12
6505
™
Tube Guitar Amplifier
SPECIFICATIONS
Power Amplifier Section:
Rated Power and Load:
120 W RMS into 16, 8, or 4 ohms
Power @ Clipping:
(Typically @ 5% THD, 1 kHz, 120 V AC line)
130 W RMS into 16, 8, or 4 ohms
(Bias must be reduced to measure)
Frequency Response:
+0, -3 dB, 50 Hz to 20 kHz, @ 100 W RMS into 8 ohms
Hum & Noise:
Greater than 75 dB below rated power
Power Amp EQ:
Active Presence: +10 dB @ 2 kHz
Active Resonance: + 10 dB @ cabinet resonant frequency
Power Consumption:
400 watts 50/60 Hz, 120 V AC (Domestic)
Preamp Section:
The following specs are measured @ 1 kHz with the controls preset as follows:
Low & High EQ @ 10
Mid EQ @ 0
Bright out
Lead & Rhythm Posts @ 10
Presence & Resonance @ 0 dB
Nominal levels with Pre Gains @ 5
Minimum levels with Pre Gains @ 10
Preamp High Gain Input:
Impedance: Very High-Z, 470K ohms
Lead Channel:
(with channel select in)
Nominal Input Level: -80 dBV, .1 mV RMS
Minimum Input Level: -92 dBV, .025 mV RMS
Clean Channel:
(with channel select out)
Nominal Input Level: -34 dBV, 20 mV RMS
Minimum Input Level: -50 dBV, 3 mV RMS
Maximum Input Level: 0 dBV, 1.0 V RMS
(Subtract 16 dB with Crunch switch in)
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