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Luxman LV-105U

Stereo Integrated Amplifier (1988-90)

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Luxman LV-105U


Power output: 70 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 100kHz

Total harmonic distortion: 0.25%

Input sensitivity: 0.15mV (MC), 2mV (MM), 150mV (line)

Signal to noise ratio: 47.5dB (MC), 69.4dB (MM), 81.5dB (line)

Semiconductors: 7 x IC, 43 x transistors, 10 x FET, 14 x zener diodes, 33 x diodes, 2 x vacuum tubes

Dimensions: 438 x 148 x 353mm

Weight: 11.5kg


service manual   English -

instruction/owners manual   Francais - Ivy Caudieus

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At Home In The 90s

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hammertoe's picture

re: Luxman LV-105U

Does anyone have a parts conversion chart for the following three transistors and one diode on a Luxman LV 105u? Transistors part #s from unit. c3423 j115 k465. The diode is also from unit. 7301t3. The parts overheated on a bi-amp wiring into 4 ohm and the service shop has had my unit for 9 months without any progress. Thanks in advance for any help. It appears no one around Oklahoma City knows how to fix it........ EDIT..... Update one hour after posting.... . . . .In the process of writing this message, I became more suspicious of the part numbers the service shop owner was giving me. He had already had the unit 7 months and had run out of excuses, probably. It is possible that he has made up the part numbers, because I compared the above numbers he said came from the unit with the service manuals from hifiengine. No match I hope I am wrong.

re: Luxman LV-105U

I'm not that technical but there's another conversation on audio karma that is a little old but has become active in the past few weeks. There may be someone there who can help.


Good luck,

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