Luxman L-55A

Data

General

• Manufacturer: Luxman
• Model: Luxman L-55 A
• Type: Duo-Beta integrated amplifier
• Years of manufacture: 1979 - 1981
• Made in: Japan
• Color: Front silver, wood veneer Rio rosewood
• Remote control: No
• Power consumption: 300 W max.
• Dimensions: 466 x 181 x 378 (WxDxH)
• Weight: 15,3 kg
• Original price: 119'000 Yen (Japan, 1979), 1'800 DM

Connections

• Number of inputs:
  • PHONO 1 MM: 1.5 mV, 50 kOhm, 450 mV max.
  • PHONO 2 MC: 1.5 mV, 100 Ohm
  • PHONO 3 MC: 0.05 mV, 2 Ohm - 0.15 mV, 40 Ohm
  • TUNER: 220 mV, 20 kOhm
  • AUX 1, 2: 220 mV, 20 kOhm
  • Tape Play 1, 2: 220 mV, 20 kOhm

Tape Play DIN: 180 mV

• • Main In: 220 mV, 820 kOhm
• Number of outputs:
  • Tape Rec 1, 2: 150 mV, 60 kOhm
  • Pre Out: 220 mV, 220 Ohm
  • Headphones: (jack 6,35 mm)
  • 2 pairs of speakers

Technical Data

• Continuous power (at distortion factor)
  • 8 Ohm: 2x 80 W (20 Hz - 20 kHz, distortion factor 0.02 %)
  • 4 Ohm:
• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: 0.05 %
• Attenuation factor: 50 at 8 Ohm
• Frequency response:
  • Phono MM: 20 Hz - 20 kHz, ± 0.2 dB

Phono MC: 20 Hz - 20 kHz, ± 0.2 dB High level: 10 Hz - 100 kHz, - 1 dB

• Signal-to-noise ratio:
  • PHONO MM: > 80 dB

PHONO MC: > 80 dB TUNER: 100 dB

• • AUX: 100 dB
  • Tape: 100 dB
• Crosstalk attenuation: < 60 dB
• Tone control:
  • Bass: ± 10 dB
    • Operating frequencies: 150 Hz / 300 Hz / 600 Hz

Treble: ± 10 dB

• • • Application frequencies: 1.5 kHz / 3 kHz / 6 kHz
• Filters:
  • High Cut:
    • 9 kHz - 12 dB/octave
    • 15 kHz - 12 dB/octave

Low Cut:

• • • 15 Hz - 18 dB/octave
    • 30 Hz - 12 dB/octave
• Low Boost: 70 Hz or 150 Hz

Special Features

• Loudness switch
• Mono/Stereo selector
• Speaker selector switch: Off/Main/Remote

Notes

• Other models in the same series:
• Luxman L-55A
• Luxman L-58A

• Corresponding Tuner:
• Luxman T-50A

• Preamplifier of the same series:
• Luxman C-5000A

• Power amplifiers of the same series:
• Luxman M-2000
• Luxman M-4000
• Luxman M-4000A
• Luxman M-6000

Pictures

• Extract from brochure: Luxman L-55 A (identical to L-58 A, only output power is different

Links

• External link to website "The Vintage Knob": [[1]]