I am selling my Audio Research Ref 2 Phono Preamplifier. This is one of the finest if not the finest Phono Preamplifier made today. It's in perfect condition sonically and cosmetically. It has been babied since new and features extremely low hours. The buyer will not be disappointed. Buyer pays for shipping and insurance and if paying via PayPal, please add 2.9%. Thanks for looking and please do not hesitate to contact me should you have any questions.
All sales out of California are State Sales Tax exempt.
California State Sales Tax of 8.75% applies for items picked up or shipped to a California address.
From The Audio Research Website:
Reference Phono 2 Specifications:
FREQUENCY RESPONSE: ± 0.2dB of RIAA, 10Hz to 60kHz: 3dB points below 0.5Hz and above 300kHz.
DISTORTION: .002% at 1.0V RMS 1kHz BAL output.
GAIN: Selectable 51 dB (Low), 74 dB (High) at 1 kHz BAL; 45 dB (Low), 68dB (High) at 1 kHz SE. (MC & MM compatible).
BUTTONS: Front (6) Power, Input, Gain, Load, RIAA, Mute. Remote adds "hours" and "Display".
INPUT IMPEDANCE 47K ohms and 100pF SE. Additional selectable loads: 1000, 500, 200, 100, 50 ohms and Custom. (Custom loading value is factory set at 47K ohms unless specified otherwise.)
PHONO EQUALIZATION: (Selectable) RIAA, Columbia, Decca.
OUTPUT IMPEDANCE 200 ohms SE, 400 ohms balanced. Recommended load 50K-100K ohms and 100pF. (10K ohms minimum and 2000pF maximum.)
MAXIMUM INPUTS: 250mV RMS at 1kHz (680 mV RMS at 10kHz).
RATED OUTPUTS : 0.5V RMS 10Hz to 20kHz, 100K ohm load (output capability is 80V RMS BAL output at 1/2% THD at 1kHz, 40V SE.)
POWER SUPPLIES: Electronically-regulated low and high voltage supplies. Line regulation better than .01%.
NOISE: 0.22uV equivalent input noise (High Gain) (65dB below 0.1mV 1kHz input).
TUBE COMPLEMENT(4) 6H30 dual triodes, plus (1 each) 6H30, 6550C in power supply.
POWER REQUIREMENTS: 100-135VAC 60Hz (200-270VAC 50/60Hz) 140 watts maximum. 2W standby. Line fuse 5A SLO BLO (T2A SLO BLO 230V).
DIMENSIONS: 19" (48 cm) W x 7" (17.8 cm) H (standard rack panel) x 15.5" (39.4 cm) D. Handles extend 1.5" (3.8 cm) forward of front panel.
WEIGHT: 27 lbs. (12.3 kg) Net; 38 lbs. (17.3 kg) Shipping.
Specifications subject to change without notice.