Luxman L-550 specifications

Category : Integrated amplifier

Brand : Luxman

General

Connections

Technical data

Special equipment

  • Manufacturer: Luxman
  • Model: L-550
  • Type: Pure Class-A integrated amplifier
  • Years of construction: 1981 - 1984
  • Manufactured in: Japan
  • Color: Champagne-colored front, rosewood housing
  • Power consumption: 310 W (max.)
  • Dimensions: 453 x 174 x 460mm (WxHxD)
  • Weight: 18 kg
  • Factory price approx.: 250'000 yen (Japan, 1981), 4.000,- DM
  • Number of inputs:
    • Phono MM Sensitivity: 1.6 mV, Impedance switchable: 100 Ohm , 50 kOhm , 100 kOhm
    • Phono MC Sensitivity: 0.8mV, 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:
    • Speaker: 4 x screws/terminals, Headphones: 1 x jack
  • Phono MM Sensitivity: 1.6mV, Impedance switchable: 100 ohm, 50 kOhm , 100 kOhm
  • Phono MC Sensitivity: 0.8mV, 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
  • Speaker: 4 x screws/clamps, headphones: 1 x jack
  • Continuous power Class- A (with total harmonic distortion <0.005%)
    • 8 ohm: 2 x 70W
    • 4 ohm: 2 x 110W
  • Dynamic power
    • 8 Ohm :
    • 4 ohms:
  • Total harmonic distortion: < 0.005% (8 ohms, -3dB, 20Hz...20kHz)
  • Attenuation factor:
  • Frequency response: Phono 20 - 20,000 Hz, ± 2dB, Tuner, Tape, Aux 10 - 100,000 Hz, -1dB
  • Signal-to-noise ratio: 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:
  • 8 Ohm : 2 x 70W
  • 4 Ohm : 2 x 110W
  • 8 Ohm :
  • 4 Ohm :
    Bass: ±9dB
  • Treble: ± 9dB
    Subsonic Filter
  • Noise filter
  • Preheating device
  • Warm-up indicator
  • Mono switch
  • Phono-Straight Circuit
  • Signal-Off switch
  • Switchable tone control
  • Switchable recording outputs
  • Tape Monitor and tape transfer device for 3 decks
  • Speaker selector switch
  • Additional front inputs for phono and monitor
  • Pre-/power amplifier separable
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