Pro Reverb Voltages

[bobloblaws]

I just put new 6L6's and a new GZ34 rectifier in a 1972 Pro Reverb. The GZ34 replaces a weak 5U4GB. The tube chart indicates a 5U4 rectifier but does not...

[PfeifferElectronics]

I have a new build of a blackface pro reverb. If I turn the reverb up past 4 or 5 it begins to oscillate. Ideas on what would be causing this?
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[goldtop5]

I have a vintage Fender Pro Reverb (model: AA165) that's making a loud squealing noise. It goes away when I remove the last pre amp tube (12at7), but get...

[modusmongo]

Thanks and a tip of the hat to MWJB; my Pro Reverb is now working. However, the reverb is not working, and is making some noise when I turn up the reverb...