Stereo Preamplifier Audio Research ARC REF 6/ REF6

Specifications

• Frequency Response: +0-3dB, 0.4Hz to 200kHz at rated output (Balanced, 200k ohms load).
• Distortion: Less than .01% at 2V RMS BAL output.
• Gain: Main output: 12dB Balanced output, 6dB SE output.  Record out: 0dB. Processor input: 0dB BAL output.
• Input Impedance: 120K ohms Balanced, 60K ohms SE. 
• Output Impedance: 600 ohms Balanced, 300 ohms SE Main (2). 20K ohms minimum load and 2000pF maximum capacitance.
• Output Polarity: Non-inverting.
• Maximum Input: 18V RMS BAL, 9V RMS SE.
• Rated Output: 2V RMS (1V RMS SE) into 200K ohm balanced load. Maximum balanced output capability is 70V RMS at less than 0.5% THD at 1kHz.
• Crosstalk: -88dB or better at 1kHz and 10kHz.
• Noise: 1.7uV RMS residual IHF weighted balanced equivalent input noise with volume at 1 (109dB below 2V RMS output.)
• Power Requirements: 100-135VAC 60Hz (200-250VAC 50/60Hz) 130 watts. Standby: 2 watts.
• Dimensions:  Width: 19" (48 cm), Height: 7.8" (19.8 cm), Depth: 16.5" (41.9 cm), Handles extend 1.6" (4 cm) forward of the front panel. Shipping Weight: 49 lbs. (22.3 kg)