Fender Pro Reverb Ultra Linear modified to sound more like a Blackface..

Lovely looking amp! well worn!Lovely looking amp! well worn!Sounding very hard and loud but all working!Sounding very hard and loud but all working!Nice speaker upgradeNice speaker upgradeOn the benchOn the benchStill 1982 caps... a bit tired.. and dentedStill 1982 caps… a bit tired.. and dentedNew power supply transformerNew power supply transformerUsual 70s rats nest..Usual 70s rats nest..DSC_1770Ultralinear output TxUltralinear output TxSimple converted to Linear and now sounding better already!Simple converted to Linear and now sounding better already! Ulta Linear Pro Reverb in for some calming down.. Customer wanted her to sound more like a 40 Watt Pro Reverb. Firs job was to remove the ultra linear taps

2 thoughts on “Fender Pro Reverb Ultra Linear modified to sound more like a Blackface..

  1. Very interesting to use that sag resistor. What was the original B+ (around 500V or more?) and how much voltage drop did you achieve by using the 470R in the end??

    Regards,
    Mark

    • Do you know I really do not remember how much sag it gave… probably around 40V at normal bias dropping more when the amp is cranked.. it did give her noticeable sag/compression when the amp was turned up.

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