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This amplifier has just arrived and is being sold on behalf of a valued client. It comes boxed and in excellent condition. The valve have done approx 930 hours so plenty of life in them still.
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POWER OUTPUT
70 watts continuous from 20Hz to 20kHz. 1kHz total harmonic distortion typically 1% at 140 watts (33 watts in Triode mode) per channel, below 0.04% at 1 watt (Note that actual power output is dependent upon both line voltage and “condition” i.e.: if power line has high distortion, maximum power will be affected adversely, although from a listening standpoint this is not critical)
POWER BANDWIDTH
(-3dB points) 7Hz to 68kHz
FREQUENCY RESPONSE
(-3dB points at 1 watt) 0.7Hz to 94kHz
INPUT SENSITIVITY
1.4V RMS Balanced for rated output. (25.5 dB gain into 8 ohms);
0.7V RMS SE for rated output.
INPUT IMPEDANCE
300K ohms Balanced, 75K ohms Single Ended
OUTPUT POLARITY
Non-inverting. Balanced input pin 2+ (IEC-268)
OUTPUT TAPS
16 ohms, 8 ohms, 4 ohms
OUTPUT REGULATION
Approximately 1.0dB 16 Ohm Load to Open Circuit
(Damping factor approximately 8)
OVERALL NEGATIVE FEEDBACK
15dB
SLEW RATE
10 volts/microsecond
RISE TIME
4.0 microseconds
POWER REQUIREMENTS
105-130VAC 60Hz (210-250VAC 50Hz) 420 watts at rated output,
280 watts in Triode mode, 221 watts at “idle”, 3.6 watts off Units for Japan: 100VAC 50/60Hz
TUBES REQUIRED
2 matched pair KT150 (Power output V1-V4); 2 6H30 (Gain stage V5, V6)
DIMENSIONS
Width 18.5” (47 cm) chassis; 19.0” (48.26 cm) faceplate.
Height 10.5” (26 cm)
Depth 18.5” (47 cm)
With handles & connectors: 21” (53.3 cm)
WEIGHT
62 lbs. (28.2 kg) Net; 73 lbs. (32.7 kg) Shipping.