Luxman C-383
The Luxman C-383 is a preamplifier, and one of the less-documented models in Luxman's 1990s lineup. Nearly everything known about it comes from two period sources. One is an equipment profile in Audio (January 1995, p.98) that reviewed it alongside the companion M-383 power amplifier. The other is a brief listing in the February 1998 issue of HI-Fi-Stereo-Buyers (p.84).
The Audio profile published the rated frequency response - 20 Hz to 20 kHz within +0/-3 dB on phono (RIAA), and 10 Hz to 100 kHz within +0.2/-0.8 dB on the line stage (p.98). The lab work measured gains and IHF sensitivities for the various input and output combinations. It also examined square-wave responses and checked the Loudness button's effect at a -20 dB volume setting (p.102). A phono noise table used 100-ohm loading in MC mode and IHF simulated moving-magnet loading in MM mode. It recorded IHF signal-to-noise ratios of 75.0 dB in MC mode and 78.0 dB in MM mode (p.109).
The HI-Fi-Stereo-Buyers listing describes the C-383 as a preamp with three video inputs and a switchable MM/MC phono input. Beyond that, the record is thin. Original pricing, production dates, and circuit details are not confirmed in the surviving sources.
What's firmly known, from those period sources:
- Preamplifier; reviewed and listed alongside the Luxman M-383 amplifier
- Rated response: 20 Hz–20 kHz +0/–3 dB (phono RIAA); 10 Hz–100 kHz +0.2/–0.8 dB (line)
- Switchable MM/MC phono input; three video inputs
- Measured IHF S/N: 75.0 dB (MC), 78.0 dB (MM)
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