The Reference Phono 2 is a fully balanced design with an input circuit that allows its RCA inputs to operate in a balanced configuration without requiring an inverter.
About this unit
Fantastic condition traded-in Audio Research Reference Phono 2 preamplifier, in silver finish. Unit comes in original packaging with manual, power cord, and remote.
Unit is rated 8/10 for light use and minor cosmetic wear consistent with age. Specifications
Frequency response: ± .2dB of RIAA, 10Hz to 60kHz: 3dB points below 0.5Hz and above 300kHz.
Distortion (THD): .002% at 1.0V RMS 1kHz BAL output.
Noise & hum: 0.22µV equivalent input noise (High Gain) (65dB below 0.1mV 1kHz input).
Gain: Selectable 51 dB (Low), 74 dB (High) at 1 kHz BAL
Input impedance: 47K ohms
Output impedance: 400 ohms balanced.
Maximum inputs: 250mV RMS at 1kHz (680 mV RMS at 10kHz)
Rated outputs: 0.5V RMS 10Hz to 20kHz, 100K ohm load
Power supplies: Electronically-regulated low and high voltage supplies. Line regulation better than .01%.
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).
Phono equalization: (Selectable) RIAA, Columbia, Decca.
Dimensions: 19" W x 7" H x 15.5" D. Handles extend 1.5" forward of front panel.
Weight 27 lbs. (12.3 kg) Net; 38 lbs. (17.3 kg) Shipping.Transaction Details
Buyer to pay all shipping and insurance cost. Please call 734-662-3595 and ask for Larry or Richard for any further information on this product. Michigan residents pay 6% sales tax. Ohio residents pay 6.75% sales tax. Illinois residents pay 6.25% sales tax plus local municipalities if applicable. PayPal users pay a 3.5% fee. Please check on the availability of item as we are also a retail outlet and items may sell prior to us being able to update the listing. All electronics support U.S. voltages only, unless otherwise indicated. We do not change voltages.
For a complete listing of all of our specials, please visit: www.paragonsns.com
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