Audio Research REF5SE Pre-Amplifier

AUDIO RESEARCH

REF5SE   TUBE PRE-AMPLIFIER

Description:

Tubed, remote-controlled line preamplifier
with six sets of balanced and unbalanced inputs, three sets of balanced and
unbalanced outputs, and a unity-gain Processor input Tube complement: 6550C and
6H30P (power-supply regulation), four 6H30P (dual triodes).

Frequency response: 0.2Hz–200kHz, +0/–3dB, at rated
output (balanced, 200k ohms load).

Maximum voltage gain, main output (single-ended or
balanced input): 12dB, balanced output; 6dB, single-ended output.

Distortion: <0.01% at 2V RMS, balanced output.

Input impedance: 120k ohms balanced, 60k ohms
single-ended.

Output impedance: 600 ohms balanced, 300 ohms
single-ended main, 20k ohms minimum load and 2000pF maximum capacitance.

Output polarity: non-inverting.

Maximum input: 20V RMS maximum balanced, 10V RMS
single-ended.

Rated output: 2V RMS (1V RMS single-ended) into 200k ohm
balanced load (maximum balanced output capability is 30V RMS at <0.5% THD at
1kHz).

Noise: 1.7µV RMS residual IHF-weighted balanced noise
output with volume control at "1" (109dB below 2V RMS output). Power
consumption: standby, 2W; full output, 130W.

Dimensions: 19" (485mm) W by 7" (178mm) H by
15.5" (394mm) D. Handles extend 1.5" (38mm) forward of front panel.
Weight: 30.4 lbs (13.9kg) net, 41.6 lbs (19kg) shipping.

SHIPPING AND INSURANCE TO BE PAID BY BUYER

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