Cobra 29 1969 mod. You'll often hear people say on the radio that their Cobra 29 LTD has had a "swing mod" or Yes, some shops will add a 2SC 1969 for good measure, but it is rarely necessary and adds another $20 to the bill. L14 peak is about a turn or two up from factory original setting. com. 2. Close to 40 watts Peak! This works for all breeds of cobra 29. Complete instructions included. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Cobra 29 w/ 1969 swap & LeadFoot Labs audio mods 1 - 8 watts of carrier, 40-50w PEP, widened frequency response, proprietary RX boost mod on ch 9 switch, variable carrier adjustment on I didnt mention the c12 mod because you had asked about power, but that is an awesome mod. (Optional: cut D11 modulation limiter - NOT RECOMMENDED!) Receiver Desolder orange and brown RFGC wires from board. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket © 2025 Google LLC So I know - if you used a Cobra 19 or Uniden PC-66 what watts does your meter show for those types of typical CB Radios? Then to know this we'd have a reference. Take a look at the schematic and finished product below. You'll notice at the bottom they offer either a Whats all involved in switching the final (2078) in a Cobra 25 ltd classic to a 1969? Is it as simple as just removing the 2078 and putting the 1969 in its place or are there other components that need to be I recently picked up a cobra 29 for 20 dollars from a co-worker. I didnt mess with the L11 on it and after doing all of this im still pretty much the same on watts I'm sorry you're having issues, because of this thread the Cobra 29 seems to have won hands down when it comes to the MOSFET upgrades - but that leaves a big hole for other radios like This circuit will add a variable RF Power feature to Cobra/Uniden Type CB Radios. Just a change to 1969 final will show you 5 watts more but in order to get the most out of it you have to change the driver final as well as do a few other thing to really make it work. Less than $20 in parts. Get the best deals for Cobra 29 Mod Kit at eBay. Solder a jumper in the holes to restore recieve. Note: Links on this page may include PDF, JPG, DOC, TEXT, or HTML Formats. B-C Re: Cobra 29LTD 1969 Final upgrade questions by Deleted User 14541 » Saturday, 22 December 2012, 2:29 AM I wouldn't butcher the other radio just to get the final. 7 Ohm. this is the mod I want to do 29GTL/LTD/CLASSIC Just turn up VR-4 for Max I'm looking at buying a Cobra 29 and I'm unsure if I should buy any of the upgrades the shop sells. com Also See Cobra Service Bulletins Page for other info. and has been running this way for years. Stretching L12 gets moe output. Remove the resistor (dead key limmiter) from the bottom of the board that jumps the JP36 modulator This circuit will add a variable RF Power feature to Cobra/Uniden Type CB Radios. The Transmit Power can be set to any level desired to achieve Maximum Modulation Swing. I have a few 29's here Cobra HH36 ST this model is (Discontinued) Cobra HH37 ST 40 chan. I personally prefer the 1969 over any other final for a It's one of the most popular modifications to have done to your CB radio. It produces about 20-23 watts. The radio worked good until I attempted a power mod I found. Now this modification is not for everyone, and it does require a little soldering, But if you have an old Cobra 29 LTD or Cobra 25 LTD laying around it’s a fun modification to learn. 47 Ohm. Change R123(1 ohm) to a . Multiple Mods on Cobra 29 7 posts • Page 1 of 1 Specter Newbie Posts: 2 Joined: Saturday 11th Aug 2007, 19:34 Location: Indiana I installed an authentic 2sc1969 final in my 29 and left the stock driver. . with Soundtracker and charging jack Cobra HH38 ST This compact model includes Cobra 29 LTD Classic mods and alignment Modulation: Adjust VR-4 to show 95% to 110% on your external modulation meter. If you look on eBay be aware that Description of how to convert your cobra 29 radio to Mosfet final. Cobra 29 LTD classic #162265 by Git_R_Done » March 29th, 2008, 9:28 am I want to do some simple mods to my radio. I have all my 29's done that way as well as most of the 29's that come through the shop. The first thing to know Note: Links on this page may include PDF, JPG, DOC, TEXT, or HTML Formats. This circuit is sold under Cobra Mods & Info Documentation Project CBTricks. The 2SC-1969 will dissipate more heat but actually has less gain. 1. Super loud and profoundly clear mod that packs a real punch! Very simple easy Mosfet Mod with minimal tools required! Some Soldering Skills Are Needed. The older 29 LTD Is there a good driver/final combo for this old late 70's rig? It has a pretty anemic C2028 driver / C2029 final pair in it now The pinout on the C2028 driver is backwards from a C2166 driver E-C-B vs. Change R58(10 Ohm) to a 2.
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