Audio Research Reference 10 Line-Stage Preamplifier

Audio Research has long set benchmarks in preamplifier design, from the SP3 (1973) to the limited-edition Reference Anniversary (2010). Building on continued innovation, the Reference 10 line stage represents its most advanced design yet. It delivers lifelike scale, deep and controlled bass, and exceptional clarity, revealing fine details and spatial cues in recordings. The sound is natural, dynamic, and highly refined, enhancing both large ensembles and subtle nuances. Its dual-chassis design includes a dedicated power supply. With premium materials and craftsmanship, the Reference 10 offers a significant leap in performance, creating a more immersive and authentic listening experience.

Frequency Response: +0 -3dB 0.1Hz to 200kHz at rated output.
(BALANCED, 200k ohms load.)

Distortion: Less than .006% at 2V RMS Balanced output

Gain: Main output (SE or BAL input)12dB Balanced output,
6dB Single Ended output. Tape output: 0dB.
(Processor input: 0dB Balanced)

Input Impedance: 120K ohms Balanced, 60K ohms SE,
Inputs (7): 1, 2, 3, 4, 5, 6, PROCESSOR.
(XLR and RCA connectors).

Output Impedance: 600 ohms Balanced, 300 ohms SE main (2),
20K ohms minimum load and 2000pF maximum capacitance. Outputs (3): 2 main, 1 tape
(XLR and RCA connectors).

Output Polarity: Non-inverting

Maximum Input: 20V RMS maximum Balanced, (10V RMS SE)

Rated Outputs: 2V RMS (1V RMS SE) into 200K ohm balanced load (maximum balanced output capability is 30V RMS at less than 0.5% THD at 1kHz)

Crosstalk: -80dB or better at 1kHz

Controls: Volume (104 steps). Push Buttons: Power, Mute, Interactive Touch Panel. Rear RS-232 control and IR input

Power Supplies: Electronically regulated low and high voltage supplies. Automatic 40 sec. warm-up/brown-out mute.
Line regulation better than .01%.

Noise: 1.7uV RMS residual IHF weighted balanced equivalent input noise with volume at 1 (109dB below 2V RMS output.)

Tube Complement: (8)-6H30P dual triodes, plus (2 each) 6550C and 6H30P in power supply

Power Requirements: 100-135VAC 60Hz (200-270VAC 50/60Hz) 235 watts maximum. Standby 0.8 watts.

Dimensions: Width 19” (48 cm); Height 7” (17.8 cm) (standard rack panel)