Preamplificator phono Audio Research Reference Phono 2 SE High Definition

Preamplificator Audio Research Reference Phono 2 SE High Definition. Fabricat in SUA.

Specificatii:

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.