RUTGERS REVERB TECHNICAL DETAILS
Power
Rectifier Tube
Pre-Amp Tubes
Power Tube(s)
Built-In Effects
Speaker
Dimensions (W H D)
Weight
23W RMS
1 x 5AR4
2 x 12AX7, 2 x 12AT7
2 x 5881 or 2 x 6L6GC
Spring Reverb, Tremolo
1 x 12” 8 Ohm
20 x 18.5 x 9.5
35 lbs.
CHANGING TUBES
Preamp tubes are cathode biased, or self-biasing. You may replace
these tubes without rebiasing. When replacing power tubes,
remove the rear panel to access the two 1 ohm current sensing
resistors and bias adjustment potentiometer on the left side of the
turret board. Set the bias so the the current through either cathode
is an average of 45mA.
As a guideline, we recommend replacing preamp tubes at least
every 3 years. Replace the power tubes and phase inverter every
12-18 months. With cathode biased amps, sooner is better than
later. These recommendations are rather broad and your
experience may vary based on actual usage.
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