Audio Research REFERENCE 75 SE


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Etiketler: Audio Research REFERENCE 75 SE


TECHNICAL SPECIFICATION
POWER OUTPUT
75 watts per channel continuous from20Hz to 20kHz. 1kHz total harmonic distortion typically 0.6% at 75 watts, below 0.05% at 1 watt. Approximate actual power available at ‘clipping’ 76 watts (1kHz). (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 very critical.)

POWER BANDWIDTH
(-3dB points) 7Hz to 60kHz.

FREQUENCY RESPONSE
(-3dB points at 1 watt) 0.7Hz to 75 kHz.

INPUT SENSITIVITY
1.4V RMS BAL for rated output. (25 dB Bal gain into 8 ohms.)

INPUT IMPEDANCE
300K ohms Balanced.

OUTPUT POLARITY
Non-inverting. Balanced input pin 2+ (IEC-268).

OUTPUT TAPS
8 ohms, 4 ohms.

OUTPUT REGULATION
Approximately 1.0dB 8 ohm load to open circuit (Damping factor approximately 8).

OVERALL NEGATIVE FEEDBACK
15dB.

SLEW RATE
10 volts/microsecond.

RISE TIME
4.0 microseconds.

HUM & NOISE
Less than 0.06mV RMS – 112dB below rated output (IHF weighted, input shorted).

POWER SUPPLY ENERGY STORAGE
Approximately 520 joules.

POWER REQUIREMENTS
105-125VAC 60Hz (210-250VAC 50Hz) 410 watts at rated output, 500 watts maximum, 230 watts idle.

TUBES REQUIRED
2 – Matched pair KT150 – Power Output; 2 – 6H30 Driver.

DIMENSIONS
19" (48.3 cm) W x 8.75" (22.2 cm) H x 19.5" (49.5 cm) D. Handles extend 1.5" (3.8 cm) forward.

WEIGHT
47 lbs. (21.3 kg) Net; 63 lbs. (28.6 kg) Shipping

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