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RadioMods Cobra 148 GTL modification page
https://www.radiomods.co.nz/cobra148gtlmods.html
A page with modifications for the cobra 148 gtl. Cobra Mods. This page describes modifications for the Cobra 148 GTL (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 …
Cobra 148 GTL DX MK1 - Mic Audio Mod - Transmission1
https://www.transmission1.net/viewtopic.php?t=59712
Re: Cobra 148 GTL DX MK1 - Mic Audio Mod. Post. by ch25 » 10 Nov 2021, 13:28. MKT - mylar. I use even 4.7uF in some radios. Start with 470nF, difference to current ones will be huge. For a try no need to replace, just add new, parallel to existing ones on the foil side. WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL.
RadioMods Cobra 148 GTL DX modification page
http://radiomods.co.nz/cobra148gtldxmods.html
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 ...
Cobra 148 gtl dx ss360fm pb010ab wider audio mods tx …
https://www.worldwidedx.com/threads/cobra-148-gtl-dx-ss360fm-pb010ab-wider-audio-mods-tx-rx.166232/
Cobra 148 gtl dx ss360fm pb010ab wider audio mods tx Rx. Discussion in ' General CB Services Discussion ' started by Abikerlad, Mar 4, 2014 . When comparing the pb010ab Cobra to the later anytone 5555 etc there is a much fuller sound coming from the anytone, the old pb010 cobra has the bass rolled off compared to the fuller sounding anytone. I ...
Cobra 148 GTL DX MK1 - Mic Audio Mod - Page 3 - Transmission1
https://transmission1.net/viewtopic.php?t=59712&start=30
Re: Cobra 148 GTL DX MK1 - Mic Audio Mod. Post. by ch25 » 23 Nov 2021, 18:48. Now your microphone is a bottleneck. Use this wm61a. Mod is simple. Put cap and resistor inside radio. 8V is present inside in many places. xm8500 works good plugged directly, no need for extra gear. WE ARE MOTÖRHEAD, AND WE PLAY ROCK N' ROLL.
275GhostRider.com World of Radio *COBRA 148 GTL*
http://275ghostrider.com/CB_Radio_Mods/Cobra_148_GTL.htm
CB RADIO Mods. COBRA. 148 GTL. Power Tweek and Modulation. Change R126 to a 2.2k ohm resister. Change R124 to a 4.7k ohm resister. Remove TR24; Re-tune L37 and L38 for maximum forward AM power. Adjust VR10 for maximum PEP on AM. Adjust VR11 for maximum PEP on …
Copper Talk: Cobra 148 GTL Mods Needed
http://www.copperelectronics.com/discus4/messages/3847/15635.html?1134764052
Cobra 148 GTL Power Tweek and Modulation 1) Change R126 to a 2.2k ohm resister. 2) Change R124 to a 4.7k ohm resister. 3) Remove TR24 4) Re-tune L37 and L38 for maximum forward AM power. 5) Adjust VR10 for maximum PEP on AM. 6) Adjust VR11 for maximum PEP on SSB. I do not recommend cutting R131 which limits the modulation.
COBRA CB RADIOS MODIFICATIONS - Citizens Band Radio
https://cqdx11.com/cb-radio-classics/cobra-cb-radios-modifications/
The original information pertains more to the Cobra 148 GTL than the 2000.? I’ve also added my own tweaks.? This modification is known as the Negative Peak Compression / Reduced Carrier mod aka npc/rc. Cobra 2000GTL BIG AUDIO MOD! This puts ‘BIG RADIO’ sound into your venerable, classic Cobra 2000 GTL base unit on AM. And, it does it cleanly!
Cobra 148 GTL - Bells CB
http://www.bellscb.com/products/cbradios/cobra/Cobra_148_gtl.htm
Cobra 148 GTL! Professional driver-requested improvements include a front panel microphone connector for convenient in-dash installation, 9 foot microphone cord for easy reach anywhere within the cab, and tactile controls for added convenience and safety when adjusting functions.
Mod Cobra 148 [7QFROJ]
https://omichiku.bed-and-breakfast.molise.it/Cobra_148_Mod.html
This is the manuals page for Cobra. Cobra 148 GTL Audio and Power Mods. cobra 148f-gtl. f/s cobra 148gtl. 815 to 28045. In-box reviews. 2K RECEIVE IMPROVEMENT! The stock AM dection diodes are 1N60P Devices, Replace them with ECG-583 Schottky Diodes. NOISE BLANKER IMPROVEMENT! D1 & D2 can also be Replaced with ECG-583 Schottky Diodes.
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