All-Tube Guitar Amplifier SPECIFICATIONS
POWER AMPLIFIER SECTION
Four 6BQ5/EL84s with 12AX7 driver
Rated Power & Load:
30 W RMS into 16 or 8 ohms
Power @ Clipping (Typically):
(5% THD, 1 kHz, 120 VAC line)
3O W RMS into l6 or 8 ohms
(Bias must be reduced to measure.)
Frequency Response:
+0, -2 dB, 50 Hz to 15 kHz, @ 20 W
RMS into
16 ohms
Hum & Noise:
No greater than 80 dB below rated
power
Power Consumption:
150 watts, 50/60 Hz, 120 VAC
(Domestic)
PREAMP SECTION
Two 12AX7's
The following specs are measured
@ 1 kHz with the controls preset as
follows:
Pre & Post (lead) @ 0
Reverb Level @ 0
Bass & Treble EQ @ 12
Middle EQ @ 0
Channel Select Out
Classic
®
Boost Switch Out
Nominal level is with Input Gain @ 6
Minimum level is with Input Gain @ 12
Preamp Normal Input:
Impedance: Very high Z, 470 K ohms
Lead Channel (Post Gain @ 12):
Nominal Input Level:
-40 dBV, 10 mV RMS
Minimum Input Level:
-70 dBV, 0.3 mV RMS
Normal Channel (Post Gain @ 12):
Nominal Input Level:
-17 dBV, 140 mV RMS
Minimum Input Level:
-28 dBV, 40 mV RMS
Maximum Input Level:
0 dBV, 1.0 V RMS
Equalization:
(Lead and Normal Channels)
Custom bass, middle, and treble
passive-type EQ
Effects Send:
Load Impedance: 1 K ohm or greater
Nominal Output Level: -6 dBV, 0.5
V RMS
30
Effects Return:
Impedance: High Z, 2 M ohms
Designed Input Level: -6 dBV, 0.5
V RMS
(Switching jack provides Effects
Send to Effects
Return connection when not used.)
External Footswitch Function:
Jack 1: Reverb Defeat (when re
verb control is raised)
Jack 2: Normal/Lead Channel
Select (when Lead activated),
Boost on/off
Speaker (Combo Only):
One 12" Blue Marvel, 16 ohms