Technical specifications

POWER OUTPUT
100 watts per channel continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 0.5% at 100 watts, below .05% at 1 watt. Approximate actual power available at "clipping": 120 watts.

POWER BANDWIDTH
(-3dB points) 10Hz to 40kHz

FREQUENCY RESPONSE
(-3dB points at 1 watt) 0.8 Hz to 40 kHz

INPUT SENSITIVITY
1.1V RMS Single-ended for rated output. (28dB gain into 8 ohms)

INPUT IMPEDANCE
100K ohms Single-ended

OUTPUT TAPS
8 ohms, 4 ohms

OUTPUT REGULATION
Approximately 0.9dB 8 ohm load to open circuit

OVERALL NEGATIVE FEEDBACK
12.7dB

DAMPING FACTOR
Approximately 11

DISTORTION
1kHz total harmonic distortion typically 0.5% at 100 watts, below .05% at 1 watt

SLEW RATE
6 V/µs

RISE TIME
10 µs

HUM & NOISE
Less than 0.2mV RMS - 103dB below rated output (IHF weighted, input shorted)

POWER SUPPLY ENERGY STORAGE
Approximately 332 joules

POWER REQUIREMENTS
105-125VAC 60Hz (210-250VAC 50Hz) 620 watts at rated output, 900 watts maximum, 400 watts at "idle"

TUBE COMPLEMENT
(4 matched pairs) 6550EH power output, (5) 6N1P input and driver

OTHER
Output polarity: Non-inverting. Voltmeter test points for bias. 12 VDC in/out trigger. Detachable 14 gauge AC line cord with IEC socket.

DIMENSIONS
17½" (44.5 cm) W x 7.9" (20.1 cm) H x 19" (48.3 cm) D. Rear connectors extend .88" beyond chassis

WEIGHT
61 lbs. (27.7 kg) Net; 69 lbs. (31.4 kg) Shipping.