Princeton Reverb - Reverb altering tone issue?

Discussion in 'Amps and Cabs' started by deadletteroffice, Apr 1, 2015.

  1. deadletteroffice

    deadletteroffice Member

    Sep 28, 2010
    Lake Balboa, CA
    The power tubes were changed not very long ago. 6 months? At the same time V1 and V2 were changed to NOS. I rolled all 4 V1-V4 and then swapped out each one at a time tonight and could not make this stop happening with a tube swap.

    What the hell could be causing engaging the reverb to increase the treble like this? By clicking the reverb on it's almost like clicking a Wah on and off.

    With dirt and then clean:


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