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BASIC SPECIFICATIONS
SUSTAINED POWER OUTPUT:
60 watts per channel.
PEAK POWER OUTPUT:
130 watts per channel.
HARMONIC DISTORTION:
Less than 0.5%, 20- 20,000 cycles per second at 60 watts.
Less than 0.1%, 20- 20,000 cycles per second at 20 watts.
Unmeasurable at normal listening level.
INTERMODULATION DISTORTION:
Less than 0.5% at 60 watts.
Less than 0.2% at 20 watts.
Unmeasurable at normal listening level.
FREQUENCY RESPONSE:
60 watts. 18- 40,000 cycles per 0, -1.0 db.
20 watts. 12- 60,000 cycles per 0, -1.0 db.
1 watt. 2- 80,000 cycles per 0, -1.0 db.
OUTPUT IMPEDANCE:
4, 8, and 16 ohms per channel.
DAMPING FACTOR:
Greater than 18.
FEEDBACK
Total 30 db. Achieved through multiple loops.
HUM AND NOISE:
Better than 90 db below 60 watts.
POWER SUPPLY:
Close B+ regulation through use of low Z silicon diode
rectifier power supply.
SENSITIVITY:
1.5 volt RMS input for 60 watts.
STABILITY:
Unconditionally stable under any load.
INPUT RECEPTACLES:
One for each channel. One input for A.C. balance adjustment.
CONVENIENCE RECEPTACLE:
One A.C. convenience receptacle.
CONTROLS:
Four bias adjust controls. One for each output tube. Two
A.C. balance controls.
FUSE
A.C. primary, externally accessible.
CONSTRUCTION:
Military terminal board construction with all components held
to rigid tolerances.
TUBE COMPLEMENT:
Total 10 tubes, 5 semi-conductors. 6- 12BY7A pentodes; 4-
KT88/6550 beam power pentodes, 4 silicon rectifier diodes,
and 1 selenium rectifier.
POWER CONSUMPTION:
350 watts.
DIMENSIONS:
16⅜˝ wide x 9˝ high x 11½˝ deep.
WEIGHT:
60 lbs.
FINISH:
Charcoal brown and gold.
