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Hi Bruce, I wrote to Handy Andy and he said that the issue is with the 7.8MHz IF filter, the large gray one in shrink wrap. Andy sent me a nice write up that involved a bit more than I ended up doing. I'm hoping that he'll post it here. What I did was I removed the shrink wrap and...

Hi D. B., I just acquired a Cobra 148 that receives fine on AM but has the same low-level SSB receive that you described. I have yet to re-cap the unit but was not happy to hear that you did, and the issue still remains. Have you made any further progress in resolving the issue? Regards...

Thanks for the info Nomad Radio. I know the previous owner used the amp to talk skip on AM. I guess that's why it hasn't yet blown up. I wondered about the twisted RF input/output wires myself. Why would someone do that? Looks like a recipe self oscillation, as you pointed out. I...

Hi Jeff, here are the pics. Maybe it's similar to another amp you or the others might know of. Regards, Frank

Hi All, I just received a Fox 400 linear and was hoping that someone out there has a copy of its schematics. It's a 4 pill (1446) amp that's built better than some I've seen. Anyway, thanks. Be well.