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Audio Research LS28SE Line Stage

Audio Research LS28SE Line Stage

HK$80,000.00
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Description
FREQUENCY RESPONSE
+0-3dB, 0.4Hz to 200kHz at rated output (Balanced, 200k ohms load)
THD+NOISE
Less than .007% at 2V RMS BAL output.
NOISE
Less than -100dBv at max volume (103).
DYNAMIC RANGE
122dB (AES17).
CROSSTALK
-105dB
GAIN
Main output: 18.5dB balanced output. (12.5dB SE output.)  
Record output: 0dB (Processor input: 0dB balanced out).
INPUT IMPEDANCE
100K ohms Balanced, 50K ohms SE. 8 Inputs – 4 balanced, 4 single-ended.
OUTPUT IMPEDANCE
600 ohms Balanced, 300 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
16V RMS BAL, 8V RMS SE.
RATED OUTPUTS
2V RMS (1V RMS SE) into 200K ohm balanced load 
(maximum balanced output capability is 17V RMS at less than 0.5% THD at 1kHz).
CONTROLS
Rotary volume selector (103 steps) and rotary input selector. 
Push buttons: Power, Menu, Enter, Mono, Invert, Mute
POWER SUPPLIES
Electronically regulated low and high voltage supplies.
Automatic 45 sec. warm-up/brown-out mute.
Line regulation better than .01%.
TUBE COMPLEMENT
(4) 6H30P dual triode.
POWER REQUIREMENTS
105-125VAC 60Hz (200-250VAC 50/60Hz) 130 watts maximum.
STANDBY
2W
DIMENSIONS
Width: 19” (48 cm) 
Height: 6.5” (13.7 cm) 
Depth: 13.7” (34.8 cm)
Handles extend 1.6” (4 cm) forward of the front panel.
Weight: 16.0 lbs. (7.2 kg) Net; 24 lbs. (10.9 kg) Shipping.
Shipping & Payment

Delivery Options

  • Self pick up at showroom
  • Deliver + Install by Aria

Payment Options

  • FPS
  • Bank Transfer
  • Credit Card
Customer Reviews
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