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Cobra 2000gtl Audio mods. - WorldwideDX Radio Forum
https://www.worldwidedx.com/threads/cobra-2000gtl-audio-mods.30792/
This was posted a while back as a complete set of mods for audio: Also applies to: Cobra 148GTLF Cobra 2000GTL Undien Grant XL Uniden Grant LT 1. Carrier Adjustment: VR10. If lower carrier is desired, change R196 near VR-10. Try about 270 ohms. 2. Change R114 to a 10K, and C46 to a .2 monolithic, this will widen up the audio on AM. 3. The AMC is TR-26.
Cobra 2000 GTL Modifications - CB Radio | Citizens Band …
https://cqdx11.com/blog/cobra-2000-gtl-modifications/
Hand Mic to Desk Mic Upgrade. Just fitted a CPI base mic to my Cobra 2000 GTL for ease of use. I used the cord and complete guts of hand mic to make it work. First inserted cord plus PTT S/W in Desk Mic by cutting the actuator and affixing under push bar, but the mic insert the wrong impedance with no drive at all, so replaced it with original ...
COBRA CB RADIOS MODIFICATIONS - Citizens Band Radio
https://cqdx11.com/cb-radio-classics/cobra-cb-radios-modifications/
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 Mod Meter VR7 AM Signal meter VR1 142GTL Lift the Emiter leg of TR32, and insert a 1K resistor from the leg to ground. Adjust L36,L37 for max RF output AM Power VR6 SSB Power VR7 VR1 “S”Meter VR2 Squelch VR3 TX Freq VR12 Mod Meter
RadioMods Cobra Mods and Tuning List
https://www.radiomods.co.nz/cobramodslist.html
A page which list's the modulation boosts and tune ups for the cobra range of radio's. Modifications Cobra Modification And Tuning List . Click Here to load into my sites frames ... 2000 GTL: CUT R131: VR10, (ssb)VR11: GTL 150: RV14: RV13, (ssb)RV12, RV4:
Stuck Meter Cobra 2000 [XALWRP] - trasloco.bari.it
https://trasloco.bari.it/Cobra_2000_Meter_Stuck.html
I have freed up my meters on my Cobra 2000 Gtl 1. The EVAP canister purge valve is normally closed. Part Number: 105-201011. The #1 job site in Canada. Sadelta 1- White 2- N/C 3- Green 4- Shield 5- Brown. Although it is rare for the thermostat on an outboard motor to fail, it does.
Cobra 2000 BIG AUDIO!!! at silicon two one two dot org
http://www.silicon212.org/CB/c2000.htm
Reduced Carrier mod aka npc/rc. Today, we're going to modify a Cobra 2000 GTL base station for BIG AUDIO. Parts needed: 1 10 microfarad, 25+ volt electrolytic capacitor Wire or other suitable material to create jumper shunt Blown up, non-operational source radio for parts. This file has been edited to repair formatting and other screwups.
Cobra 2000 Kit Inst - Lester's Customs
http://lesterscustoms.com/cobra_2000_kit_inst
8719-192-L-PLCC Cobra 2000 KIT INSTRUCTIONS NOTE: RADIO MUST BE IN ORIGINAL CHANNEL CONFIGURATION. ALL CHANNEL MODS MUST BE REMOVED AND COMPONENTS RETURNED TO ORIGINAL CONDITION. Presteps; Replace the MB8734 PLL with an MB8719, MMB8719 or a RCI8719-99 PLL. It is recommended you replace X3 (11.3258) with the …
CB TUNE MODS - QSL.net
https://www.qsl.net/k1usb/tune_up.html
cobra 2000 gtl modulation: vr12 or cut r131 am power: vr10 ssb power: vr11 am signal meter: vr1 ssb signal meter: vr2 squelch: vr3 carrier balance: vr4 tx freq.: vr5 tx meter: vr6 modulation meter: vr7 final bias(50 ma): vr8 driver bias(25 ma): vr9 power tweak: 1. remove tr24 2. replace r126 (10k) with a 2.2k 3. replace r124 (10k) with a 4.7k
Cobra 2000 GTL restorations - Ham and CB Radio
https://www.computer7.com/cobra-2000-gtl-restorations/
Without him and his brilliant skills this Cobra 2000 wouldn’t have got done. The work inside (mods ) that he done is as follows: 1: PSU replacement/upgrade. 2: Home made FM BOARD and Eprom. 3: Turbo 3 echo board. 4: Built in amplified Talk back and internal speaker for all modes. 5: Clock mod adding seconds to display and separating digits.
Cobra 2000 GTL Review - CB and Ham Radio - Ham and CB Radio
https://www.computer7.com/cobra-2000-gtl-review/
Cobra 2000 GTL Overview. The Cobra 2000 CB Radio was first manufactured in the early 1980’s by the Dynascan Corporation in Chicago USA. It is a 40 Channel AM/SSB rig with built in frequency counter, 13.8V power supply and it’s own external speaker. The Cobra 2000 was perhaps the most legendary CB ever produced and even today it is a sort after radio.
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