Search found 2 matches

by CHOAB
Tuesday 24th Feb 2009, 8:50
Forum: CB Radio Modifications
Topic: Cobra 19 DX IV mods???
Replies: 24
Views: 74786

Re: Cobra 19 DX IV mods???

Here is a picture of the Cobra 19 DX IV / ULTRA audio limiter diode that the famous 631 mentioned, as you can see I desoldered one leg incase I decided to put it back (good enough). I did not add a capacitor and resis on DM2 to lower deadkey though I would reccomend that for driving a linear amplifi...
by CHOAB
Thursday 27th Nov 2008, 13:18
Forum: CB Radio Modifications
Topic: Cobra 19 DX IV mods???
Replies: 24
Views: 74786

Cobra 19 DX IV mods???

When I modded the 19 Ultra III (19 DX IV without RF gain), I cut the mod limiter, tuned the output coils, and with a 13.8v supply i was able to do 7 watts swinging almost 9 watts into the dummyload. I would much rather the radio have a low dead key, I read the post above that suggested putting a 220...