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Luxman L-410

Stereo Integrated Amplifier (1982-85)

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Luxman L-410

Specifications

Power output: 75 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 100kHz

Total harmonic distortion: 0.015%

Input sensitivity: 0.1mV (MC), 2.5mV (MM), 200mV (line)

Signal to noise ratio: 67dB (MC), 87dB (MM), 110dB (line)

Output: 200mV (line)

Dimensions: 453 x 425 x 135mm

Weight: 13kg

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Comments

re: L-410

I looked to newly posted SM by Ivy, but unfortunately there are the same errors. For example cathods of the diode D902a is on the PCB layout connected to to the cathod D904a (it means to the pin 4 of connector CT901a) but on the schematic is D902a connected to the pin 5 of CT901a and also to the base of Q902a).

Second mistake is wrong connection +55V (C826) to R845 and -55V to R844, but on the PCB it is OK (+55V to R844 and -55V to R845).

I dont´t know, how many errors is on the schematic in a total, but this is a terrible.

Anyone have a schematic with all the bugs fixed?

re: L-410

Hi friends :-)

I also have this perfect amplifier L-410. I like it.

What I do not like is a big quantity of errors in the service manual. Often disagree schematic with PCB board layout.
Do you have anyone errata about this service manual or just corrected schemas? We could process it (I would do it) and put the corrected scheme here. Thanks.

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