Budget Reconciliation Act, provides temporary insurance coverage. Early/Late versions; Factory Service Manual-corrected: in April '83 and they were returned within a. The radio's real performance is its receiver. Roughly 32 channels in each direction. The "F" model has a 5 digit counter. Front Microphone Connector Allows convenient installation to be in dash or under dash. Cobra 142 Cobra 2000 4,107 Aug 7, 2010 the PLL mods on a 142 will NOT line up with those of a 148gtl. 385 LSB Cobra 200 modded w/2SC2879 Finals Nov 4, 2005 These are above and beyond the conversion and talkback modification. 500Mhz (Ham 10 Meter) operation in Cobra/Uniden CB's that originally had 11. I prefer these as they run much cooler than the 2030. Nov 26, 2012 · If using pin 13 for channels 41-44 the channels come up on these channels 33-41 34-42 35-43 36-44. The first thing I noticed is how well the old Cobra’s reduce engine noise and static with the NB/ANL switch. Well I tried it today and it works It will have feedback if you run a powermic and it turned up high or you get too close to the radio. Nov 26, 2012 · If using pin 13 for channels 41-44 the channels come up on these channels 33-41 34-42 35-43 36-44. This means the forward voltage drop of a single KB262 will be higher than a single 1N4148. COBRA 148 GTL CHANNEL MOD. I have found by study that this is the most direct way (while best sounding) of smashing ST more less. Mar 9, 2006 4,131 Aug 4, 2010 lowering the deadkey using the AM POWER adjustment (VR10) should not affect the modulation percentage. In fact the are signs that this radio had already been. First I need to mention that I am up for some technical work myself here if need be and not shy of the odd bit of soldering (carefully). 445 (and repeats) I had this beat up Cobra 148gtl laying around with a bad channel display, some bent knobs, and some stripped screws, so I decided to give it a quick n dirty. Jan 18, 2011 You were correct R44 is tied to RX 8V, and that is where I tied it into. Internal fit - undetectable when radio is turned off605 to 28. Support Phone: 1-773-889-3087. The one in my car DKs at 2 watts and modulates to about 22 watts. Below are 2 modifications for the 148 GTL. Wire a switch from Pin 10 to ground and another from pin 11 to pin 12. 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 The radio has some sort of swing kit in it but I don't know where to look on the board to find it. VFO for Cobra 148GTL mod. L17, L16, and L13 for AM power output. This is due to the circuit being tuned to produce rated power at about half the output impedance as say a cobra 29. 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 the Comanche Warrior Freq. The COBRA 148GTL has a vastly superior receiver which includes an RF gain control and noise blanker circuitry effective in both AM and SSB modes. Sub PCBs: Additional info: FCC ID: BB03K2 148GTL. 3258MHz in them "You really just need 28500 for voice, the lower part of the band is CW. Will changing the value of R236 8200 ohm give me more adjustment? Probably one of Andys little graphics would help. 205 in 5 Khz steps with no gaps or skips. I set the radio deadkey about 2 watts and let it swing. Jun 10, 2008 · 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 The meter works with recieve, but doesnt work with key up Ill list the radio model again with all information that i can come up with Manufacturer - Cobra Model - 148 GTL D Apr 14, 2002 · Here is a good set of power/audio mods for the Cobra 148GTL. D73, D79, D46, D45 were also replaced. Atenção. This mod came from a forum I am a moderator on: (You need to change the crystal at location X3) Quote" 11060MHz to 28. Modifications Cobra Modification And Tuning List 148 GTL-DX (copy ver. by zephyr » 28 Oct 2012, 16:47. 5) Locate the Orange wire from the clarifier control and follow it to where it connects to 6) Desolder it from the board and resolder to pin 3 on IC-4. SSB CB Radio comparison, Inside and out. Our local shop called them soundcrappers And the other you can mess around with based on what Andy suggests for mods. 11 Meter AM/SSB CB Radio. Oct 8, 2001 This is my NPC-RC Conversion for the Cobra 148. it will burn the pot out from the RF going through it. For Operational or Technical Assistance with a Cobra Product call Bells CB or Direct to Cobra at 1-773-889-3087. And - of course - if you haven't done these mods before; then send it to a shop to get it. 11 Meter AM/SSB CB Radio. Jun 16, 2024; Replies 7 Views 315 sp5it. Extra channel modification 3 switch version for Cobra 148GTL mod submission for cobra ssb 8719pll chassis (cobra 148gtl) 12 Mar 2007. I've heard these radios can't be tuned to offer a lot of ummpph barefootany truth to that?. The 148 / Grant xl are exellent radio's, all they need is a corect tune and alignment with no clipping of any limiters. Cobra 142 Cobra 2000 4,107 Aug 7, 2010 the PLL mods on a 142 will NOT line up with those of a 148gtl. Oct 8, 2008 555 30 38 Colorado Springs, CO Service_Manual_Cobra_148GTL_ENG 2. to/3yzKboZCobra 148 NW GT CB Radio Peak and TuneMy A. Jan 10, 2014 · Catskill mountains N Southern California native #7. Just solder in and go. I came across this video and have searched and searched for how to put in a 3 digit channel display like the one in this video and cant find anything :headbang YouTube - Cobra 148 GTL CB Radio Does anybody know where to find any information. Unlocking a clarifier on a radio with no built in frequency counter is a bad idea. tmsa cary Mar 30, 2005 · The 148 GTL can also be adjusted by unlocking the 8719 PPL and also to allow the clarifier to be converted to a slider, again witha slide of about 1 khz up and a down slide of about 5 khz. Apr 5, 2005 · Aug 12, 2005 new 148 gtl china made. Animal Light User Posts: 125 Joined: Wednesday 17th Jan 2007, 20:13. Volt Final and cut R131, Thats all that ever needs to be done to a 148/Grant! I usually get 20+ watts out on AM without the NPC crap! The 148/Grant swings way better than a cobra 25 or 29! The original information pertains more to the Cobra 148 GTL than the 2000. remove the VR adjustment for Am power. This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. A neat trick is to replace your single mic gain control knob with a dual--just. If one leg of R128 is lifted I get 173 in TX. This page will describe how to add more bands to the Cobra 148 GTL DX and other radios using the PB010 PCB. weak modulation is a different problem than no modulation. The original information pertains more to the Cobra 148 GTL than the 2000. It keys 4 watts and swings to about 10 or 12 after the mods. Sirius Sat Radio Antenna Hack / Mod; Radio Shack HTX-242 COS / COR Mod; XM Radio Mod / Hack - Pioneer GEX-FM903XM; Selectone ST-907 Programmer Board; Cobra 148 GTL Audio and Power Mods. 5k resistor to middle leg of tr24. When using pin 13 to get channels 41-44 no bridge resistor is required. Front Microphone Connector Allows convenient installation to be in dash or under dash. mylehigh hanson Cobra 148 GTL-F Problem No audio on TX, Good Dead Key no swing PA is just static Replaced Audio Chip - No change Picked up a 148 GTL-F, bought a new bezel and faceplate, worked great so only did the channel mod and talkback. So what's it like, the good, the bad revealed…. 30DayWeather Long Range Weather Forecasts predict ideal conditions for a storm. Kit comes with easy to follow text instructions, and color coded wiring picture diagram00 EACH 148-XL Extra Channels Kit Nov 24, 2005 · Nov 4, 2005 These are above and beyond the conversion and talkback modification. by sonoma » Saturday, 09 December 2017, 15:41 PM. My question is did the. I bought this radio with a couple of Cobra 25's and 29's a number of years ago. If using pin 13 for channels 41-44 the channels come up on these channels 33-41 34-42 35-43 36-44. I would recommend it. #1=ok i have found 2 different suggestion for the 148 gtl audio mod 1 says to cut the trace of the middle leg of tr-24 and add a 1k resistor am 2 watts dead key swing bird average to 5 1/2. It seems like everyone favors the radios made in the Philippines, but you hardly ever find those for sale. The SWR pot is the same value as the AM power pot. Worked like a charm. Ranger RG66, RG99,Cobra 148F GTL DX+, Texas Ranger, TR6900, TR6900 Jumbo, TR6900F and others) Cobra 200GTL. Modifications to CB Radio equipment - USE CAUTION AND YOUR BEST JUDGMENT. The 148/2000 has a carrier control trimpot. Move the jumper 4)Remove the frequency counter module from the radio. pa mn courts With no mods that radio will only do about 18W possible 20W clean Reply Jun 24, 2020 788 982 103 Southern Nevada. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners I'm taking a swing at Topgolf Callaway Brands (MODG) from the rough, writes technical analyst Ed Ponsi, who says the shares of the golf-focused recreation company are approachi. It is a 10K ohm resistor about 1" to the LEFT of the MIC jack. My site was lost years ago, along with a plethora of inf. Cobra 148 Gtl. ) RV12: RV11, (ssb)RV6, RV3: 1000 GTL: VR6 or CUT D16: L17, L16, L13, (ssb) 2000 GTL: CUT R131: Welcome back everyone! I hope that you all had a nice summer, and are ready to get your swing dancing on! Tonight, we'll be starting with the basics. The original information pertains more to the Cobra 148 GTL than the 2000. The radio had many issues when it came into the shop. Lessons are from 7-8PM and open dancing is 8-9PM,. Jul 17, 2009 VR 6 for modulation adjustment - or cut D16 to disable limiter. I did the super modulation swing mod (shown on this site in the How-To section) on all of the radios including this one The Cobra 21 GTL is a very simple radio but it has all the right features. Indices Commodities Currencies Stocks FLEXPATH INDEX MOD 2045 FUND CL 0TS- Performance charts including intraday, historical charts and prices and keydata. I think this may be a Frankenstein radio Re-tune coils L37 and L38 for maximum forward swing on AM mode. Indices Commodities Currencies Stocks FLEXPATH INDEX MOD 2045 FUND CL 0TS- Performance charts including intraday, historical charts and prices and keydata. Jan 24, 2020 · I bought this nice little 21gtl for $10 this weekend. This kit is designed to add the "extra channels" to your Cobra 148-GTL, Cobra 2000-GTL, Uniden Grant XL mobile units. The new Cobra 148 will cost more than a refurbed 959. In this page you find schematic, users and instructions manuals, service manuals, technical supplement, leaf leads and other good stuff. Closing them both brings about the fault in question on this radio. For Operational or Technical Assistance with a Cobra Product call Bells CB or Direct to Cobra at 1-773-889-3087. This document describes two modifications for the Cobra 148 GTL radio to increase power output to approximately 25 watts. Easy mod for a few more watts without doing the NPC-RC. Has the open clairifier mod, so voicelock adjusts both transmit and receive frequency. The Cobra 148 GTL is a CB radio legend due to its reliability and long-range SSB capabilities.

Post Opinion