Luxman M-150

Luxman M-1500

October   1 9 7 3 october 1973
1 9 7 6 1976

A 2x 90W powerhouse amplifier in 1973 style : wood enclosure holding a massive "hermetically sealed IC core" LUX transformer , two bigga "10,000µF computor grade" caps, equally massive dual heatsinks, "high-speed" power transistors, and DC output stages.

With a few added niceties : dual-rail and stabilized power-supply, high 250kOhm input, fast 2ms VU meters, fixed or variable inputs, two protection relays and plug-in circuit boards (some).

However, as specifications show, slew rate or power bandwidth were still in late 1960s range...


The M-150 was introduced more than a year before LUX's 50th anniversary in 1975.

In true Luxman tradition, a version of the M-150 was made after 1975, named M-1500.
The M-1500 is an exact equivalent but its name fit better the groundbreaking M-2000, M-4000 and M-6000 amps a as a low-price alternative to the M-2000.
It is the same amplifier, though, but Luxman always was... Luxman.

Also inheriting some from the M-150 was the M-1600, this time placed in the L&G lineup : same front, same controls but an entirely different amplifier inside.
Luxman style - again.

Made to be mated with the CL-350 costing 79,000¥ in 1972 (upped to 88,000¥ in 1974) for a nice 221,000¥ high-end combo... and 4000¥ cheaper than the M-2000.


If the M-2000 and M-4000 sold very well despite their price, the M-150 sold rather poorly and the M-1500 is almost invisible.

Luxman M-150, image 1 Luxman M-150, image 2 Luxman M-150, image 3
Luxman M-150 specifications
Title Value
Circuit : Fully Complementary Symmetry Direct Coupled
with dual-rail power-supply
Output : 2x 75W (8 Ohm, both channels driven)
2x 90W (8 Ohm single channel driven)
Power bandwidth : 10Hz...50Khz (-3dB ; 0,05% THD)
Frequency response : 20Hz...50Khz (+0 / -0,1dB)
7Hz...100Khz (+0 / -1dB)
THD : < 0,003% (8 Ohm ; 75W)
IMD : < 0,003% (8 Ohm ; 75W ; 70Hz : 7Khz = 4:1)
Residual noise : < 0,5mV (94dB)
Crosstalk : > 70dB
Inputs : 270kOhm + 180pF (fixed)
80kOhm...100kOhm + 180pF (variable)
Slew rate : 20V / µs
Phase shift : leading 90° at 4Hz
leading 90° at 100Khz
less than 20° at 20Hz...20Khz
Damping factor : 70 (8 Ohm ; 1W output up to 40Khz)
Subsonic filter : 12dB / octave below 13Hz
PC : 30W...280W
Dimensions : 47,6 x 24,4 x 18,2cm
Weight : 15,5kg.
List price : 146,000¥ (1973)
Luxman M-150 : 0 topic
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page online since : august 2010
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page type : LGT / KNB
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