Luxman M-05 power amplifier Specifications

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Description: Solid-state class-A stereo amplifier. Rated power: 105W per channel, continuous (8 ohms); 210W per channel, continuous (4 ohms); 400W continuous, bridged (8 ohms). IHF Dynamic Power: Not given. THD+Noise: 0.008%, IM Distortion: 0.025%. Frequency response at 1W output: 10Hz–100kHz, +0, –1.5dB. Slew Rate: 20V/µs. Polarity: Non-inverting. Input impedance: Direct-in, 300k ohms; via attenuator, 45k ohms. Voltage gain: 32dB. S/N ratio: 120dB. Meters: dual analog, with peak-reading circuitry and peak hold functions. Switchable for stereo or bridged (BTL) operation. Switchable 3-speed fan. Switchable for "direct" or attenuator controlled.
Dimensions: 19" W x 10.5" H x 17.25" D, including rear connectors. Weight: 88 lb.
Price: $2800 (1986); no longer available (2018).
Manufacturer: Luxman Division of Alpine Electronics of America, Torrance, CA 90501 (1986). Luxman Corporation, 1-3-1 Shinyokohama, Kouhoku-ku, Yokohama-shi, Kanagawa 222-0033. Japan. Tel: (81) (0)45-470-6980. Web: (2018). US distributor: Luxman America Inc., 27 Kent Street, Unit 122, Ballston Spa, NY 12020. Tel: (518) 261-6464. Web:

Luxman Corporation
US distributor: Luxman America Inc.
27 Kent Street, Unit 122
Ballston Spa, NY 12020
(518) 261-6464

Herb Reichert's picture

no measurements?

John Atkinson's picture
This was 32 years ago, Herb, from my very first issue.

John Atkinson
Editor, Stereophile

Bogolu Haranath's picture

The price for Adcom GFA-555 power amplifier in 1985 was $600 ........... for price comparison :-) .............

Adcom GFA-555 was very favorably reviewed by Stereophile and many other audio magazines ...... Rumor was Nelson Pass designed GFA-555 :-) ............

Bogolu Haranath's picture

DJIA closed at 1895.95 in Dec 1986 ............... DJIA is more than 25,000 now :-) .............