Audio Research LS3B (BALANCED) with Original Manual

Pricing & History

Sold for
Start Free Trial or Sign In to see what it's worth.
Sold Date
Source eBay

Solid state stereo line stage Audio Research LS3B (BALANCED) Item is in excellent condition sound wise and appearance. Frequency response ±.5 dB, 2.0 Hz to 100 kHz. -3dB points below 1 Hz and above 200 kHzDistortion (THD) Less than .01% at 2V RMS output. (Typically less than .005% in midband)Noise & hum 18 µV RMS maximum IHF weighted noise at main output with gain control minimum (more than 100 dB below 2V RMS output, or 4V balanced output (LS3B))Gain Main output: 18 dB (optional 10 dB gain reduction)Tape output: 0 dBBalanced output (LS3B): 24 dB Input impedance 50 kOhms (100 kOhms Direct) Output impedance 250 Ohms main output. 500 Ohms balanced (LS3B). Recommended load 60 kOhms and 100 pF (20 kOhms minimum and 1000 pF maximum)Output polarityMaximum inputs 20V maximumRated outputs 2V RMS 2 Hz to 100 kHz, all outputs, 60 kOhm load (maximum output 35V RMS, 70V RMS balanced (LS3B) at 1/2% THD at 1 kHz into 100 kOhms)Power supplies Electronically-regulated low and high voltage supplies. Line regulation better than .01%.Power requirements 100-135VAC 60 Hz (200-270VAC 50/60 Hz) 25 Watts maximum (35 Watts maximum LS3B)OtherDimensions 19" (48 cm) W x 5 1/4" (13.4 cm) H (standard rack panel) x 10 1/4" (26 cm) D. Handles extend 1 2/3" (4.1 cm) forward of front panel . Rear chassis fittings extend 1/2" (1.3 cm)LS3B: 12 lbs. (5.5 kg) Net; 20 read more

Items in the Price Guide are obtained exclusively from licensors and partners solely for our members’ research needs.

Flag item for content or copyright

If this item contains incorrect or inappropriate information please contact us here to flag it for review.

If you are the originator/copyright holder of this photo/item and would prefer it be excluded from our community, contact us here for removal.