Frequency Response (100K load) 2 Hz to 100 kHz ±0.5 dB > 350 kHz -3.0 dB
THD & N (@ 1 V output) < 0.1% from 20 Hz to 20 kHz typically < 0.03% @ 1 kHz
Gain 22 dB @ 1 kHz (single-ended) 28 dB @ 1 kHz (balanced)
Noise 120 uV unweighted (balanced outputs,
volume control @ 12 o’clock)
-85 dB below @ 2 Volt R.M.S. output
SMPTE (IMD) @ 2 V output < 0.05%, typically 0.03% (balanced)
Input Impedance 50 K ohms (single-ended) 100 K ohms (balanced)
Output Impedance 160 ohms @ 1 kHz (single-ended) 320 ohms @ 1 kHz (balanced)
Minimum Recommended Load Impedance 10 K ohms
Output Voltage (100K/100pf & 10K/1000pf loads) Maximum 30 V R.M.S. (single-ended)
Maximum 60 V R.M.S. (balanced)
Maximum Input 2.5 V R.M.S. (Volume control fully clockwise)
Stereo Separation (Crosstalk) 70 dB @ 1 kHz (single-ended) 75 dB @ 1 kHz (balanced)
Power Requirements 135 VA (75 VA in standby mode) 50/60 Hz
1.1 Amps @ 120 V A.C.
Fuse Requirements (2) 1.5 Amp 250 V fast-blo (100 V to 120 V Countries)
0.75 Amp 250 V fast-blo (200 V to 240 V Countries)
Tube Complement 8 - 6922 (6DJ8 types)
Dimensions 19” Wide x 13” Deep x 4.5” High (each chassis) (48 cm x 33 cm x 11.5 cm)
Weight 55 lbs (25 kg) - unpacked 62 lbs (28 kg) - factory packed