Fender '65 TWIN REVERB Manuel du propriétaire - Page 6
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Également pour Fender '65 TWIN REVERB : Diagramme de service (2 pages), Manuel d'instruction (17 pages), Manuel d'utilisation (20 pages)
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A. HUM BALANCE ADJUSTMENT-This adjustment minimizes hum heard at the speakers. It is set at the factory, and needs to be
adjusted only if any of the smaller tubes, especially any of the 12AX7As, are replaced. Before making the adjustment, be
sure that the hum or buzz cannot be eliminated by toggling the ground switch.
To make adjustment: With nothing plugged into the amplifier, rotate the VIBRATO CHANNEL volume, middle, and bass
controls full clockwise. Rotate the VIBRATO CHANNEL treble control, and all the NORMAL CHANNEL controls full
counter-clockwise. Turn REVERB and VIBRATO features off.
Insert a slotted screwdriver into the HUM BALANCE CONTROL and rotate it back and forth until you find the null (setting
of minimum hum). If you have any questions, consult your authorized Fender Service Center.
B. BIAS ADJUSTMENT-This is a factory adjustment only. Should the bias need adjusting, it should be performed by your
authorized Fender Service Center.
ADJUSTMENTS
BOTTOM VIEW
B
A