Luxman Laboratory Reference Series 5M-20 specifications

Category : Power amplifiers

Brand : Luxman

General

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Tech nical data

Special equipment

Luxman Product Overview: Luxman < /p>

Manufacturer: Luxman
Model: Laboratory Reference 5M-20 (Identical to 5M-21, but without VU meter)
Type: DC Stereo Power Amplifier
Years of construction: 1977 - 1982
Manufactured in: Japan
Color: Silver
Power Consumption: 450 W
Dimensions (WxHxD): 442 x 146 x 400mm
Weight: 18.8kg
Factory price approx.: 210'000 yen (Japan, 1977), 1095 US$, 2'950 DM

Number of inputs:
- Direct in: 890mV, 50 kOhm
- Number of outputs:
  - 2 x Speakers
  - 1 x Headphone jack plug
- Direct in: 890mV, 50 kOhm
- 2 x Speakers
- 1 x Headphone jack plug
- Continuous power (with total harmonic distortion)
  - 8 Ohm s: 2 x 100W (10 Hz ... 20 kHz, 0.005% THD)
  - 4 Ohm s: 2 x 150W DIN
- Dynamic power
  - 8 Ohm s:
  - 4 Ohm s:
- Total harmonic distortion: < 0.005%
- Damping factor: 80 at 8 ohms< /li>
- Frequency response: 0 - 100'000 Hz (- 1 dB)
- Signal-to-noise ratio: >120 dB
- Crosstalk attenuation: - 70 dB (20 Hz ... 20 kHz)
- Noise voltage:
- 8 Ohm s: 2 x 100W (10 Hz ... 20 kHz, 0.005% THD)
- 4 Ohm s: 2 x 150W DIN
- 8 Ohm s:
- 4 Ohm s:
- Real Time Processed DC Stereo Power Amplifier
- Function Indicator Lamp: "White" = Normal operation, "Red" = DC Offset
- Separate Level control L / R on the back
- Switch to the back for speakers: "Direct Coupling - General Speaker", "Input Capacitor - Electrostatic Speakers"
- Output for Peak-LED display
- The Luxman Laboratory Reference series made its debut in 1976.
- Highlights were the first Real Time Processed DC amplifier and the first synthesizer tuner.
- Other components of the Laboratory Reference Series were the preamplifier 5C-50 and the power amplifier 5M-21, the 5G-12 Graphic Equalizer, the 5F-70 Parametric tone controller and the 5E-24 LED level indicator unit.
- In 1977 and 1978, the Luxman Laboratory Reference series was expanded to include the following devices: The 5L-15 integrated amplifier, the 5M-20 power amplifier without VU meter as well as a cheaper tuner, the 5T-10 and the cassette Tape Deck 5K-50. The latter was probably purchased from a third-party manufacturer.
- The functionality, performance and innovative design made the series unique and unmistakable.
- Special features were:
  - The world's first DC amplifier and synthesizer tuner
  - Computer-controlled cassette deck
  - Stackable components (the 4 device feet had corresponding recesses on the device below)
- The world's first DC amplifier and synthesizer tuner
- Computer-controlled Cassette deck
- Stackable components (the 4 device feet had corresponding recesses on the device below)
- Other models of the same series:
  - 5C-50 preamplifier
  - 5M-21 power amplifier
  - 5T-50 Tuner
  - 5F-70 Tone controller
  - 5G-12 Equalizer
  - 5E-24 Level Meter
  - 5L-15 Integrated Amplifier
  - 5M-20 Power Amplifier
  - 5T-10 Tuner
  - 5K-50 Tape
- 5C-50 Preamplifier
- 5M-21 Power Amplifier
- 5T-50 Tuner
- 5F-70 Tone Control
- 5G-12 Equalizer
- 5E-24 Level Meter
- 5L-15 Integrated Amplifier
- 5M-20 Power Amplifier
- 5T-10 Tuner
- 5K-50 Tape
- Luxman Laboratory Reference Series Description of Luxman USA
- External Review: Website "Hifi Studio": [1]
- External Link: Website "The Vintage Knob": [2]
- External Link: Website "Audio Heritage, Japan": [3]
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Luxman Laboratory Reference Series 5M-20 specifications

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Luxman Laboratory Reference Series 5M-20 relate