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All tests were performed with the Audio Precision System Two.
10
TECHNICAL SPECIFICAT I O N S
N O T E :
Specification ratings based on the nominal power line input
for the country in which it is used
POWER OUTPUT:
40 watts per channel continuous both channels
driven, into 4 or 8 Ohms (user selectable),
20Hz to 20kHz with ≤ 1% THD
Typical power at clipping (1% THD @ 1kHz) 55 watts
I M D : ≤ 1% at rated power, SMPTE 4:1 method
POWER BANDWIDTH (40 WAT T ) :
10Hz to 65kHz (-3 dB points)
15Hz to 33kHz (-0.5 dB points)
FREQUENCY RESPONSE (1 WAT T ) :
10Hz to 75kHz (-0.5 dB points)
2Hz to 105kHz (-3 dB points)
T H D + N : ≤ 1% at rated power, 20Hz to 20kHz both
channels driven. Typically .05% 1 kHz at 1 watt level
INPUT SENSITIVITY: 1.3V for Rated Power
INPUT IMPEDANCE: 100 Kohm
DAMPING FA C T O R : ≥ 14 on 8 Ohm tap
HUM AND NOISE: -92 dB below rated power unweighted;
-100 dB below rated power IHF-A weighted
V O LTAGE GAIN: 22.8 dB
RISE TIME: 2.8 uSec
POWER SUPPLY ENERGY STORAGE: 57 Joules
POWER REQUIREMENTS: 100-120VAC 50/60Hz
(Export 220-240VAC 50/60Hz) 355 VA maximum
TUBE COMPLEMENT: 2-12AU7A/ECC82, 1-12AX7A/ECC83,
4-EL34/6CA7 (2 matched pairs)
D I M E N S I O N S : 19" (48 cm) W x 5.25"
(13.4 cm) H x 12” (30 cm) D
W E I G H T: 40 Ibs. (18 kg) Net (unpacked)