Preamplifiers/Surround

Input Sensitivity at 1 kHz MM: 4mV for 1V output MC: 600µV for 1V output Total Gain MM: 48dB MC: 64dB Frequency Response 20Hz – 20kHz, +/- 0.2dB Total Harmonic Distortion < 0.01% at 1kHz Signal to Noise Ratio, MM > 87dB, input shorted, IHF A-weighted > 78dB, input shorted, unweighted Signal to Noise Ratio, MC > 87dB, input shorted, IHF A-weighted > 67dB, input shorted, unweighted Interchannel Crosstalk 72dB at 1kHz Input Impedance MM: 47kΩ MC: 50 – 550Ω variable, 47kΩ fixed Output Impedance Unbalanced: < 100Ω Balanced: < 100Ω per legAC Power Requirement Standby: 1 watt Power On: 12 watts 115 or 230 VAC 50 - 60 Hz (Selected on Chassis Bottom) Dimensions Width: 17-1/4” (437mm) Depth: 13-3/4” (350mm) Height, with feet: 4-1/8” (105mm) Height, without feet: 3-1/2” (89mm) Weight Net: 19 lbs. (8.6 Kg) Shipping: 26 lbs. (11.8 Kg) Learn More

FREQUENCY RESPONSE ±.15dB of RIAA, 10Hz to 60kHz. 3dB points below 0.5Hz and above 400kHz. DISTORTION (THD) Less than .005% at .50V RMS 1kHz output. NOISE & HUM 0.1µV equivalent input noise, IHF weighted, shorted input (80 dB below 1mV 1kHz input). GAIN 54dB at 1kHz (MC & MM compatible). INPUT IMPEDANCE 47K ohms and 90pF Unbalanced. (Provisions for any value below 47K ohms or added input capacitance for matching certain magnetic cartridges.) OUTPUT IMPEDANCE 200 ohms Unbalanced. Recommended load 50K-100K ohms and 100pF. (10K ohms minimum and 2000pF maximum.) OUTPUT POLARITY - MAXIMUM INPUTS 60mV RMS at 1kHz (240 mV RMS at 10kHz) RATED OUTPUTS .50V RMS 10Hz to 60kHz, 100K ohm load (output capability is 30V RMS output at 1/2% THD at 1kHz). POWER SUPPLIES Electronically-regulated low and high voltage supplies. Line regulation better than .01% TUBE COMPLEMENT (3) 6922/E88CC dual triodes with JFET input. Solid state power supply. POWER REQUIREMENTS 100-135VAC 60Hz (200-270VAC 50/60Hz) 28 watts maximum. Line fuse 0.6A SLO BLO (0.3A SLO BLO 230V). DIMENSIONS 19" (48 cm) W x 5 ¼" (13.4 cm) H (standard rack panel) x 10 ¼" (26 cm) D. Handles extend 1½" (3.8 cm) forward of front panel. Rear chassis fittings extend ¾" (2.2 cm) WEIGHT PH3: 10 lbs. (4.5 kg) Net; 19 lbs. (8.6 kg) Shipping. Learn More

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