AUDIO RESEARCH LS-7 TUBE PREAMPLIFIER
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Ships from | Honolulu, HI, 96813 |
Ships to | United States |
Package dimensions | 20.0" × 18.0" × 14.0" (25.0 lbs.) |
Shipping carriers | USPS or UPS |
Shipping cost | Log in to see price |
Average | Research Pricing |
EXCELLENT CONDITION AUDIO RESEARCH LS-7 TUBE PREAMPLIFIER.
Frequency response: ± .5dB, 1.0Hz to 100kHz -3dB points below 0.1Hz and above 300kHz
Distortion (THD): Less than .01% at 2V RMS output. (Typically .005% in midband)
Noise & hum: 15µV RMS maximum IHF weighted noise at main output with gain control minimum (more than 102dB below 2V RMS output)
Gain:
Main output - 13dB unbalanced
Tape output - 0dB
Input impedance: 100K ohms.
Output impedance: 200 ohms main output. Recommended load 60K ohms and 100pF (20K ohms minimum and 1000pF maximum)
Maximum inputs: 20V maximum
Rated outputs: 2V RMS 1Hz to 100kHz, all outputs, 60K ohm load (maximum output 25V RMS at 1/2% THD into 100K ohms)
Power supplies: Electronically-regulated low and high voltage supplies. Line regulation better than .01%
Tube complement: (4) 6922/E88cc dual triode
Power requirements: 100-135VAC 60Hz (200-270VAC 50/60Hz) 25 watts minimum
Inputs (5): tape, tuner, CD, video, aux
Controls: Gain, input selector
Toggle switches: power/off, mute/operate
Dimensions: 48 cm W x 13.4 cm H (standard rack panel) x 26 cm D. Handles extend 3.8 cm forward of front panel. Rear chassis fittings extend 1.3 cm.
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Return Policy
Return Window
Item can be returned within 7 days of receipt.
General Terms
Items must be returned in their original condition, with all included packing materials and no signs of use. Buyer assumes responsibility for all shipping return costs unless the item was not received as described.
Refunds
Buyer will receive a full refund in the original payment method less any shipping charges.