Luxman L-550AX

Data

General

• Manufacturer: Luxman
• Model: L-550 AX
• Type: Class-A integrated amplifier
• Years of manufacture: 2012 - 2016
• Made in: Japan
• Colour: front silver, cabinet grey
• Remote control: yes, RA-17
• Power Consumption:
• Dimensions: 440 x 178 x 454 mm (WxHxD).
• Weight: 24,3 kg
• Original price approx.: 5'290 Euro

Connections

• Number of inputs:
  • Phono MM: 2.5 mV, 47 kOhm
  • Phono MC: 0.3 mV, 100 Ohm
  • Line 1, 2, 3, 4: 180 mV, 42 kOhm
  • Balanced XLR: 180 mV, 55 kOhm
  • Tape Play: 180 mV, 42 kOhm
  • Main In: 550 mV / 47 kOhm
• Number of outputs:
  • Tape Rec: 180 mV
  • Pre Out: 1 V
  • Headphones:
  • 2 pairs of speakers

Specifications

• Continuous power Class-A:
  • 8 Ohm: 2 x 20 W (RMS, 20 Hz - 20 kHz).

4 Ohm: 2 x 40 W

• Dynamic power Class-A:
  • 8 Ohm:
  • 4 Ohm:
• Total harmonic distortion: < 0.007 %
• Dämpfungsfaktor:
• Frequenzgang:
  • Phono MC: 20 Hz - 20.000 Hz
  • Phono MM: 20 Hz - 20.000 Hz
  • Hochpegel: 20 Hz - 100.000 Hz
• Signalrauschabstand:
  • Phono MC: >75 dB
  • Phono MM: > 91 dB
  • High level: > 105 dB
• Stereo channel separation:
• Tone control:
  • Bass: ± 8 dB at 100 Hz

Treble: ± 8 dB at 100 Hz

• Loudness: + 7 dB at 100 Hz, + 5 dB at 10 kHz
• Low Filter (Subsonic): yes
• Mute: yes

Special Features

• 2 VU meters
• Pure Class-A operation
• Pre- and power amplifier separable

Thus bi-amping possible or integration in an AV system

• Rec Out selector
• Illuminated display for:
  • Monitor Indicator: Illuminates when the monitor switch is in the On position.
  • Power Indicator: Instruments indicate level in decibels and are illuminated when the amplifier is on.

Subsonic Indicator: Illuminates when the Subsonic switch is in the On position.

• • Mono Indicator: Illuminates when the mono switch is engaged.
    • Notes: Subsonic, Mono and Loudness can only be switched using the supplied remote control (RA-17A).
  • Standby indicator: Lights up when the power plug is connected to a wall outlet and the power switch is in the off position.

Loudness Indicator: Lights when the Loudness switch is activated. Line Direct Indicator: Lights when the Line Straight switch is activated. Separate Indicator: Illuminates when the Preamp/Power Amplifier Separation switch is activated.

• RCA terminal with 18 mm center distance
  • The introduction of RCA input and output terminals with 18 mm centre distance allows the use of even high quality interconnect cables with large connectors
• Line-Phase Sensor
• Gold-plated input and output connectors

Remarks

• History of the model range of the same series:
• Luxman L-550 from 1981 - 1984
• Luxman L-560 from 1985 - 1988
• Luxman L-570 from 1989 - 1994
• Luxman L-570X's from 1992 - 1994
• Luxman L-570Z's from 1992 - 1994
• Luxman L-580 from 1994 - 1996
• Luxman L-550AII from 2005 - 2011
• Luxman L-550AX from 2012 - 2016
• Luxman L-550AXII as of 2017
• Luxman L-590AII from 2005 - 2011
• Luxman L-590AX from 2012 - 2015
• Luxman L-590AXII as of 2015

Pictures

• Extract from brochure: L-550 AX Front

• Excerpt from brochure: L-550 AX rear panel

Links

• External Link: "Luxman Germany" website: [1]

• External Link: "Luxman Worldwide" website: [2]</0.007>