NEC M-50
¥ 50,000 (around 1986)
Commentary
A single channel amplifier with volume.
It is equipped with 3 input jacks including the CD direct position, and even though it is small, one M-50 can connect 2 channels of speakers.
Equipped with a high-cut / low-cut filter, it can be used as a dedicated amplifier for super woofer or noise cut for Dolby surround sound by combination.
A 2-ton steel plate is used for the bottom plate, and the sintered alloy used in A-10II and A-10III is used for the insulator.
Model Rating
| Type | Single-channel amplifier |
| Effective power | 100W (20 Hz ~ 20 kHz, 0.006%, 6 Ω) |
| Total harmonic distortion factor | 0.004% (20 Hz to 20 kHz, 8 Ω, at 75W output) |
| Frequency characteristic | 5 Hz to 300 kHz |
| Input terminal | A. Direct : 1V/20k Ω B. Filter Compatible : 1V/47k Ω C. Filter Compatible : 150mV/47k Ω |
| Output terminal | Two parallel signals of input b. and c. Speaker A/B switching |
| Filter | (-3dB, 6dB/oct) Low-cut : 18, 35, 70, 150, 500 Hz High Cut : 150, 500, 7k, 15k, 30 kHz |
| Power supply voltage | 100 VAC, 50Hz/60Hz |
| Power consumption | 100W |
| External dimensions | Width 210x Height 132x Depth 423 mm |
| Weight | 8.2kg |