Description
We offer for sale this Pre Audio Research SP11 on consignment basis FREQUENCY RESPONSE: High Level Input: ±1dB from 0.2Hz to 100kHz.-3dB below 0.1Hz and above 200kHz.Phono Input: ±.2dB of RIAA from 20Hz to 40kHz.±1dB of RIAA from 1.0Hz to 100kHz.DISTORTION (THD) Harmonic Distortion: Less than 0.005% at 2V RMS output, 5Hz to 20kHz(typically less than 0.001% at midband, phono or line input).Intermodulation Distortion: Less than 0.003% at 2V RMS outputNOISE AND HUM IHF weighted input, shorted: Output (reduced gain):6 µV (110 dB below nominal output).Input (high level): input equivalent to 3µV(110dB below 1V input).Phono: 0.15 µV equivalent input (76 dB below 1 mV input)GAIN At 1kHz, bypass mode: Phono input to tape output: 46dB(0.2V output from 1mV input).Phono input to master output: 75dB (0.175mV input to 1V output).High level input to main output: 29dB (36mV input to 1V output).INPUT IMPEDANCE Phono: Front panel selectable 47K, 100, 30, 10, 3 ohms.Phono Input Capacitance: 150pF at 10kHz.High Level: 20K ohms or higher, depending on switch functions.OUTPUT IMPEDANCE 250 ohm main, direct and reverse outputs.500 ohm tape output. Recommended load 60K ohm and 100pF (minimum 20Kohm, maximum 1000pF)OUTPUT POLARITY Tape outputs, direct out: non-inverting.Main outputs (2): selectable non-inverting or inverting.All outputs can be used simultaneously.MAXIMUM INPUTS Phono: 350mV RMS @ 1kHz, 1200mV RMS @ 10kHz(maximum duration 0.1 seconds, 6dB less if continuous).High level: 25V RMS.NOMINAL OUTPUTS Main outputs, direct, inverted 2V RMS from 1Hz to 100kHz.(80 V RMS maximum at 0.2% THD at 1 kHz into a 60 kOhm loadwith 2.85V RMS high level input).POWER REQUIREMENTS 95-135VAC 60Hz, 190-270VAC 50/60Hz, 130 Watts maximumOTHER Filter: Phono Subsonic High Pass @ 25Hz Rolloff 6dB/octave (to eliminate ringing)transitioning at 12dB/octave at 10Hz.Phono solo switchable on front panel.Controls (6): Gain, Level (to set the gain range), Balance,Mode, Input, Impedance.Switches (8): Tape monitor, Copy, Tape 1/2, Tape 1to2 / 2to1, Mute, Invert phase, Bypass, Filter.DIMENSIONS (Each frame is EIA Rack panel mounted) 19 (48cm) W x 5 ¼ (13.4cm) H x 10 ¼ (26cm) D.The handles extend 4.1 cm in front of the panel.The interconnect cable extends 10cm behind the rear of the chassis.TUBES: 2x theonex ecc882x sovtek 69222x Mil-spec 6h23n-ebWEIGHT SP-11: 6.4kgSP-11PS: 6.8kg *EU shipping available*
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