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#1
6th November 2012
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Audio Research LS-2 (pre amp)
Kondisi Barang : Second
Harga : Lokasi Seller : Banten Description : AUDIO RESEARCH LS-2 Silver Panel Kondisi mulus 90% Vacum Tube : 6922 / 6DJ8 goldpin (1 unit terpasang) Fungsi 100% Input Voltage 110v Bonus : Step Down Transformer 220v - 110v Frequency response � .5dB, 1Hz to 100Hz, -3dB points below 0.1Hz and above 300kHz Distortion (THD) Less than .01% at 2V RMS output.(Typically less than .005% in midband) Noise & hum 20�V RMS residual 1HF weighted noise at main unbalanced output with gain at minimum (100dB below 2V RMS output). Balanced input noise 100dB below 1V input. Gain Main Output: 18dB (Optional 9dB gain reduction through an internal jumper) Balanced output: 24dB (Optional 9dB gain reduction through an internal jumper) Tape output: 0dB Input impedance 50K ohms unbalanced, 3 megohm balanced. Output impedance 200 ohms main output. 400 ohms Balanced 1, Balanced 2 (10K ohms minimum load and 2000pF maximum capacitance) Output polarity Maximum inputs 20V maximum unbalanced, 8.5V (+21dB) maximum balanced Rated outputs 2V RMS 1Hz to 100kHz into 60K ohm load (maximum output capability is 30V RMS [60V RMS balanced] output at 05% THD at 1kHz into a 10K ohm load) Power supplies Electronically-regulated low and high voltage supplies. Two transformers (toroid for high voltage). Line regulation better than .01% Tube complement (1) 6922 Power requirements 100-135VAC 60Hz (200-270VAC 50/60Hz) 60 watts maximum Other Dimensions 19" (48 cm) W x 5 1/4" (13.4cm) H (standard rack panel) x 10 1/4" (26cm) D. Handles extend 1 5/8" (4.1cm) forward of front panel. Rear chassis fittings extend 7/8" (2.3cm). Weight LS2: 13 lbs. (5.9 kg) Net; 21lbs.(9.5 kg) Shipping.    Fast Repond : 081-2938 8989 (sms only) 
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