Cobra 29 mods Thanks cobra 29 ltd bt mods. Adds Variable Output from 1W to Full Power Cobra 29 LTD Frequency Mod (+Counter) Thread starter LeapFrog; Start date May 20, 2021; LeapFrog Wielding Hanlon's Razor. Search items. The goal being a satisfied customer. cobra is just lost and have no clue already. Digging through here and other sites I've seen plenty or mods for Later "A" and "A+" kits used a dirty trick to get that '45 channel' jump from the same, old crystals. since Cobra 29 radios still had 2SC2078 finals all the time since the lead-free fraud kicked in 16 years ago. The 29 LX is the permanent replacement for the limited edition radio (20,000 Units Built) celebrating Cobra's 50th anniversary. i guarantee the selector will be some cheap, wobbly, fragile encoder type that will skip channels when turned and not work when pushed half the time. 1378 Oklahoma WWPDX MEMBER I've got an old' yet newer Cobra 29 Classic - I'll dig that guy up I'm not too familiar with the cobra 29 ltd but in export radios you can also keep the extra power and beef up the audio modulator/voltage regulator circuit. A page which list's the modulation boosts and tune ups for the cobra range of radio's Cobra (Dynascan) Secret CB Index By Model Documentation Project CBTricks. 7 Ohm. Therealporkchop: 6 : 1 : 2-20-05 10:34 pm: Another Cobra 148gtl Clarifier Mod Question: Yankee: 11 : 1 : 2 Does anyone know what this mod is for the Cobra 29 series. That gives peak and clip a new meaning. com Also See Cobra Service Bulletins Page for other info. 2) If the Cobra 29 is a version with a delta tune, that control will no longer function correctly. are you sure the mosfet you installed is up to snuff. Rficon: 6 : 1 : 2-22-05 11:49 pm: Older 2950 face plate back lights. 2uF, 50 Volt (or better) mylar/polyester film C38: Remove for more highs Goldfinger's cobra 29 hi fi mod Cobra 29LTD with the TA7222AP audio chip Receive: Change C33 and C40 to 2. Next Last. The modifications range from simple cuts or removes to more complex replacements of voltage regulators or other electronic parts. Cobra's 29 LTD NW is the next generation of a classic CB radio. 240MHz), and hooking it somehow to C12, a 4. Uses a 2078 - just like the Cobra 25, Cobra 18 II - Cobra 19 DXVLVII - Superbowl Edition - pretty much the "Standard" for CB radio is the 2078. These mods maximize the radios capabilities while still sounding clean. thats about it just looking for some help with mods/ideas. 5. This document contains a list of radio modifications and tunings for various Cobra radio models. com! Oct 23, 2017 7,459 13,222 798 53 The First State (Delaware) So it may take a Da Vinci surgical robot to repair a Cobra 29. com. The front-panel control is powered in receive mode only. wa4gch Active Member. 1: change the final to a 2sc1969 2: change the driver to a 2sc2314. Modulation is set after mod is performed usin press the ch selector to change modes? hahahaha that's just ridiculous. It includes modifications such as cutting resistors or capacitors, removing components, and replacing voltage regulators or other components. ( not 26 watts, must be a swing kit or something? on youtube See what happens when the skip quiets down for some radio checks **NEW** Cobra 29 NW ST Deluxe AM CB Radio With SoundTracker and backlit front panel Cobra 29STWX Classic CB Weather Radio With SoundTracker Select Cobra Power Mods ————————————-2000 GTL,2010 Cut R Description of how to convert your cobra 29 radio to Mosfet final. Member. Additionally it can be dangerous and may expose you to electrical shock, injury, or death. We will If you really want to do a mod on one of those radio's search here for the 50 watt Cobra 29 mod. 2K or 2. Hey gang, so I just got this cobra 29 wx st and noticed that it’s been peaked. Cobra 25 & Uniden 76 mod is similar, although you'll need to cross reference against the schematic. Change R123(1 ohm) to a . Big radio sound in my experience generally equates to crap radio sound,much better too take the path of loud but clear audio which is less stressful on the listeners ears. Rat, May 24, 2011 #10. The Master Mod Upgrade Kit contains everything you need in one project package to update an old radio or give a fresh start to the new one. 360 Mhz signal that is coming from a tripler circuit and replace it with another one depending on the required CB Radio Forum. I know some guy's remove the sound tracker section on the cobra 29 radios to get it talking better. TJ Wrangler Technical Forum General Discussion YJ Wrangler Technical Forum Jeep CJ Forum XJ Cherokee Technical Forum. Pin 14 of the PLL is the Reference Oscillator Buffered output (10. This circuit cobra 29 mod Post by BRI2294 » Sunday 10th Feb 2008, 4:59 I CHANGED THE RESISTOR TO A 26 OHM AND THE RADIO WORKS FLAWLESSLY. Thread starter dss56; Start date Sep 23, 2021; D. So if you want to do some mods, here is what I do to for the 29. Remove R123 and replace with a jumper. have not seen the mod for a cobra 25 as of yet. They put a disc capacitor in parallel with the lower-band crystal to pull it down from 14. Caps, cap, capacitor, direct inject, bass, lows, hi fi, hifi, hi-fi, high fidelity, mod, mods, modification, upgrade, widen, wide audio, Goldfinger, Cobra, Galaxy, Ranger Do you run the JP36 mod on your wide 29? I will try the C73 experiment out and let you know what I find. W. Example: papa-mod for a superstar 3900 Cobra 29 GTL/LTD/CLASSIC POWER TWEAK #1: 1. It got into the adjacent channels, & audio gain(not really bandwidth) increased but not by anything to right home about with the clipped amc, it sounded distorted (& "very loud"). I had no deadkey or swing after I repaced Mods for the Cobra 29 GTL, 29LTD, Uniden PC76 CB radios. cobra 29 wx nw st mods. Your best bet would be to have one of them given a mild tune and alignment and then just run it. As far as the "other mods" R100 needs a 2. dxRadioTech . After a complete tune up/upgraded final/mosfet/etc, See the attached PDF. All 25 & 29 Models. dss56 Well-Known Member. Last edited: Sep 29, 2021. Less than $20 in parts. Thread starter doc919; Start date Mar 28, 2013; D. The modification involves adding a 220uf electrolytic capacitor and 33-100ohm resistor to the radio's circuit board. had to throw them away. 13 posts • Page 1 of 1. Also I want to mod one for the fun of it and choosing a model that has a frequency counter. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Cobra 29 LTD Replaced with this: NEW COBRA 29LTD AM/FM: $139 . Basically, when the channel 9 switch is switched back to “normal” I want the radio to be back to stock. If the driver final is a 2SC2029, change it to a 2SC1957. Description. The 2030 final mod for the cobra 29: Milkman21218: 4 : 1 : 4-16-07 8:44 am: Power mod: Guardian: 1 : 1 : 4-15-07 8:54 pm: Variable power: Patzerozero: 2 : 1 : 4-14-07 10:55 pm: 2950DX: Dale: 4 : 1 : 4-11-07 8:15 pm: Mods for rci 6300: Milkman21218: 1 : 1 : 4-08-07 2:17 pm: NEW MAGNUM 257: Navyrebel782003: 2 : 1 : 4-04-07 12:33 am: Get a Cobra 29 Nightwatch with our peak upgrade to maximize your radio's performance People have been wanting access to FM mode on CB's for years because it offers clearer sound quality with reduced background noise. Print view; Search Advanced search. The list Cobra 29: Bigbilly: 20 : 1 : 2-26-05 1:40 am: Cobra 25 and Cobra 29 Mod: Inspector: 4 : 1 : 2-25-05 7:29 pm: Cobra 20: Bc910: 2 : 1 : 2-25-05 5:28 pm: Best radio techs. should be about 3. I know motor mouth has the 148 mods on his website but I can't find anything for the 29s. 695, High Side injection into the 1st mixer). com! Apr 6, 2005 3,621 180 63. This increases the radio's swing, peak wattage, and audio output level, making it louder. Reactions: Wildbill63, Mudduckmobile and Rebel Outlaw. Goldfinger Site Maintenance Posts: 3930 What I am looking for, is a MOSFET final mod, and possibly a swing mod for it. Fuel your knowledge, unlock secrets, and engage in discussions. Change R58(10 Ohm) to a 2. Wire the circuit as shown in the diagram using the parts listed below. I do have a decent SRW meeter that Ok that is my info about my radio set up now here is my question. Or can someone recommend a model that can be commonly found that is cheaper than a born 10 meter. Cobra 29 classic LTD/GTL low channel mod. com! Apr 6, 2005 3,621 179 63. 28-29. Thread starter Snack Man; Start date Oct 22, 2006; Prev. Works on all cobra 29 radios, ltd and up. unit_399 EL CAPO. It also means that the radio can accept the same modifications as previous models. Mar 28, 2013 #1 Ok! I have done the mosfet conversion with "peak&tune". Come join the discussion about performance, engine swaps, modifications, classifieds, troubleshooting, maintenance, and more! Show Less . that is a must do issue also. loosecannon Sr. Jun 18, 2006 #1 Cobra 2010 (Discontinued) The Cobra 2010 is Cobra's newest and best base station ever! POWER TWEAKS: Cobra 25 & 29 LTD This is a typical example of mis-information, the resistor changes listed below will not produce more power, they will make the radio sound crappie. I Support WorldwideDX. Change R123 to a 0. Cobra 29 lx swing mod. GENERAL: Type: Citizen band transceiver: Frequency range: 26. 3) It will only work with a downmixer type PLL circuit like the one in the Cobra 29 NW LTD Classic Mods? (New guy) Post by tdkask » Monday 23rd Jan 2012, 7:57. POWER TWEAK #2 1. Reply. There are alot of them out there that don't mention anything about cutting or removing the limiter. Remove final and replace with a 2SC1969 transistor. i have a cobra 29 ltd w/ bluetooth jus looking to do some mods. I do not want to use the RF gain knob to accomplish this. ²ÈèÀý šÿ _¬;¯ç ¥@ýãE\a#‘Géø ì¦ûárþ« n Ÿ ß Cobra 29 LTD Classic Product Manual . Would you have anything for the Alpha 10 Max Anytone AT-5555 Comtex SC-1000 DX Hannover BR-9000 K-PO DX-5000 Maas DX-5000 Superstar SS6900 As these are all the same yet re-branded radios? Even the new 29 LX-LE radios have the 22 pin uPD2816 or their rebranded Cobra 29LTD chip in them in the schematic. Thanks God Bless. 2000GTL Frequency Expansion & Clarifier Mod: 15. 91 MHz Cobra 29LTD, 29LTD ST, 29WX ST Documentation Project CBTricks. pdf), Text File (. Cobra Mods & Info Documentation Project CBTricks. 2. this mod will give you a variable dead key using VR4, the modulation adjustment VR. Cobra 29LTD AM/FM. 6. wellthe cobra uses the 2sc2708 for its final and the galaxy uses the higher power 2sc1969 for its final. 265-27. The 29 is thankfully an older through hole parts design, easy to modify and play with. Trucking Jobs in 30 seconds. NEW Cobra 29 LX Channel ModificationI discover that the Cobra 29 LX I was asked to do a channel modification on is a new variant, so I show how I do the chan Go the new Cobra 29 LX was set to almost 4 watts and 70% mod. Your Hi Fi mods are the best! I've done the Cobra 29, 25, 148, 959 and every time I get compliments. °u3î°?®ëÈ. New media New comments Search media. well I did a little research and found the 25 mod also for removing sound tracker. also did you peak the stages going to the mosfet after the new install. Leave C59 capacitor alone. THE "V-MOD" KIT. 92 to 14. Cobra 25 & 29 Uniden 66,76,68 & 78. Thank you so much. 2uF non-polarized electrolytic 40 Watt, High Power Mod. I would like to mod my Cobra 29 ltd classic some to get better performance out of it The Radio Garage way of converting a cobra 29 or uniden 78 style cb radio chassis to a mosfet final transistor. it was in the same bulletin as the cobra 29. Hello. dxChat 0 cobra 29 hifi mod - Free download as Word Doc (. 5 watts by utilizing the channel 9 switch that I never use. New posts Search forums. COBRA 29 LTD CLASSIC MODS: 29 LTD CLASSIC: Change final to 2SC1969. Sep 23, 2021 #1 I see mentioned many times about adding low channels to the cobra 29s with out an expo kit or xtals. i have ground straps and a coax from radio shack. %PDF-1. when the mike is keyed, the varactor diode's control voltage comes from a resistor and diode connected to the transmit-only voltage. A properly tuned radio should be loud but also clear. The new radios are all going surface mount with no adjustments on the board, all you can do is talk on it. Do a quick google search on cobra 29 mods or cobra 25 mods. This document provides instructions for modifying a Cobra 29 hi fi radio to improve its audio performance. The PLL is not modifiable when used in an AM only radio, the only method that will allow more channels is to disconnect the 15. Might be with the current pll on board. . cobra had so many inquiries on this they put out a mod to remove it. first, BOTH the receiving radio and the transmitting radio have to be using the Motor Mouth Maul did this by putting an electrolytic cap on the transmit side of the Cobra 29 clarifier circuit. Clean and easily changed up to use the RF gain on the face is desired Cobra 29 AMC & Hifi. Dec 6, 2012 148 13 28 52 mid south tennessee. Each employee takes pride in his/her work. Can it be done? I read somewhere that it is basically like the last model of 29 I think, just has the new digital face and a few firmware extras. Final transistors meant for AM-only radios In this video I talk about "Cobra 29" Mods, which is the same as "Uniden PC76" Mods. Post Reply. Install on solder side of PCB. Mod. I give some info about Swing kits, Dead Keys, Power Supply Voltages & C The mod will work fine, and your radio is identical to the cobra 29. thanks When doing the swing mod for the Cobra 29, the CBRadioMagazine page suggests adding a variable power with the added 33 ohm resistor and disconnecting the RF Gain wires from the pot and soldering them together. Then, I am to link wires from both sides of the 33 ohm resistor and run them back to the RF Gain pot. I recently picked up a cobra 29 for 20 dollars from a co-worker. Integrity and Ethics are important to the Company and our Employees. Re-tune L14,L13,L12 for maximum forward power. com! Jun 17, 2008 2,484 4,382 273 Quick video showing how I did the variable carrier/ dead key mod on a Cobra 29 CB Radio. vÇo fŒ1Zô ƒŽÍhl ŽàºãÍáÓ ‡ 7FöŒ}œ›ÄýÅpaFFK!ö÷ 0£cæþÉp 0z¶}7\Ðh}`×_ `Lj¡ ÷n5ûÞ ? `äà ô v –=ôWà Ž. I'm relatively new to CBs and though I know electronics from years as an avionics tech in the Navy, I don't know jack about this circuit and am not trying to reinvent what's already been done. 959; Goldstar OS-7020A; MOSFET mod for Cobra 29; Cobra 148 service Info; Cobra 29 service info; MOSFET mod for Cobra 25; MOSFET mod for Connex 3300 HP; MOSFET mod for Galaxy Saturn Cobra 25 JP6 L11 Cobra 29 JP36 L15 Uniden 68 JV17 L11 Uniden 78 JV101 L15 Jumper & Coil Part Number Notes: Drill a hole in the back or side of the radio to mount the Variable Power Pot. Shadetree Mechanic Delaware Base Station 808. The same should apply to your radio's for the most part. Looking for a solid mod to change the dead key of a Cobra 29 LTD Classic from 4 watts to approx 1-1. Switch Kit Well-Known Member. Goldfinger's HiFi mod for ept3600 series board Receive: C36: Change to a 2. The Cobra 29 is most often modified with swing mods and those types of modifications such as the Caps, cap, capacitor, direct inject, bass, lows, hi fi, hifi, hi-fi, high fidelity, mod, mods, modification, upgrade, widen, wide audio, Goldfinger, Cobra, Galaxy, Ranger. And a special thanks to all helping to The soundtracker Cobra 25,29, and 148's were not the best made. Sep 11, 2008 120 7 28 Cobra Electronics remains to be a leader in the CB communications industry and the Cobra 29 is a testament to Cobra's innovation and achievements. for Cobra 29, Uniden 76, and Uniden 78 Radios 3) Add 68pF capacitor on back of C59. CB Shop may be doing prostate surgery on the side. There are a few other thing to do, but you get to the point where the added mods and time don't gain alot of watts and makes the radio run "dirtier". If you want to increase the modulation, you can also increase VR4, If the radio transmits fine I would not do a mosfet conversion/mod. Gimmick type modifications such as super mods are not offered at Clays Radio Shop. 40 Channel Operation Full 40 Citizen Band channel operation ; Front Panel Mic Connector Cobra 29 XLR (By Dynascan) SPECIFICATIONS. On these units, you must leave the tuning slug in it for maximum results. This is just a video of me tuning up new cobra 29 LX The Cobra 29 LTD NW adds NightWatch™ illumination to the 29 LTD Classic platform for enhanced safety and convenience, reducing eye fatigue while driving at night. doc), PDF File (. Maybe even a mod for the TX/RX frequency response improvement. Top. I may one day shoot a video, my description is incomplete and not 100% accurate. Perform a tune-up to radio to increase power, audio and performance. this? CB Tips and Tricks MOSFET Supertune (29LTD classic and newer): Replace stock final with IRF520 MOSFET transistor (pin-for-pin match when installing). ) The "Two Bands Mod". I am talking about the recieve mod where one gets better lows and some highs on the receive end not the transmit end. New items Series list Latest content Latest reviews Latest questions. 405 MHz: Channels / tuning steps: 40: Mode: AM: Frequency control: PLL : Frequency stability: 0. I am wondering if the board in the Cobra 29 Night Watch/Weather is the same as the Cobra 29 as far as the 2030 finals mod. com Model: 29 Plus - Extra Channels Using The Tech's Choice Kit: 28. Full Forum Listing. Nothing is different. Modifications. Credit should go to CBphreaker whos excellent work and kind mentorship brought these mods to light. Some radios come with this driver already installed. Imagine we are looking for information on thank u so much for helping me, just lemme make sure i am understanding what your saying, according to you, mods for a cobra 29 ltd or cobra 29 classic or a cobra 29 gtl will work on my cobra 29 wxnwst? Reply. However, it may also cause interference if not properly adjusted. I thought this radio was equivalent to the Cobra 29 XLR - and that all of the mods for the Cobra 29 XLR will work on the Honest Abe too. 47 Ohm. Well that day has come. (These mods replace key RX parts for better sensitivity Connect with CB radio enthusiasts at CB Radio Talk Forum. Thread starter minitrucker; Start date Jan 22, 2021; minitrucker Active Member. This radio uses a microcontroller and a SDR (Software Defined Radio) IC to control the operating frequencies, from what I can find I was the first in the world to do a channel modification on one of these units. so between the 2 brands there is a such thing as a 'galaxy final' when used in such context as a comparison. 2000GTL Synthesizer Alignment: 28. Variable Power w/ M-80 Super Modulator Swing Kit Built In ( FOR COBRA 25/29 & UNIDEN 66/68/76/78 ONLY) The V-MOD kit gives you all of the same options as the Classic M-80 Super Modulator kit, but, we have added the ability to manually control your radios dead key setting with a simple to install control module. Cobra 29 LTD Classic. Now, thanks to Cobra's leadership to enable FM mode usage with CBs used in the United States, you can enjoy dual-mode AM/FM functionality in your CB. From 0-max dead key. 4 %Çì ¢ 5 0 obj > stream xœåZY 5 ~Ÿ_Ñ Ý ÛqU¹|äm –p„ 6C ˆåŒÄߧì>ìž©& €°’ÇŸ ¯]·» îÌ Ø™ôoi|us0Ý=ù{~øù FJÿe n uÓÝ9 n]û. So (scenario) say the "factory" that makes most of the Semiconductors used in the Cobra 29 are from Factory "X" - and they produce Schottky types for general commercial use and Cobras' get these 1N4148 made to a Schottky standard - doesn't mean they are Schottkys' just produced used materials dies and process that are also the same for Schottky. Thank you all so much for watching, I hope this will help anyone who is trying to learn radios and other electronics. talkback mod on cobra 29 lx. 3. The only time that makes sense is if you have a blown final and the original finals cannot be found or cost a fortune. Cobra 29 LX LE CB Radio Review In the last couple of years Cobra has come out with a number new models that were variations of their famous Cobra 29 LTD. Range will be a quarter of what you had with a stock radio. infoOpen By Appointment Monday - Friday chasefournierrep A quick way to lower your dead key on a Cobra 29 will work on all Cobra 29 radio's Working on your own CB - adjusting the modulation ** Warning performing modifications on a CB radio can be a violation of FCC regulations. Feb 15, 2016 1,712 919 123 Anchorage, Alaska. Close to 40 watts Peak! This works for all breeds of cobra 29. Thread starter Switch Kit; Start date Jun 18, 2006; 1; 2; Next. Our local shop called them soundcrappers. dxGallery. There is another way this channel mod could be done, and that is by using a 2nd microcontroller to modify the serial data being sent to the PLL, the same way I did for the Cobra 29Ltd AM/FM variant, but the method of injecting a new frequency is a lot easier to implement. (These mods replace key RX parts for better sensitivity and selectivity) $26 Change factory power cord to a 10 Gauge Power Cord (14 foot) and modify the DC Jack for high Mods for the Cobra 29 GTL, 29LTD, Uniden PC76 CB radios. txt) or read online for free. I'm looking at buying a Cobra 29 and I'm unsure if I should buy any of the upgrades the shop sells. 1. The FM transmit audio is going into the BK4802 chip, which is actually an FM 2 way transceiver chip, in this case, only being used in the TX mode, for the Cobra 29 FM radios TX (direct frequency) and RX (offset by +10. I'm sure that someone one this forum knows this radio well. Rat, May 24, 2011. Astatic (4 wire) 1- Shield 2- White 3- Red 4- Black. doc919 Active Member. 47 ohm resistor. 1; 2; First Prev 2 of 2 Go to page. Master Mod Upgrade what is the voltages going into the gates of the fet. 25-28. MOSFET Supertune (29LTD classic and newer): Replace stock final with IRF520 MOSFET transistor (pin-for-pin match when installing). but lets keep the useless delta tune control on there. 3 WATT DEAD KEY WITH 8 WATTS FOWARD SWING WITH A LOT OF TWEAKING. dxHome. Looking in the radio I seen this: D11-cut L14 slug- removed R55-cut R100- cut and a diode added. dxForums. Jan 22, 2021 #1 and not the variable mod, 100uF may be too much as you drop down the carrier to lower than 2 watts - begins to get sounding like, well - pretty distorted - like you're eating the Cobra 29 repair book fast and easy; Cobra 25 repair book fast and easy; Dual MOSFET mod for Galaxy 949. A. Model. Explore Our Forums. ive got a wilson silver load mounted on the roof of my truck the swr is around 1 to 1. TIPS: 29 LTD Classic Schematic Diagram (Courtesy of Rick Jackson) Mic Wiring. if you say 'galaxy final' it should be recognized as the 1969, and if you said 'cobra final' it would be recognized as the 2708. 7K, but this is for a power regulator. Perform Receiver improvement mods. 2000GTL VSB-1 Hook Up with Bypass Switch: 16. (12 volts reference here is "battery power supply level) Re: Cobra 29 LX Receive audio mods? Post by Transwarp » 29 May 2022, 18:30 I got one of these when they first came out (the EU one) as I was impressed by how smart looking they are. 7uF electrolytic capacitor which is part of the RX +8v and near the RF Gain circuit, I have never heard of this mod. Cobra 29GTL, 29LTD and Uniden PC76. Connect with CB radio enthusiasts at CB Radio Talk Forum. Variable Power - the mod itself, does it only control the amount of power ALL of the power Signal (audio) and BIAS (DC power) On a Cobra 29 - you have 12 volts DC Power available to use, with audio - you still have that 12 volts - but audio is ADDED. It outlines specific capacitor changes to make in the receive and transmit circuits for two different audio chip models. (These mods replace key RX parts for better sensitivity and selectivity) $26 Install However I have dropped $60 on a Cobra 29 Ltd Classic and I have two 5' fiberglass whip antennas leftover from when my dad was an over the road truck driver. 1 of 2 Go to page. Variable TX Power. May 20, 2021 #1 This is just the basic idea. Astatic (6 I looked at a Cobra 29 with a clipped limiter, and without on the SDR waterfall. NOTE: One old model of Cobra 29 utilized a smaller tuning coil at L14. I know at very least I would get the tuneup, would a high wattage mod be something that would be worth the extra money or is it a gimmick? Cobra 29 LTD Classic Swing Mod. I bought some a couple years ago that were not very good and only got about 6 watts out of them . Remove R56 and in its place install a 470-ohm resistor in series with a common switching diode (1n914 or Cobra 29 LTD CB radios are known for their performance, reliability, and durability and will provide you with years of reliable service. Dec 1, 2006 150 0 26 LONDON ONTARIO canada. Cobra® has taken all the great features of the "Classic 29LTD" and managed to enhance it even further! The 29 LX has the same size case and uses the same accessories as a "Classic 29LTD". See Attachment I recommend, to get your radios receive back - buy and install a 2SC1674 and replace the 2999 with it. 5 volts. is this correct for cobra 29 ltd lassic mosfet mod? Post by Hawkeye138 » Wednesday 28th May 2008, 1:02. Stock 1- Shield 2- Audio 3- Transmit 4- Receive. Remember to subscribe !Give this a Thumbs Up if you like it, it helps to grow the channel, also please share the video with your friends to help the channel CF Micro Repair, LLC | Dr Radio's CB Shop21055 West RD STE 14 Woodhaven MI 48183cfmicrorepairs. Some prefer removing a less used control knob and mounting the pot there. Here's the deal! This will also happen on the cobra 29, 148, 2000, ect. Set it to 5 swing to almost 10 opened vr4 and 100% is about 1 to 2 oclock mic gain, Have to set the levels on the DM-452 inside and out. canuck in da truck Thanks this. 005% @ -30 to Master Mod Upgrade Package For Cobra 29 & Uniden 76/78 Units ONLY. Post by slapshot1540 » Sunday 25th Oct 2009, 22:16. Must have figured it would sell better if the channel display on your Cobra 29 would read the same lower channels as your buddy's Galaxy. Note: Links on this page may include PDF, JPG, DOC, TEXT, or HTML Formats. Go. Optional Accessories Tune-up. The radio worked good until I attempted a power mod I found. Does anyone know what this mod is called and if there’s other parts That may have been change, added or removed. You'll notice at the bottom they offer either a tuneup or a High wattage modification. Sep 27, 2010 404 117 53 56. Do not jump this resistor because it could overdrive the final. Join a vibrant community of like-minded individuals and explore the exciting realm of CB radios. This document provides instructions for performing a "super modulation modification" on a Cobra 29 LTD CB radio. Dec 5, 2010 #16 there are two things about this that cobra fails to mention. Mar 9, 2006 4,506 4,270 273. fhe mczl qkiqozk tuglfq imqtx yvoqkhf pnyykkxi gcgh myf tbjdbf jlr kafrl akcae zczy xqz