Audio ReserchSP9Audio Reserch SP9 Reference Pre AmpThis unit is in Beautiful Condition. Very Very Very Clean. On display in our store to audition. We can deliver local or Ship World Wide. Please call with any questions. Posted by Don at Woodbridge ...590.00

Audio Reserch SP9 Reference Pre Amp [Expired]


no longer for sale

This unit is in Beautiful Condition. Very Very Very Clean. On display in our store to audition. We can deliver local or Ship World Wide. Please call with any questions. Posted by Don at Woodbridge Stereo / Video. (732) 636-7777. x112 Description: hybrid (tube/FET) stereo preamplifier with one phono input, six line-level inputs, and two tape loops. Frequency response: 30Hz-40kHz ±0.3dB (RIAA phono), 5Hz-50kHz ±0.5dB (line). Distortion: <0.01% at 2V output. Input impedance: 47k ohms standard, with user-adjustable resistance and capacitance (600pF as supplied) (phono); 50k ohms (line). Output impedance: 250 ohms (main), 850 ohms (tape-out). Recommended load: 60k-100k ohms in parallel with 100pF (20k ohms minimum and 1000pF maximum). Phono stage gain: 67dB to main out, 46dB to tape-out. Phono sensitivity: 0.25mV at 1kHz for 0.5V output. Line-stage gain: 21dB to main out (CD stage 12dB lower gain), 0dB to tape out. Line sensitivity: 50mV RMS at 1kHz for 0.5V output. Output level: 2V RMS 5Hz-50kHz, all outputs into 60k ohms (maximum from main output, 50V RMS at 0.5% THD at 1kHz into a 100k ohm load with 5V RMS high-level input). Phono overload: 200mV at 1kHz (1000mV RMS, 10kHz). Maximum input level (line): essentially overload-proof. Noise: 98dB below 5V RMS output, greater than 100dB below 1V RMS input (line), 78dB below 1mV input (phono). Dimensions: 19" W by 10?" D by 5?" H. Weight: 13 lbs. 112
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