Audio Research Reference 3SE

Frequency Response

±.2 dB of RIAA, 10 Hz to 60kHz; 3 dB points below 0.3Hz and above 300 kHz

Distortion

Less than .002% at 1.0V RMS 1kHz output

Gain

Selectable 51 dB (Low) and 73 dB (High) at 1kHz BAL;
45 dB (Low) and 67 dB (High) at 1kHz SE. (MC and MM compatible).

Input Impedance

47k Ohms and 100 pF SE.
Selectable loads: 1000, 500, 200, 100, 50 Ohms,
and Custom.

Output Impedance

400 ohms Balanced, 200 ohms SE.
Recommended load 50k-100k Ohms and 100 pF.
(10k Ohms minimum and 2000 pF maximum).

Output Polarity

Non-inverting

Phono Equalization

(selectable) RIAA, Columbia, and Decca.

Maximum Input

250 mV RMS at 1kHz (680 mV RMS at 10kHz) – Low Gain

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)

Controls

6 Push Buttons:  Power, Menu, Option, Enter, Input, Mute

Power Supplies

Electronically regulated low and high voltage supplies.  Automatic 2 minute warm-up/brown-out mute.
Line regulation better than .01%.

Noise

0.28 µV equivalent input noise, IHF weighted.
Shorted (Low Gain) input (71 dB below 1mV 1kHz input).
0.082 µV equivalent input noise (High Gain).
(62 dB below 0.1 mV 1kHz input).

Tube Complement

(6)-6H30P dual triodes, plus (1 each) 6550WE
and 6H30P in power supply

Power Requirements

100-135VAC 60Hz (200-270VAC 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.

Weight: 36.5 lbs. (16.6 kg) Net; 53 lbs. (24 kg) Shipping.