Audio ResearchLS-27Audio Research LS-27  Pre-Amplifier Natural FinishAudio Research LS-27 Line Stage Pre-Amp in near mint condition.  Meticulously cared for.Includes remote, manual, power cord, original packaging, and new Sovtek tubes.  All photos are of the actual ...4250.00

Audio Research LS-27 Pre-Amplifier Natural Finish

Listing ID: lis7e1cb Classified 
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Audio Research
Time Left: 2 Days

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Asking Price: $4,250.00

New Retail Price: $6,995.00

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Condition
9/10
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Ships fromApex, NC, 27502
Ships toUnited States
Package dimensions22.0" × 22.0" × 15.0" (25.0 lbs.)
Shipping carriersUPS or FedEx
Shipping cost
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Original accessoriesRemote Control, Box, Manual
Agon-miniAverage Research Pricing

Audio Research LS-27 Line Stage Pre-Amp in near mint condition.  Meticulously cared for.

Includes remote, manual, power cord, original packaging, and new Sovtek tubes. 

All photos are of the actual item.










Specifications


FREQUENCY RESPONSE: +0-3dB, 0.2Hz to 160kHz at
rated output (Balanced, 200k ohms load)


DISTORTION: Less than .01% at 2V RMS BAL output.


GAIN: Main output: Selectable for each input: 24dB,
18dB,


12dB Balanced output. (18dB, 12dB, 6dB SE
output.)

Record output: 0dB (Processor input: 0dB
balanced).


INPUT IMPEDANCE: 120K ohms Balanced, 60K ohms SE.
Inputs (8): Tuner, Phono, CD, Video, Aux 1, Aux 2, Moni-
tor, Processor (XLR and RCA connectors).


OUTPUT IMPEDANCE: 700 ohms Balanced, 350 ohms SE
Main (2), 20K ohms minimum load and 2000pF maximum
capacitance. Outputs (3): 2 Main, 1 Record (XLR and RCA
connectors ).


OUTPUT POLARITY: Non-inverting.


MAXIMUM INPUT: Low Gain: 48V RMS BAL, 24V RMS
SE, Medium Gain: 24V RMS BAL, 12V RMS SE, High
Gain: 12V RMS BAL, 6V RMS SE.


RATED OUTPUTS: 2V RMS 1Hz to 100kHz into 200K ohm
balanced load (maximum balanced output capability is
15V RMS at less than 0.5% THD at 1kHz).


CONTROLS: Rotary volume selector (104 steps) and
rotary input selector.

Push buttons: Power, Mono, BAL / SE, Proc, Monitor, Mute.
Also remote buttons: Display, Bal L, Bal R, Hours, Invert,
Gain.


POWER SUPPLIES: Electronically-regulated low and high
voltage supplies. Automatic 50 sec. warm-up/brown-out
mute. Line regulation better than .01%.


NOISE: 1.3uV RMS residual IHF weighted balanced
equivalent input noise with volume at 1 (100dB below 2V
RMS output).


TUBE COMPLEMENT: 2-6H30P dual triode, (Hybrid
JFET/ tube audio circuit, solid-state power supply.)


POWER REQUIREMENTS: 105-130VAC 60Hz (210-
260VAC 50/60Hz) 50 watts maximum.


DIMENSIONS: 19" (48 cm) W x 5.25" (13.4 cm) H
(standard rack panel) x 13.3" (33.8 cm) D. Handles
extend 1.50" (3.8 cm) forward of the front panel.


WEIGHT: 16.3 lbs. (7.4 kg) Net; 23 lbs. (10.5 kg)
Shipping.








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Item can be returned within 7 days of receipt.

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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.

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Buyer will receive a full refund in the original payment method less any shipping charges.

Seller Information

shortnportly 

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Member since January 2015