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  • Audio Research REF Phono2 SE VT Tube Phono Preamplifier
  • Audio Research REF Phono2 SE VT Tube Phono Preamplifier
  • Audio Research REF Phono2 SE VT Tube Phono Preamplifier

Audio Research REF Phono2 SE VT Tube Phono Preamplifier

$16,600.00

DETAILS

      

VACUUM TUBE PHONO PREAMPLIFIER

Audio Research continues the tradition of advancing state of the art in music reproduction with the introduction of the Reference Phono 2 SE preamplifier.  Using component technologies derived directly from the acclaimed Reference Anniversary preamplifier, the Reference Phono 2 SE provides substantial sonic enhancements beyond its predecessor and brings the listener closer to the music than ever.

       

Specifications:

 FREQUENCY RESPONSE ± .2dB of RIAA, 10Hz to 60kHz; 3dB points below 0.3Hz and above 300kHz.
DISTORTION Less than .002% at 1.0V RMS 1kHz output.
GAIN Selectable 51dB (Low), 74dB (High) at1kHz BAL; 45dB (Low), 68dB (High) at1kHz 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. Selectable loads:  1000, 500, 200, 100, 50 ohms and Custom.
PHONO EQUALIZATION (Selectable) RIAA, Columbia, Decca. 
POLARITY Non-Inverting.
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 at10kHz).
RATED OUTPUTS 0.5V RMS 10Hz to 20kHz, 100K ohm load (output capability is 80V RMS BAL output at 1/2% THD at1kHz, 40V SE.)
POWER SUPPLIES Electronically-regulated low and high voltage supplies. Line regulation better than .01%.
NOISE 0.22uV equivalent input noise, IHF weighted, shorted(Low Gain) input (73 dB below 1mV 1kHz input).  0.055uV 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 (200-270VAC50/60Hz) 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.

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