Description
Audio Research LS28SE Preamplifier 50th Anniversary Special Edition
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All Audio Research products sold by our company are made in the USA.
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The ARC LS28SE is currently on display in our showroom. You can schedule a listening session (TEL: 3902 3606).
- 50th Anniversary Model
- One of the world's best tube amplifier brands
- Use manufacturer's reference-grade coupling capacitors
- No negative feedback, four 6H30 fully balanced amplifier circuits
- Support AVbypass
- Designed and manufactured in the USA
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Two outputs for easy connection to Bi Amp.
- RS232 control support
Audio Research LS28SE SPEC:
● Frequency response: +0-3dB, 0.4Hz to 200kHz at rated output (Balanced, 200k ohms load)
● Total harmonic distortion < 0.007% 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 power consumption: 2W
● Dimensions: 48 x 13.7 x 34.8 cm
● Weight: 7.2Kg