Audio Research LS28SE Preamp

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Sale priceHK$88,000 Regular priceHK$125,800


Audio Research LS28SE Preamplifier 50th Anniversary Special Edition

  • All AUDIO RESEARCH licensed products sold by our company are made in the United States.

  • ARC LS28SE is on display in the showroom, and you can make an appointment to listen to it (TEL: 3902 3606)

  • From now on, when you purchase ARC LS28SE, REF6SE preamplifier, you will receive a free "CLARUS CRIMSON 3' Fever Power Cord" (valued at $20,500).

    First come first served, while supplies last!

50th Anniversary Another Edition: Audio Research LS28SE Preamplifier Special Edition – MY-HiEND

  • 50th anniversary model
  • One of the best tube amp brands in the world
  • Use factory reference grade coupling capacitors
  • No negative feedback, four 6H30 fully balanced amplification lines
  • Support AVbypass
  • Designed and manufactured by American original factory
  • Two sets of outputs for easy Bi Amp connection
  • Support RS232 control support

Audio Research LS28SE

Audio Research LS28SE SPEC:

● Frequency response: +0-3dB, 0.4Hz to 200kHz at rated output (Balanced, 200k ohms load)
● Total harmonic distortion<.007% at 2V RMS BAL output
● Noise<-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).
● Maximum input: 16V RMS BAL, 8V RMS SE.
● Output: 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).
● Standby consumption: 2W
● Dimensions: 48 x 13.7 x 34.8 cm
● Weight: 7.2Kg

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