Construction

General:

Generously build pre-amplifier made in Japan. Luxman C-03 is a high quality preamplifier with a pure Class A output stage and an excellent phono stage.
Introduced in 1984. The Luxman C-03 has been sold in the USA as cheaper version Luxman CS-100.

 

 

Special features:

All properties a high-end pre-amp should have are in this design.

C03 - M03 Front ^

 

Specifications:

Luxman C-03.
Output voltage: 1 Volt per channel at ~ 4K Ohm.
Frequency range: 15 - 25,000 Hz (+/- 1.0 dB)
Harmonic distortion: less than 0.004%
Intermodulation distortion: less than 0.01%
Signal-to-noise ratio: >105 dB
Crosstalk damping: >65 dB
Treble control: +/- 10dB at 20kHz
Bass control: +/- 10dB at 50 Hz
Loudness control: at 100 Hz + 10dB and at 10kHz + 3dB
Noise & rumble filter: -6dB / octave
Input sensitivity @ 1kHz and maximum output:
         Record player DIN: 2,5mV @ 47k Ohm.
         Tape A: 150mV @ 80k Ohm.
         Tape B: 150mV @ 80k Ohm.
         Tuner: 150mV @ 80k Ohm.
         Tape monitor: 150mV @ 80k Ohm.
         MC input: 0,2 mV @ 100 Ohm.
Output impedance: headphones 600 Ohm.
Power supply: 220/250 volts 5W max.
Dimensions: 80 x 250 x 430 mm.

 

Interior  ^

 

User Manual:

Click here to download the C03 Usermanual.

Front Black version ^

 

Schematic:

Click here to download the service manual of the Luxman C03

 

Modifications:

To get a fine high quality pre-amp you have to do little upgrading, the power supply is quite simple.

The used electronic parts are of good quality, but aging is an issue so some parts should be replaced.


 

Backpanel ^

 

Sound:

The sound of the restored C-03 is excellent.

 

SET

 

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