Luxman M-60
The Luxman M-60 is a power amplifier from the Japanese manufacturer's solid-state era. Surviving documentation on this particular model is thin. The record shows a dual-mono, dual-transformer design that runs in pure Class A up to 10W, then switches to Class AB beyond that point. That gives it a somewhat unusual operating envelope for a unit of its rated output.
The amp is rated at 60W per channel into 8 ohms, rising to 90W into 4 ohms. Frequency response is specified as 20Hz-20kHz ±0.5dB, with total harmonic distortion listed at 0.05% at rated output. Signal-to-noise ratio is 105dB, damping factor is 100, and input sensitivity is 1V.
Some specifications remain undocumented. No dimensions or weight appear in the available record, and the production years and original pricing are unconfirmed. Period reviews of Luxman power amplifiers from this era emphasized their sturdy construction and metering capabilities High-Fidelity (October 1975, p.23). The M-60 includes XLR balanced inputs and a substantial, tank-like build.
- Power output: 60W/ch into 8Ω; 90W/ch into 4Ω
- Class A up to 10W, Class AB beyond
- Frequency response: 20Hz–20kHz ±0.5dB
- THD: 0.05% at rated output
- S/N ratio: 105dB
- Damping factor: 100
- Input sensitivity: 1V
- Dual-mono, dual-transformer construction
- XLR balanced inputs
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