The Defpom Forum, for RadioMods, S&M Software and Music by The Defpom

I found two mentions of the mod elsewhere on the internet, but no information on installation was given.
http://www.worldwidedx.com/cb-band-cb-r ... #post23032
http://home.ptd.net/~n3cvj/cobra135.htm

I've got a mid 70's Cobra 135 base that I'd like to use for SSB Dx. It's a 23 channel radio, and has really good sounding audio and a great receiver section. I'd like to use it on sideband, but most LSB calling happens up on channel 38. This presents a bit of a problem on a 23 channel radio. I read ...

Thanks Defpom, I appreciate the help. I'll check the display segments tonight.

I was able to successfully install an IRF520 MoSFET final in a Cobra 18WXSTII+. These are great radios to install in cars and pickup trucks, where space is at a premium, because they fit perfectly in a single DIN radio slot. A modified 18WXST will Dead key at around 10 watts, swinging to 30. Parts n...

I've been messing around with a 19 Ultra III lately for the hell of it. I replaced the stock final with a IRF520 MosFET, just to see if I could, using a homebuilt equivalent of an ERF en-1230 companion part. With a little tweaking, the radio now dead keys at 2 watts, swinging to 10+. I'm wondering w...

Radio Make and Model: Cobra 25 LTD Classic Test gear available: Multimeter, VTVM, Heathkit Oscilloscope Symptoms: I attempted to replace the channel display LED in a Cobra 25 that had a few blown segments to the stock LED. After replacement, the channel LED no longer lights. A few segments of the se...