Предусилитель Audio Research SP 20

Предварительный усилитель, встроенный фонокорректор, ламповая комплектация: 4 х 6H30, диапазон частот: 2 Гц - 80 кГц (-3 дБ), гармоники: 0.003% (2 В RMS), соотношение сигнал/шум: 125 дБ, усиление: 13,8 дБ, аудио входы: 6 x RCA, 2 x XLR, выходы: 2 x RCA, 2 x XLR, габариты: 480 х 134 х 420 мм, вес: 7,4 кг, варианты цветов: черный, серебристый

Frequency Response:
Line: ± 0.3dB 2 Hz to 80 kHz; -3dB 0.8Hz to 220 kHz
Phono: ± 0.1dB of RIAA 10Hz to 20kHz; ± 0.4dB 5Hz to 80kHz
Headphone: ± 0.05dB 20Hz to 20kHz; -3dB 0.8Hz to 220kHz
THD+N:
Line: < .003% at 2V RMS, Bal output
Phono: < .005% at 3V RMS output, to Record output
Headphone: < .009% at 1V RMS output
Gain:
Line: 13.8dB, Processor: 0dB
Phono: 58dB @ 1KHz to Record output
Headphone: 11.3dB
Noise:
Line: <-101dBV volume at max.
Phono: < -77dBV to Record output
Headphone: < -88dBV volume at max.
Channel Separation:
Line: > 105dB Balanced output
Phono: > 76dB to Record output
Headphone: > 62dB
Signal to Noise Ratio:
Line: > 125dB Balanced output
Phono: > 94dB to Record output
Headphone: > 110dB
Rated Outputs:
Line: 2V RMS (1V RMS SE) into 200k ohms balanced load (maximum balanced output
capability is 18V RMS at less than .5% THD+N at 1kHz.)
Phono: 0.5V RMS into 100k load at Record output (maximum output capability is 25V RMS)
Headphone: 6V RMS maximum into 30 to 300 ohm load.
Input Impedance: 120k ohms Balanced, 60k ohms SE; Phono impedance programmable (100, 200, 500, 1000 or
47k ohms w/200pf unbalanced).
Output Impedance: 500 ohms Balanced, 250 ohms SE; 1000 ohms Record Out SE; <.05 ohms
Headphone SE.
Output Polarity: Non-inverting.
Maximum Input: Line: 19V RMS Balanced, 9V RMS SE. Phono: 70mV RMS at 1kHz.
Controls: Rotary Volume (104 steps), Rotary Input selector. Push Buttons: Power, Mute, SPKR Off. Interactive
Touch Screen. Rear RS-232 control and Remote IR input.
Power Supplies: Electronically regulated low and high voltage supplies. Automatic 30 sec. warm-up/brown-out
mute. Line regulation better than .01%.
Tube Complement: 4 6H30 dual triode.
Power Requirements: 100-125VAC 60Hz (200-250VAC 50/60Hz) 77 watts maximum. Standby 2.7 watts.
Dimensions:
Width 19” (48 cm)
Height 5.25”(13.4 cm) (standard rack panel)
Depth 16.5”(42 cm) D.
Weight: 17.8 lbs. (7.4 kg) Net; 27.8 lbs. (10.5 kg) Shipping