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Luxman L-80

Solid State Integrated Amplifier (1978-79)

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Luxman L-80

Specifications

Power output: 40 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 50kHz

Total harmonic distortion: 0.1%

Damping factor: 35

Input sensitivity: 2.5mV (MM), 60mV (DIN), 120mV (line)

Signal to noise ratio: 63dB (MM), 78dB (line)

Speaker load impedance: 4Ω to 16Ω

Semiconductors: 33 x transistors, 8 x diodes, 4 x varistors, 2 x zener diodes, 1 x IC

Dimensions: 450 x 160 x 300mm

Weight: 10.1kg

Year: 1978

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Reviews

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rating
Reviewed May 15th, 2017 by VintageAudioRepairs

I quite agree with nathapresanna.
I have re-capped with Nichicon gold and silmic 2, tried bipolar Nichicon muse but not much difference. Highs are quite nice but lacking bit low range in my opinion. Overall , it is very nicely build and powerfull amplifier. In my tests, frequency range produced nice flat curve as stated in the manual and power output was very close to manufacturers specs. If you can get one, you will be happy. If you repairing one, make sure you change output transistor insulators to silicone type.
(tested with DALI Concept 6 and Paradigm 9se mkII)

rating
Reviewed May 21st, 2014 by nathapresanna

Very warm sounding amplifier, op amp phono stage could be better, recapped with silmic and fine gold , muse. Very good detail and musical. Imaging is great, Pcb burns easily if soldering is too hot or too long, need good soldering and skills to work on these.. Otherwise very well built amp..

 

Comments

Giant Transformer

Help help help...
my Luxman L-80V has a busted transformer. No power going to the unit at all. The light on top does not come on and that giant transformer makes a buzzying noise.
I cannot find the specs for the transformer. Any ideas?

Thanx a lot!
Mike

ryuuoh's picture

Bias and DC offset pots

I recently repaired an L-80V. The service manual has the bias and DC offset pots reversed. VR101 is DC offset, and VR102 is bias.

re: Bias and DC offset pots

^ This is very important! I hadn't read your comment and now the unit I was adjusting is blowing fuses and I can't measure to get it back into spec.

re: Bias and DC offset pots

Since no one has posted this here yet, Thanks!

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