Audio ResearchLS27 -Natural FinishAudio Research LS27 -Natural Finish **Trade In**Audio Research LS27 LINE-STAGE PREAMPLIFIER TECHNICAL SPECIFICATION FREQUENCY RESPONSE+0-3dB, 0.2Hz to 160kHz at rated output (Balanced, 200k ohms load)DISTORTIONLess than .01% at ...3750.00

Audio Research LS27 -Natural Finish **Trade In** [Expired]


no longer for sale

Audio Research LS27

LINE-STAGE PREAMPLIFIER


TECHNICAL SPECIFICATION

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, Monitor, 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 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 (100 dB below 2V RMS output).
 
TUBE COMPLEMENT
2-6H30 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.


Seller Information

iqexchange 
iqexchange  Verified Dealer

Last 12 months
All-time243100.0%

Member since August 2009