Tag: output

Quick Fix: Ampeg V-4 Guitar Amp

Doktor Ross SewageLeave a comment

My boss Mauz’s Ampeg V-4 had cut out. It was very strange… one day he was at practice, and shit first started cutting in and out. Then it stopped making sound altogether. It still had power, which was the weirdest part. This beauty (one of my favorite amps of all time) had to be resurrected.

Ampeg V-4

As I’d already fixed multiple problems on my own V-4B, which is almost exactly the same amp minus a reverb circuit, I was unafeered of delving into Mauz’s. I think he was more afraid than I was. Despite knowing it was in my successful-yet-amateurish hands, it was his baby. His mojo. His tone. He shouldn’t have been worried.

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Half the Amp I Used To Be

Doktor Ross SewageLeave a comment

I had gotten about half way through a really great post for this week over the last few days, but disaster struck. My Ampeg V-4B went SNAFU. I smelled something smoking at practice. I thought it was my strings from some awesome bass licks. Nope, I had a tube red plating in the back if my amp. It was about to blow. I turned everything off and had to figure this shit out. I had a show in Canada to play and no back up amp!

Ampeg-v-4b-open

Over the next couple days, I checked shit out. I tested all the tube socket voltages with the tubes out, in case it was feeding my tubes too much voltage or not draining enough. This is dangerous territory here and not for the inexperienced. We’re talking leads getting 560V. That will kill you. Long story short, everything tested fine. So, WTF?

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