The Luxman L-31 was designed to seek the best cost performance and to attain simplicity yet retaining the necessary features for true Hi-Fi from the viewpoint of practical use after an exhaustive review of current amplifiers in terms of both circuit and function.
Power output: 38 watts per channel into 8 ohms (stereo)
Frequency response: 15Hz to 50kHz
Total harmonic distortion: 0.05%
Damping factor: 90
Input sensitivity: 2.6mV (MM), 150mV (line)
Signal to noise ratio: 64dB (MM), 83dB (line)
Semiconductors: 27 x transistors, 8 x diodes, 2 x zener diodes, 1 x led
Dimensions: W440 x H160 x D225mm
Serial No. A8504970
Description of Works:
Replaced all electrolytic capacitors.
Replaced and upgraded power supply capacitors.
Replaced small signal transistors in preamp stage.
Replaced and upgraded several polyester capactors.
Cleaned & deoxit potentiometers and switches.
Cleaned & deoxit all RCA sockets.
New speaker gold banana binding posts.
Adjust bias and DC offset.
Cleaned & detailed unit.
New 240vac power lead.
Tested for 20 hours.
Warranty: 6 months.
RV HIFI says:
This classic Luxman L-31 stereo integrated amplifier has been completely restored, with new high quality capactors and transistors. The exterior is in good condition, except for some of the lettering that has come off the front face. Speaker terminals also up-graded to banana plugs. We have found the L-31 is one off Luxman's sweetest sounding amplifiers... magic!