Cobra 139 Tune Up

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38Special
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Joined: August 16th, 2006, 10:51 am

Cobra 139 Tune Up

#37949

Post by 38Special »

I recieved my tune up book today, and I plan on tuning up my old 139 just to see how it goes, and if I can make it any better. It only puts out about 3 watts, and 60-65% modulation.
Where can I find the rest of the adjustments? My rf power meter works, but I don't get any meter movement on recieve unless it's a strong signal. Aren't there about 10 adjustments total? And for the modulation adjustment... just a long Aaaahhh into the mike and shoot for 100%??? Any tips? Thanks TJ
"The Smallest Station In The Nation"!!! Makin' lots of rackit in a small area!
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BigBopper

#37975

Post by BigBopper »

Radio,,,,,,,,, Mod Boost,,,,,,,,,,, Power
139,,,,,,,,,,VR12 or CUT D63,,,,,,, L12, L10, (ssb)VR15
139 XLR,,,,,,,,VR7 & VR6 ,,,,,,,,,AM VR8, (ssb)CT7
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