Luxman L-550

Data

General

• Manufacturer: Luxman
• Model: L-550
• Type: Pure Class-A integrated amplifier
• Years of manufacture: 1981 - 1984
• Made in: Japan
• Color: front champagne, rosewood cabinet
• Power consumption: 310 W (max.)
• Dimensions: 453 x 174 x 460mm (WxHxD)
• Weight: 18 kg
• Original price approx.: 250'000 Yen (Japan, 1981), 4'000 DM

Connections

• Number of inputs:
  • Phono MM sensitivity: 1.6 mV, impedance switchable: 100 Ohm, 50 kOhm, 100 kOhm.
  • Phono MC sensitivity: 0.8 mV, impedance switchable: 40 Ohm, 100 Ohm, 300 Ohm
  • Tuner sensitivity: 220 mV, impedance: 40 kOhm

Aux: Sensitivity: 220 mV, Impedance: 40 kOhm

• • Tape 1 & 2: Sensitivity: 220 mV, Impedance: 40 kOhm
• Number of outputs:
  • Loudspeaker: 4 x screws/clamps, Headphone: 1 x jack

Technical Data

• Continuous power Class- A (at distortion factor <0,005%)

8 Ohm: 2 x 70W 4 Ohm: 2 x 110W

• Dynamic power
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: < 0,005% (8 Ohm, -3dB, 20Hz...20Khz)
• Dämpfungsfaktor:
• Frequenzgang: Phono 20 - 20'000 Hz, ± 2dB, Tuner, Tape, Aux 10 - 100'000 Hz, -1dB
• Signalrauschabstand: Phono MM >90dB, Phono MC >80dB, Tuner, Tape, Aux >110dB.
• Stereo channel separation:
• Tone control:
  • Bass: ± 9dB
  • Treble: ± 9dB
• Loudness:
• High Filter: 9kHz
• Low Filter (Subsonic): 15Hz
• Mute:
• Direct/Line-Straight:

Special Features

• Subsonic Filter
• Noise filter
• Preheating device
• Warm-up indicator
• Mono switch
• Phono-Straight switch
• Signal-Off switch
• Switchable tone control
• Disconnectable recording outputs
• Tape monitor and tape dubbing for 3 decks
• Speaker selector switch
• Additional front inputs for phono and monitor
• Separable pre/power amplifier

Notes

• Other models in the same series:
• Luxman L-510
• Luxman L-530
• Luxman L-550

Pictures

• Image: Luxman L-550

Reports

• Review Hifi-Stereofonie 12/1982: "The Luxman L-550 is an integrated amplifier with high transmission qualities."

Links

• External link: "Hifi Archive" website: [1]

• External Link: "The Vintage Knob" website: [2]

• External link: "Audio Database, Japan" website: [3]</0,005%>