Audio Research LS15

 

SOLD $2,995.00

AUG 2007

 

  • Black Face Plate

  • Original Box & Owner's Manuals

  • Mint condition

  • Balanced & S.E. Inputs/Outputs

  • Remote Control

  • ARC 6922 tube circuit

  • 1996 - R.R.P. U.S.$2,995.00

The predecessor to the LS16

 

 

 

 

Fully featured Balanced inputs and outputs!

 

4 x 6922 tubes with InfiniCap's

 

Huge over size power transformer and regulator.

 

Discrete relays for all inputs.

 

 

Original Box

 

 

Specifications:
 

Frequency response

± .5dB, 2Hz to 30kHz at rated output. -3dB points below 0.3Hz and above 80kHz.

Distortion (THD)

Less than .01% at 2V RMS balanced output

Noise & hum

25µV RMS residual IHF weighted balanced noise output with gain control at minimum, 98dB below 2V RMS output

Gain

Main output: 12.5dB balanced, 6.5dB SE

 

Tape output: 0dB

Input impedance

200K ohms balanced, 100K ohms SE

Output impedance

600 ohms balanced, 300 ohms SE Main (2), 40K ohms minimum load and 1000pF maximum capacitance.

Output polarity

 

Maximum input

14V RMS maximum balanced, 7V RMS SE

Rated outputs

2V RMS (1V RMS SE) into 200K ohm balanced load (maximum balanced output capability is 30V RMS at less than 1% THD at 1kHz

Power supplies

Electronically regulated low and high voltage supplies. Automatic 30 second warmup mute. Automatic brown-out mute.

Tube complement

(4) 6922/ECC88 dual triode. (Vacuum tube audio circuit, solid-state power supply)

Power requirements

100-135VAC 60Hz (200-270VAC 50/60Hz) 35 watts maximum

Other

Inputs: SE1, SE2, SE3, SE4, Bal, Direct (Bal) and Monitor (SE)

 

Outputs: 2 Main Bal, 1 Main SE, 1 Record SE

Dimensions

19" (48 cm) W x 5.25" (13.3 cm) H (standard rack panel) x 10.5" (26.7 cm) D. Handles extend 1.50" (3.8 cm) forward of the front panel.

Weight

11.6 lbs. (5.3 kg) Net; 20 lbs.(9.1 kg) Shipping.