High Performance Stereo
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Audio Research PH1  deposit left, inquire for availability Zoom

Audio Research PH1 deposit left, inquire for availability

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Product Description


    Frequency response: ±.25dB of RIAA, 10Hz to 60kHz. 3dB points below 0.5Hz and above 150kHz Distortion (THD): Less than .005% at .25V RMS 1kHz output Noise & hum: 0.12µV equivalent input noise, IHF weighted, shorted input (78dB below 1mV input) Gain: 48dB at 1kHz (MC and MM compatible) Input impedance: 47K ohms (Provisions for any value below 47K ohms or added input capacitance for matching certain magnetic cartridges) Output impedance: 350 ohms. Recommended load 50K-100K ohms and 100pF. (10K ohms minimum and 2000pF maximum) Maximum inputs: 160mV RMS at 1kHz (800mV RMS at 10kHz) Rated outputs: .25V RMS 10Hz to 60kHz, 100K ohm load (output capability is 50V RMS output at ½% THD at 1kHz) Power supplies: Electronically-regulated low and high voltage supplies and electronic decoupling. Shielded toroid transformer. Line level regulation better than .01% Power requirements: 100-135VAC 60Hz (200-270VAC 50/60Hz) 35 Watts Other: Swithes: Power, Mute Dimensions: 19" (48 cm) W x 5¼" (13.4 cm) H (standard rack panel) x 10¼" (26 cm) D. Handles extend 1 5/8" (4.1 cm) forward of front panel. Rear chassis fittings extend 7/8" (2.3 cm) Weight: 10 lbs. (4.5 kg) Net; 19 lbs. (8.6 kg) Shipping
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