Cobra 2000 gtl mods. com/MikesRadioRepair or through PayPal at paypal.
Cobra 2000 gtl mods. It will work on any SSB radio.
Cobra 2000 gtl mods Select Cobra Power Mods-----2000 GTL,2010 Cut R-131 Tune L47, L48, L46, L45 and L38 for max RF output AM Carrier Power VR10 Jan 18, 2014 · ok what am i doing wrong . & WHEN you find a mod you like, you may feel it is acceptable to be placed in the 2000, on a switch. Galaxy DC-521S (4 wire) 1- Yellow 2- N/C 3- Black 4- Shield 5- Red. I started borrowing parts out of it to fix a cobra 2000 gtl, with the intention of putting them back now it’s a parts radio. in fact the best radio i ever heard was a guy up on the free bands on ssb with a uniden washington it would put all those ham units to shame and he was using a plus 3 turner. The AMC is TR-26. </p><p>Only work on your part, use your old label or buy new decals from Gamma Ray Graphics or other vendors. 140 & 142 GTL Channel Expansion & Clarifier Modification (See Note on Page) (Correction in Volume 5 Page 17) Feb 24, 2021 · In the video’s below are some of the best examples of fully restored Cobra 2000’s which will have your eyes popping out of your noggin. It looks to Feb 15, 2016 · Cobra 148 GTL with a 8719 and 11,1125 crystal 26. See photos and details of the modifications and testing process. 3258 main crystal in it. Change R114 to a 10K, and C46 to a . all channel mods must be removed and components returned to original condition. I have barely touched a radio since I leftmy lab in 2000 but with the skip cycle coming in again I am back into again. Detailed instructions are included. Cobra 2000GTL Upgrade Your Old Meters To NEW Style Ranger Meters Apr 12, 2008 · Howdy folks, I recently got a good shape Cobra 2000 GTL in on a trade, but it has 2 problems. (and repeats) Sep 24, 2009 · There is no Divide by"N" function on the MB 8719 not made by Fujitsu. Dec 11, 2009 · Cobra 2000 GTL /1000 NEW MOD/SWR METERS. Chnl. BellsCB. Dec 18, 2018 55 25 28 40. comthreads854-Alittle-About-My-HiFi-Setup, why is 148 gtl cb radio for hi fi port injection mod, cobra 2000 gtl cb radio direct inject, audio rack ssb radio systems, hifi audio cobra 148 gtl schematic Jul 23, 2011 · Cobra 148 GTL with a 8719 and 11,1125 crystal 26. I'm running the OE 2sc1969 final, have done the NPC mod, and full alignment from the syn out. 2 monolithic cap. Getting started, installations, operation etc. remove the VR adjustment for Am power. Crambone Well-Known Member. 045 , Need the chart I can fill in the blanks slide 2ck up and 12 kc down Saturday at 11:02 PM @ BJ radionut : Explore a wide range of our Cobra 2000 Gtl selection. Oct 4, 2019 #1 Cobra 1000 GTL (By Dynascan) SPECIFICATIONS. The orig 18VAC from the transformer inputs to the Bridge Rectifier Block and exits as DC and is then regulated down to 13. If lower carrier is desired, change R196 near VR-10. 815 to 26. C $20. $14. 110 VAC USA Power Transformer to 240 VAC System Upgrade. 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. 2 monolithic, this will widen up the audio on AM. AS far as the mic pre-amp board, if you are going to be running hifi through the mic jack then it would need to be modified to pass more lows. 25 watts. com Cobra 2000 GTL Meter (Mod or RF PWR)- Generic - White needle. The mod is basically the same for these radio EXCEPT that there is no PC trace going to pin#10 on this PLL. Dec 3, 2016 · Re: Cobra 148 GTL DX MK1 - Mic Audio Mod Post by Phuture » 17 Nov 2021, 06:21 I got a couple more audio checks last night and one person was a station very local to me, so it is easy for him to pick up any differences following a change to the Mylar caps. 175 to 28. 045 , Need the chart I can fill in the blanks slide 2ck up and 12 kc down Saturday at 11:02 PM @ BJ radionut : Nov 30, 2008 · That said I've been looking for the correct mod to tie the TX and RX together for SSB use, which is mostly where I talk. Benefits charity. $8. The Loop crystal is the same in both radios it is the 11. go look for a used cobra 148 or grant xl & experiment with that. 045 , Need the chart I can fill in the blanks slide 2ck up and 12 kc down Saturday at 11:02 PM @ BJ radionut : Mar 23, 2008 · A Connex frequency counter will not work. I would play around with different mics first. On the Cobra 2000-GTL you will find a MB-8734 pll replace it with a MB-8719 PLL. put your mods on switches whenever possible. The board is PC-497AB. COBRA 2000GTL AM/SSB 40CH CB*L👀K FULL DETAILED I thought since we seem to have too many of these here, time to power up and test and ensure its going well. com/MikesRadioRepair Many of you already know that the 148 GTL and Grant XL are the same radio. Stations that normally hit me S-9 barely move the meter. Apr 17, 2013 · motormouth maul mods, http:www. I included a few pics of what I see inside. These chassis are remarkably stable after the clarifiers are opened and expanded. Jan 4, 2017 · just got a cobra 2000 gtl omg what have they done This is the place to discuss any general CB radio related topics. Reply. 3: Turbo 3 echo board. RADIO MODIFICATIONS Frequency Conversion Channel Cobra CA Series 1- Shield & Black 2- Red 3- White 4- Blue . Cobra 2000 MOSFET Mod. GENERAL: Type: Modifications and fixes: Reviews: Options / Accessories: CA-2000 Apr 9, 2004 · I have a diagram for a switch mod (6 position dual rotary- DP6P) that gives full channel coverage (with the 8719 swapped) and recovers some skips from 26. Cobra 2000GTL On/Off Push Button Power Switch, New PB Knob and Bracket. It sounded great but they guy needed a new audio amp IC every year or so. Buy It Now +$6. 50 EACH The Export Series M-80 Modulator kit The Cobra radios also have “continuous” coverage of each band by not skipping the “A” channels between 3, 7, 11, 15, and 19, as other radios do. Click on the picture and a description of the radio will come up. Click on the Cobra 142 GTL, it will take you to a picture of the radio with the counter. 3. 15. Modulation/SWR meter won't fall back to 0. COBRA 148 / 2000 / 2010 GTL UNIDEN GRANT XL UNITS ONLY Extended Frequency "Extra Channels" Kit. </p><p>There is no implied warranty, guarantee, no refunds, no returns but will do our best Apr 29, 2021 · I recently acquired a Cobra 2000 GTL in rather rough condition. 7 PLUS: VR4 or CUT D8: L11, L12, L13: 10 PLUS: VR4 or CUT D8 COBRA 2000 GTL MODULATION: VR12 or Cut R131 AM POWER: VR10 SSB Feb 22, 2016 · Cobra 148 GTL with a 8719 and 11,1125 crystal 26. It will work on any SSB radio. Sweetness personified! Locals alw Jul 9, 2009 · Cobra 148 GTL with a 8719 and 11,1125 crystal 26. Has to be, since the primitive chip technology inside the frequency counter/clock module pulls nearly a third of the radio's total power requirements. I have now replaced this USA 110V AC Input system with new 240VAC input fixed cord to a Laptop 16 VDC 6. All you have to do is use one of the switches (the tone switch is best) and re-wire it so that it controls pin 10 of the PLL, one side of the tone switch currently goes to earth (should be the common pin), the other side goes to C77 which is shunted across the audio path to cut off the high frequencies to reduce the tone Jan 22, 2019 · COBRA 2000 GTL channel mod wire off? Thread starter Crambone; Start date Oct 4, 2019; C. You can get the Fujitsu PLL made in Japan out of a Philippine Cobra radio 148 GTL or the Cobra 142 GTL. Cobra 2000 GTL Frequency Counter Fix. A green theme with the wrap and display. Go to my website and click on the radio list. Feb 16, 2007 · of course there are other mods, such as replacing TR14 with a 2SC2999, replacing TR19 with the 2SC1674 you just removed from TR14's spot, replacing diodes D1,2,21,22, with 1N6263's, or NTE583's. Carrier Adjustment: VR10. Dec 7, 2008 · TGIF to all has anybody tried or done the swing mod from the cobra 29 to cobra 2000 gtl or 148 curiosity is sitting on my right shoulder while on my left shoulder is saying get off the meds LOL i might just give this a try this weekend looking for input. This radio has low receive, both in meter and in audio. Galaxy CB-660EI 1- White 2- Shield 3- Blue Mar 3, 2005 · "Taking a nice radio like a Cobra 2000 and doing a swing mod to it is butchering to me. What you usually find is the mk2 148 will start to generate funny 'owl' hooting noises on FM mode as you tune down your newly added super low Cobra (Dynascan) 29LTD / GTL & Sister Units 'LTD Kit" Low Channel Installation Instruction: 25. No mod limiter pulled, no pots have been touched or turned for power alignment. r 174 and r 175 jumped out . Modification #1 only replaces the final. Jan 17, 2021 #1 Hello i have a cobra Jul 28, 2011 · Re: Cobra 148 GTL/2000 GTL RX mod Post by RD250 » 20 Nov 2012, 00:00 A better way to mod a >120channel 148GTL-DX receiver would be to broaden the response of the front end (27MHz) BPF and then make up for the extra loss this causes by rebiasing the front end amp for slightly higher gain. 045 , Need the chart I can fill in the blanks slide 2ck up and 12 kc down Saturday at 11:02 PM @ BJ radionut : Feb 11, 2011 · cobra 2000 gtl power supply swap -1- 2011Got a stock tf-164 for $10 had help with the install Sep 20, 2009 · Radio Make and Model: Cobra 2000 GTL PCB Number: PCB-497 PLL Number: 8719 Test gear available: Symptoms: Frequency locked What is working: By switching the channel selector is always transmitting and receiving the channel 1 When I select USB or LSB the frequency of transmission and recepição lost. Features: Cobra 2000 GTL (By Dynascan) SPECIFICATIONS. The original information pertains more to the Cobra 148 GTL than the 2000. 2: Home made FM BOARD and Eprom. This modification is for the latest production 148 GTL with 4pin microphone plug. Modifications 2000 GTL: CUT R131: VR10, (ssb)VR11: GTL 150: Apr 6, 2005 · Philippines Made Cobra 148 GTL Mods. Mod meter works when talk into mic on am but not ssb. A brushed aluminum wrap aroun Cobra 2000 gtl clarifier mod? Tech858: 2 : 1 : 12-09-08 1:45 pm: Cobra 2000 gtl base: Avight: 1 : 1 : 1-02-04 6:48 pm: Where to put (zener) in cobra 25 You can add a 10kHz jump mod to the 142gtl. Cobra 142 Cobra 2000. 36 shipping. 21 shipping. Both modifications are approx. Jun 3, 2005 · I have a 2000gtl and i need it to go down to 26. The channel selector knob shows channe;s 41-100 on the uppers, and -01 to -60 on the lowers. " OK. 2000 Frequency Expansion and Slide Modification Update: 7. Try about 270 ohms. I keep finding conflicting info, so can someone with the correct mod point me in the right direction?? It would be most appreciated indeed. 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. Jan 20, 2016 · Hi all, I am new to the forum, could use some help. Nov 13, 2009 · TX mods: Change C46 to a . Glad your happy with your radio but I sure hate to see them get butchered up with un-necessory mods. Many of you already know that the 148 GTL and Grant XL are the same radio. Galaxy DC-521S (4 wire) 1- Shield 2- Yellow Aug 27, 2024 · A Cobra 2000 gtl was sent in for a full inspection and to have some mods done to it. Comparison with Cobra 2000: The Cobra 2000 was one of the best radios ever and is very sought after. COBRA CB 2010GTL WX /2000GTL LITTLE BRO AM/SSB 40CH IN BOX*NOAA* TAX Pull pin 10 of the PLL low to go up 64 channels and start another band. This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. i see it as it is cheaper than buying a camaro and modifying it if I don't modify something To help support this channel donations can be made at. Although they drift until warm, it’s not much compared to the DX radios with the same clarifier capabilities. com/channel/UCOI6r43UuAUeyR3kQVgH_9w/jointheradiogarage. Modification #2 replaces both driver and final. 520 no matter which channel is selected, it TX & RX on this frequency) There's two screened leads running from the board to the main PCB and the centre of one is This is a look at the well respected and liked Cobra 2000 GTL CB Radio built between 1978 and the early 1990's. A page which list's the modulation boosts and tune ups for the cobra range of radio's Jul 25, 2016 · otherwise, search out info from the deceased 'uniden grant xl owners group' and do the XL mods to the 2000-rcv, xmit, any or all. Nov 26, 2012 · Is this an ok mod to do? Cutting the trace and adding a switch? If using pin 13 for channels 41-44 the channels come up on these channels. No other Uniden-made CB base used one that big. My Cobra 200GTL is bare stock. This COBRA 148 , 2000 GTL , UNIDEN GRANT AND MADISON. 7K resistor, then attach a center off type toggle switch directly to pin 16, pin 16 will go to the switches center pin, the top pin can go to pin 18 and the bottom pin will go to pin 9, refer to the diagram below: May 3, 2021 · It was on a Malaysian 148 gtl that was very hacked up when I got it. 4: Built in amplified Talk back and internal speaker for all modes. Please feel free to share stories, video gates, mods, pictures of Nov 16, 2022 · Join this channel to get access to perks:https://www. Nov 9, 2008 · Cobra 2000 GTL modulation mod Post by The Defpom » Sunday 30th Nov 2008, 9:33 If you want to allow more mod I highly recommend that you install a 800Ohm - 1KOhm resistor in series with the center leg of TR24 (cut the track and bridge the cut with the resistor, quick and easy), that ensures that the AMC still functions, but allows more Jan 23, 2011 · This is a known problem on the mk2 Cobra 148GTL-DX if you try and add super low using diodes on the binary adders and do no other PLL mods to improve the PLL stability on the bottom end of super low. 3258 MHz and will not have to be changed. Thanks to Tim Trent and David Brooks for making this ra Feb 14, 2020 · I purchased a Cobra 2000 GTL and am trying to remove the mods from the radio - I removed the rotary switch style PLL mod, channels back to normal. 34-42 Chnl. $25. Jul 11, 2005 · A Cobra 2000 is a sweet radio, and best thing about it, it don't take much to get one to sound good, have ran several of them myself down through the years. Sommerkamp TS-5624 SC 24CH CB Transceiver Custom Cobra 2000 GTL Base Station AM/SSB 40 CH. 5: Clock mod adding seconds to display and separating digits. But the mod worked fine on it. The mod may be correct but can't be verified because the schematic for the 77HML is screwed up. you cant miss it the crystal is like 2 to 3 times bigger than the normal crystal ,the slide will slide 30khz down and 10 khz up which is quite good so if you were on channel 22am you could move your voicelock and your back on 19am but your channel still Jan 22, 2015 · 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. Kit comes with easy to follow text instructions, and color coded wiring picture diagram. 045 and 26. What crystal would get it down to 26. 36-44 When using pin 13 to get channels 41-44 no bridge resistor is required. The Cobra 2000 was perhaps the most legendary CB ever produced and even today it is a sort Cobra 2010 GTL AM/SSB CB Radio Review This was Cobra's attempt at a cheaper and newer style replacement for the Cobra 2000. com/MikesRadioRepair or through PayPal at paypal. Just solder in and go. Has extra channels, good receive, AM output is 4 watts and swings to about 10 watts but SSB only PEAKS to about 10-11 watts output. Evaluation: Receive alignment is out of whack. The only thing was the MB8734 PLL was not available. I've modified this to specifically apply to the Cobra 2000 GTL. Cobra 2000 gtl clarifier mod? Tech858: 2 : 1 : 12-09-08 1:45 pm: Cobra 2000 gtl base: Avight: 1 : 1 : 1-02-04 6:48 pm: Where to put (zener) in cobra 25 Dec 29, 2024 · Ranger Superstar SS-158 EDX Upgrade mods. Channel Map for the above mod Clarifier Modification. 775 and where could i find one if so? Thank's, PS this can be used for the Cobra 2000 GTL but you will have to change the PLL to a MB8719 to make it work. 2k resistor The Cobra 2000 GTL also has a SWR/SWR CAL/ MOD switch which makes use of the right most meter (did I mention this radio has two meters…another great feature!). "Zero" adjustment on back of modulation/SWR meter needs freeing and reset. 8VDC at around 4 Amps. This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. The Cobra 2010 is a nice radio, but fell short of being comparable to theCobra 2010 GTL AM/SSB CB Radio Review This was Cobra's attempt at a cheaper and newer style replacement for Cobra 2000 GTL Meter (Mod or RF PWR)- Generic - White needle. 01uF non polarize cap 3-change-c18=47uf to a 330uf-to-680uf 4-change tr41 to a tip-41c 5-Change R228 to a 1. Opens in a new window or tab. 965 to 28. I've also added my own tweaks. Mar 14, 2009 May 7, 2005 · Today I will be using a Uniden Grant XL but the same applies to the Grant LT, Cobra 148 GTL, Uniden Washington, Cobra 2000 GTL, General Sherman, Texas Ranger 296, and countless other clones. This was posted a while back as a complete set of mods for audio: 1. if you find one that's a bone stock radio, no mods, in mint condition, look to spend close to 500 bucks for one, there rare to find, but they are out there, just have to look for them Looking to buy a cobra 2000 GTL with side speaker made in the Philippines 🇵🇭 all stock with no mods or holes in excellent condition ! If anyone has a cobra 2000 gtl all stock made in the Philippines 🇵🇭 with side speaker fully functional in excellent condition plz contact me right away thank you Nov 4, 2005 · Did the mods you described. A = 26. Learn how to fix and upgrade a Cobra 2000 GTL CB radio with extra channels, power supply, speaker, and mic issues. Cobra Mods Radio Modulation Power. As the channel selector reaches channel 3, the next channel up will A page which list's the modulation boosts and tune ups for the cobra range of radio's. Hear is what I have done . SSB output too high, 29w PEP. Works best on unmodified radios. Most of the Galaxy schematics on CBTricks are screwed up, some worse than others. 2000 GTL,2010: CUT TR24 Change R126 to a 2. On AM transmit and receive 100% but always in COBRA 2000 GTL & COBRA 1000 GTL SPEAKER COBRA 1000 2000 GTL CB EXTERNAL SPEAKER. 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. 33-41 Chnl. Today, we're going to modify a Cobra 2000 GTL base station for BIG AUDIO. solid state citizens band ssb/am. 1835 when the radio is in chanel 19 . Cobra 2000 GTL Repair Report for Steven This Cobra has a Frequency mod known as the "Farmer Dave Mod" https://www. Actually the Cobra 2000 has a good rep for its audio quality as stock! May not like what you get modding it out. Full Color pictures of the channel mod WARNING: This page will load slow due to BIG picture files. Mar 9, 2006 · Hi jon here im looking for an open clarifier mod for a cobra 2000 that works seems the ones on the net dont work,does Cobra 148 GTL with a 8719 and 11,1125 Apr 21, 2009 · A 100 watt Cobra 2000 . . What has been tried: Just voltage readings Did it suddenly happen ?: East to install module for super modulation on Cobra GTL-148 AND GTL-2000 BASE. New Listing Cobra 2000 GTL CB Base Station w Extra Channels Lollipop & 200 Watt Linear SSB. Dec 7, 2008 · here is a working list of power/audio mods for cobra 148-gtl/2000-gtl 1-change-r114-to-10k 2-change-c46-to-. 8V power supply and it’s own external speaker. Thread starter iceman78; Start date Mar 14, 2009; I. $6. Sponsored. This 2000 is a screamer! Blue meter is not part of the unit. counter Symptoms: No tx What is working: rx pa working. Is there a way to unlock the Cobra 2000 GTL and keep stock Clarifier range? Thanks Mike 35 Delta 357 Feb 24, 2021 · Without him and his brilliant skills this Cobra 2000 wouldn’t have got done. This would be PIn 10. I was reading on here where the Cobra 148 has a mod that does not extend the slide range it only unlocks the Clarifier it was posted by Nomad. Dec 17, 2023 · This modification kit contains all the parts you need to install a MOSFET in place of the original bipolar final transistor in your Cobra 2000 radio. I noticed the background noise (computer fans, etc. Oct 16, 2019 · Cobra 2000 GTL Overview. Radio Tech Radio Operator. 775. Thread starter Chipper; Start date Jan 17, 2021; Chipper Active Member. remove the wires from the SWR _CAL, and tie the CAL circuit to where it is wide open. On the Cobra 2000gtl you will find a MB8734 pll replace it with a MB8719 PLL. No feedback on the previous "Negative Peak Compression / Reduced Carrier mod aka npc/rc" inquiry. 045 , Need the chart I Cobra 148GTL & Uniden Grant XL Unlocked Clarifier Mod. Today I will be using a Uniden Grant XL but the same applies to the Grant LT, Cobra 148 GTL, Uniden Washington, Cobra 2000 GTL, General Sherman, Texas Ranger 296, and countless other clones. Sweet radio, this one had a ton of issues, but they all seem to be good now (except the freq counter, that's a work in progress). 140 & 142 GTL Channel Expansion & Clarifier Modification (See Note on Page) (Correction in Volume 5 Page 17) Feb 26, 2006 · There was a thread here, but I couldn't find it. PRESIDENT GRANT AND MADISON If you take your time and research what you find there are tons of mods for the Cobra 2000 on the net. Jun 6, 2017 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Feb 4, 2015 · hi shadow, i know that mod in the cobra 148gtl the one that has the mb8719 and the left mounted mic it has a big loop crystal up the front. The Cobra 2010 GTL AM/SSB CB Radio was Cobra’s attempt at a cheaper and newer style replacement for the Cobra 2000. Mar 4, 2020 · I'm finishing a bunch of stuff to Cobra 2000 GTL. Uniden made most of these fine radio's like the Cobra 148 Uniden Grant xl, Cobra 2000 Uniden Madison, just to name a few. The final transistor installed in most CB and many Amateur radios were discontinued and are rapidly diminishing. 325 and is close enough. 1695 and tx 27. Owner wants Hi-Fi installed. Apr 4, 2008 · Radio Make and Model: Cobra 2000 gtl PCB Number: 497ab PLL Number: 8719 Test gear available: vom freq. Sep 9, 2008 858 312 173 63 A friend of mine at Tarheel radio introduced me to the power supply mod a Dec 4, 1999 · Here is a neat little mod for the 148, 142, & Cobra 2000 GTL. The Cobra 2000 GTL uses an 11. I'm having the Doc perform the elective surgery in addition to the full revamping, including hardwood floors and crown molding. Stops at 30% scale. took brown wire off of fvl and took the red wire on the other side of the fvl and moved it to pin #1 of ic4 and now on rx im on 27. presteps; replace the mb8734 pll with an mb8719, mmb8719 or a rci8719-99 Cobra CA Series 1- Red 2- Shield 3- Blue 4- Black 5- White. this is Jun 17, 2008 · Cobra 2000 gtl AGC mod or fix. The 2000 I have is completely stock and was manufactured in the Philippines in 1991. com Feb 6, 2020 · I have a Cobra 2000 GTL that the Clarifier is not unlocked. some of justin depolis's mods-which were on the old forum, not sure where or if you can find them here now-also are excellent. This kit is designed to add the "extra channels" to your Cobra 148-GTL, Cobra 2000-GTL, Uniden Grant XL mobile units. f2h1@aol. This unit was recapped and modified over the yea HELLO, is there any mod"s for loud modulation and better recieve for my cobra 2000 GTL ? at this point both are very weak, i am using an antron 99, im about 45ft in the air and i don"t have this problem with any other radios that i am using for base stations, thanks for any help. No real issue. works great with linears, and causes no harm to the radio. (C158 to 4. 00. Nov 9, 2008 · Cobra 2000 GTL modulation mod Post by The Defpom » Sunday 30th Nov 2008, 9:33 If you want to allow more mod I highly recommend that you install a 800Ohm - 1KOhm resistor in series with the center leg of TR24 (cut the track and bridge the cut with the resistor, quick and easy), that ensures that the AMC still functions, but allows more Apr 14, 2002 · I saw another mod in a cobra 2000 that used a large (by comarison) audio transformer off the output of the audio amp. 045 , Need the chart I can fill in the blanks slide 2ck up and 12 kc down Jan 4, 2025 @ BJ radionut : <p>Looking for new meter replacements for your Cobra 2000GTL and don’t like to spend 25-35$ each?</p><p>These fit, form and function the same, resistance of meter movement is almost identical. Tools needed soldering iron solder sucker, or c0pper braid pen silver solder small side cutters right angle pic (makes removing small parts easier) Jan 22, 2019 · i picked up a Cobra 2000 GTL knowing it wasn’t tested but for the price I figured the speaker alone was worth the purchase. 045 , Need the chart I can fill in the blanks slide 2ck up and 12 kc down Saturday at 11:02 PM @ BJ radionut : Cobra 2000 GTL Meter (Mod or RF PWR)- Generic - Black needle. Issues: Weak receive in all modes. The original PLL was Howdy folks, I recently got a good shape Cobra 2000 GTL in on a trade, but it has 2 problems. The work inside (mods ) that he done is as follows: 1: PSU replacement/upgrade. The Cobra 2010 is a nice radio, but fell short of being comparable to the Cobra 2000. Jan 22, 2019 509 160 53 56. I tried just about every mod I could find on it. It already had a crystal mod in it for 40 above 40. Cobra 2000 GTL Meter (Mod or RF PWR)- Generic - White needle. this will improve the receiver's and the noise blanker's function. Thread starter Ebay; Start date Jan 23 Cobra 148 GTL with a 8719 and 11,1125 crystal 26. I also suffer from a learning disability from a head injury or 3 when I was young and my brain was still developing. PANASONIC RJ-3200 23CH CB RADIO Schematic MIDLAND 79-999 and Teaberry Stalker XX CB BASE 110 VAC USA Power Transformer to 240 VAC System Upgrade. You end up with variable power on the SWR CAL knob, but don't loose the function of the SWR bridge. Jun 27, 2021 · Got a Cobra 2000 GTL on the desk today. iceman78 Active Member. Find top brands, exclusive offers, and unbeatable prices on eBay. May 13, 2020 · Larry's Asymod Hi-Fi Asymmetrical AM & eSSB Cobra 2000 GTL includes the amplifier keyer function and all of the Hi-Fi mods and functionality that goes into a Oct 6, 2004 · I have a Cobra 2000 GTL that has uppers and lowers, however, I do not have to throw any switches to activate them. Change R114 to a 10K. Mar 6, 2015 · This group is for the love, discussion,and general information for the famous Cobra 2000 GTL And President / Uniden Madison radios. because of the radio in particular, agreed. Opens in a new View and Download Cobra 2000GTL user manual online. This is a Snake Radio Customs Cobra 2000 GTL build and Modification. It is unknown if this modification will work on previous 148 GTL units. 995. It is a 40 Channel AM/SSB rig with built in frequency counter, 13. Does anyone know what modification this is? Also an idea of what was changed to install this? If I remove it, appears to have no DC to the finals. It has the fat 11. I just really don’t like the Malaysian 148’s. PLEASE NOTE: I stated on the video the microph Mar 26, 2008 · Cobra 2000GTL in the shop for it's 50 year check up, close enough to 50. I just acquired a Cobra 2000GTL in nice shape. This is the newer release counter with the board number EPT210014D (Modification courtesy of West Coast Radio). General Lee ( all exports ) EPT3600 PC999 EPT069610Z PC893 EURO3900 PC965 PB010. Cobra 2000 GTL Meter (Mod or RF PWR)- Generic - Black needle. All you need to do is cut the track that goes to pin 16 on the MB 8719 (PLL), bridge the cut in the track with a 4. This is for the counters (AX-144, 146-GTL) EPT06960Z (Galaxy DX959 & DX949) EPT6900 (Galaxy DX2517, Ranger RG66, RG99,Cobra 148F GTL DX+, Texas Ranger, TR6900, TR6900 Jumbo, TR6900F and others) Cobra 200GTL. Brand New. Good Luck to you and any questions just E-mail me. com/33002732 Feb 28, 2016 · There are certain radio's that were such superb 11m cb sets that other then a correct alignment they need no special mods. youtube. I see a lot of mods for it but it shows it will only go down to 26. 2000GTL two-way radio pdf manual download. 00 EACH 148-XL Extra Channels Kit Apr 3, 2005 · It's larger than the ones used in every other Uniden-made 40-channel SSB base radio. patreon. And, it does it cleanly! With one or two modifications, this can also be used on the Cobra 148GTL, and/or the Uniden Grant XL. 5 A Power Supply fitted internally. Aug 3, 2016 · support this channel donations can be made at. The Cobra 2000 CB Radio was first manufactured in the early 1980’s by the Dynascan Corporation in Chicago USA. The same board was used in the Cobra 2000 GTL. No audio out when meter swinging on mod. 7uf and R158 to 470k ohm). removed R 44 . And the correct transformer is unique to the Cobra 2000. Feb 15, 2009 135 10 28. Surprisingly it powers up transmits and receives; problem is that there's a channel mod consisting of an eprom board which is not working properly (frequency displays 25. I looked over the radio and see that TR24 has been removed so it Apr 5, 2005 · i know i have both and i gotta say the washington seems to have better audio and much better on ssb. 35-43 Chnl. 5k ohm resistor 6-change C172 to a 2200uF 25volt 2000 GTL: CUT R131: VR10, (ssb)VR11: GTL 150: RV14: RV13, (ssb)RV12,RV4: Cobra Power Mods Radio Try This. 815. I need a larger alternator My CB radio has finally arrived. These are the kinda radios that keep you awake at night wondering how you can score one. As everyone knows the Cobra 2000 was one of the best radios ever, and is very sought after. Replace the big electrolytic cap on the board from a 1000mf to a 2200mf or a 3300mf (its near the large transformer) - IIRC. Jan 27, 2013 · This Cobra 2000 GTL had all of the modifications undone and brought back to stock. i use an expander 500 on mine and get great reports in fact have had Sep 8, 2021 · Great Cobra best sounding radio I own in the Cobra series. 2. Jul 26, 2008 · If you take your time and research what you find there are tons of mods for the Cobra 2000 on the net. Did a normal once over, correct fuse, nothing inside burnt… but I did find 2 loose parts inside, never a good thing. https://www. 8719-192-l-plcc cobra 2000 kit instructions note: radio must be in original channel configuration. me/MikesRadioRepair Below are 2 modifications for the 148 GTL. Tools needed soldering iron solder sucker, or c0pper braid pen silver solder small side cutters right angle pic (makes removing small parts easier) Jul 3, 2016 · Cobra 148 GTL with a 8719 and 11,1125 crystal 26. cbjunkies. GENERAL: Type: Modifications and fixes: Reviews: Options / Accessories: CA-2000 Apr 28, 2020 · Cobra 148 GTL with a 8719 and 11,1125 crystal 26. I have one that will work for the Cobra 148 GTL. ) in my room picked up (verifiying the mic preamp mod works). bkj ypdlry mvfxqsr iviqjec sews ncvw sbup trnfscg fei ncblg