Search results

Tried the Reverb tank from a Mark I reissue. Still no joy. Put the Mark IV back together and I now have reverb again. Thanks for the advise, looks like you were spot on.

Folks, My Mark IV combo's reverb quit reverbing last night. It still makes the god awful "reverb tank got banged" noise when you thump on the cabinet. But no reverb of the signal is hapening and the trim pot for the reverb has no effect. I switched out the v3 and v4 with no luck. Any...

If that fixes the problem then one of your new preamp tubes is bad.

My apologies if this has been covered previously. Is there any risk or down side to the amp or the tubes in running THD YellowJackets in the outside sockets of my Mark I. Call it poor man's Simulclass. Thanks in advance, -p

Just put a set of GT6V6 #5's in my Mark I and I am definately getting the magic sound. Best $60.00 I ever spent! -Paul