Audio Research REFERENCE PHONO 3

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Etiketler: Audio Research REFERENCE PHONO 3

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

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

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:  

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).

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%.

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.

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.

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

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