Fender Vibrosonic Reverb

One of Fender's 135W Ultralinear models, with a nice JBL D130 speaker.  Changed out the electrolytic caps, "Blackfaced" the bias, negative feedback, reverb, and phase inverter circuits, added reverb and tremolo to the normal channel, and gave the normal channel a slightly different voicing.  

I also changed the master volume control to a defeatable post-phase inverter type and added another node to the power supply so I could remove the ultralinear taps and wire the output stage like any old Fender.  It's more or less a Blackface Twin Reverb now - just with a big 15" speaker.

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