Manley SE / PP 300B RETRO AMPLIFIER - Manual (Page 9)

SPECIFICATIONS
Vacuum Tubes: 2 x 300B (Output), 1 x 6SN7 (Driver),
1 x 6SL7 (Input) 2 x 5U4 (Rectifier)
Output Power @ 3% THD SINGLE-ENDED: 0 dB FB - 18 Watts
SINGLE-ENDED: 10 dB FB - 25 Watts
PUSH-PULL: 0 dB FB - 36 Watts
PUSH-PULL: 10 dB FB - 42 Watts
Frequency Response +/- .5 dB SINGLE-ENDED: 0 dB FB - 15 Hz - 6 KHz
(measured at 5 watts) SINGLE-ENDED: 10 dB FB - 15 Hz - 28 KHz
PUSH-PULL: 0 dB FB - 10 Hz - 12 KHz
PUSH-PULL: 0 dB FB - 10 Hz - 60 KHz
Input Sensitivity 1 V nominal, depends on feedback setting
Input Impedance 75 KOhm unbalanced, 220 Kohm balanced
Load Impedance 4 to 12 Ohm appropriate for 4 & 8 ohm speakers
12 to 20 Ohm appropriate for 16 ohm speakers
S/N ratio @ 33 watts Typically 100 dB or a -76 db noise floor 10Hz-30K
Power Consumption 216 Watts
Mains Fuse 100, 110, 120V 2 A (Slo-Blo)
220, 240 V 1 A (Slo-Blo)
Lamp 1/4 X 1 1/4 Fuse lamp - 8 volt, 0.3 amp
Dimensions W=8, D=21, H=7 inches
Shipping Weight 30 lbs EACH