Model 72 Coupe Hardtop All Tube guitar amp head
Power Amp Tubes 4-6L6GC power tubes using AUTOKRUISE™ biasing scheme
Preamp Tubes 4-12AX7 preamp tubes(2 preamp, 1 effects loop, 1 phase inverter)
Output Power 72 W RMS 16, 8, or 4 Ohms @ 5% THD
Input Impedance
Hum & Noise -85 dBV Residual Noise, all level controls 0% (minimum)
50 dB Rhythm Channel Nominal gain, Input 1, Volume @ 5
64 dB Rhythm Channel Maximum gain, Input 1, Volume @ 10
75 dB Lead Channel Nominal gain, Input 1, Volume @ 5
90 dB Lead Channel Maximum gain, Input 1, Volume @ 10
+10 dB Maximum gain of footswitchable Volume Boost
+3 dB Gain increase at 1 kHz when Bright is pulled
-6 dB Gain decrease when using Input 2
34-44 dB Power amp gain(Effects Return to Speaker, depending on Boost)
Nominal Signal to Noise
70 dB Rhythm Channel, with Volume half and Master Maximum, Boost on 10
0.15 VRMS (-16 dBV) Levels w/Boost on 10 to reach full power output
0.6 VRMS (-4 dBV) Levels w/Boost on 0 to reach full power output
Effects Send Tube driven, Nominal load >10k ohms
Effects Return Tube driven, >100K ohm input impedance
Footswitchable Boost
Master Volume Boost Adjustable from 0 to +10dB boost AFTER the Effects Loop
After power amp with speaker emulation
Output level Adjustable from 0 to +6 dBV, nominal -3 dBV
USA/Canada 120VAC/60Hz, 300W nominal
Europe 230VAC/50Hz, 300W nominal
UK 230VAC/50Hz, 300W nominal
Australia 240VAC/50Hz, 300W nominal
Japan 100VAC/50-60Hz, 300W nominal
mm/kg 304 mm (Height) x 686 mm(Width) x 276 mm(Depth), 18.6kg
Inches/Pounds 12" (Height) x 27" (Width) x 10.875" (Depth), 41 lbs
All measurements taken with 1 KHz input
signal, Tone controls flat, Volume Halfway
and Master Maximum, Boost on 10,
Reverb controls at 0. Measured at speaker
jack at 16 ohms unless noted.
