Audio Research LS-26

FREQUENCY RESPONSE: +0-3dB, 0.2Hz to 160kHz at rated output (Balanced, 200k ohms load)
DISTORTION: Less than .01% at 2V RMS BAL output.
GAIN: Main Output : Selectable for each input: 24dB, 18dB, 12dB Balanced output. (18dB, 12dB, 6dB SE ouput.) Record output: 0dB (Processor input: 0dB balanced.)
INPUT IMPEDANCE: 120K ohms Balanced, 60K ohms SE . Inputs (8): Tuner, Phono, CD, Video, Aux 1, Aux 2, Monitor, Processor (XLR and RCA connectors). OUTPUT IMPEDANCE: 700 ohms Balanced, 350 ohms SE Main (2). 20K ohms minimum load and 2000pF maximum capacitance. Outputs (3): 2 Main, 1 Record (XLR and RCA connectors).
OUTPUT POLARITY: Non-inverting. MAXIMUM INPUT: Low Gain: 48V RMS BAL, 24V RMS SE, Medium Gain: 24V RMS BAL, 12V RMS SE, High Gain: 12V RMS BAL, 6V RMS SE.
RATED OUTPUTS: 2V RMS 1Hz to 100kHz into 200K ohm balanced load (maximum balanced output capability is 15V RMS at less than 0.5% THD at 1kHz) CONTROLS: Rotary volume selector (104 steps) and rotary input selector. Push buttons: Power, Monitor, BAL/SE, Proc, Mute. Also remote buttons: Display, Bal L, Bal R, Hours, Invert, Gain.
POWER SUPPLIES: Electronically-regulated low and high voltage supplies. Automatic 50 sec. warm-up/brown-out mute. Line regulation better than .01%. NOISE: 1.3uV RMS residual IHF weighted balanced equivalent input noise with volume at 1 (100 dB below 2V RMS output). TUBE COMPLEMENT:2-6H30 dual triode. (Hybrid JFET/tube audio circuit, solid-state power supply).
POWER REQUIREMENTS:105-130VAC 60Hz (210-260VAC 50/60Hz) 50 watts maximum.
DIMENSIONS: 48 cm W x 13.4 cm H (standard rack panel) x 30.5 cm D. Handles extend 3.8 cm forward of the front panel.
WEIGHT: 7.5 kg Net; 11.8 kg Shipping.