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


Pictures

  • Image: Luxman L-550

Luxman L-550.jpg


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%>