Descrizione

Audio Research LS22R, preamplificatore valvolare, versione "R" con il telecomando, raro da trovare. In ottime condizioni, pari al nuovo e con valvole nuove da rodare. Completo di IMBALLO ORIGINALE e manuale d'uso in inglese e in italiano. Colore SILVER. Invio foto e descrizione piu' dettagliata richiesta. Shipping worldwide. E-mail me for exact shipping cost to your country. Specifications FREQUENCYRESPONSE ±.5dB,1.5Hz to 100kHz. -3dB points below 0.1Hz and above 400kHz. DISTORTION(THD) Lessthan .010% at 2V RMS output. NOISE& HUM 12µVRMS IHF weighted balalanced noise (104dB below 2V RMS output) GAIN Mainoutput: 18.3dB Bal., 12.7dB Unbal. Tape output: 0 INPUTIMPEDANCE 200Kohms balanced, 100K ohms unbalanced OUTPUTIMPEDANCE 400ohms balanced, 200 ohms unbalanced main (2), 20K ohms minimum load and2000pFmaximum capacitance. OUTPUTPOLARITY -MAXIMUMINPUTS 20Vmaximum RATEDOUTPUTS 2VRMS 1Hz to 100kHz into 100 Ohm balanced (maximum balanced output capabilityis35V RMS at less than 0.5% THD at 1kHz) POWERSUPPLIES Electronically-regulatedlow and high voltage supplies.Automatic 45 sec.warm-up/brown-out mute. Lineregulation better than .01%. TUBECOMPLEMENT (8)6922/E88CC POWERREQUIREMENTS 100-135VAC60Hz (200-270VAC 50/60Hz) 90 watts maximum. OTHER Vacuumtube audio circuit, solid-state power supply. Inputs (6): tuner,video, phono,CD, aux tape (XLR and RCA connectors). Outputs (3): 2 main, 1tape (XLR and RCAconnectors). DIMENSIONS 19"(48 cm) W x 5 1/4 " (13.4 cm) H (standard rack panel) x 11 3/4 "(29.8 cm) D.Handles extend 1 1/2 " (3.8 cm) forward of the front panel. Rearchassisfittings extend 7/8 " (2.3 cm). WEIGHT 17lbs. (7.7 kg) Net; 27 lbs. (12.3 kg

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