Marantz DMA-1
¥ 125,000 (released in 1989)
Commentary
A monaural power amplifier developed as a power amplifier to be paired with DAC-1 under the theme of "The best technology for the best music playback".
The output stage is of parallel push-pull configuration.
The power transformer uses a toroidal type with low loss and low leakage flux.
Noise is reduced by copper plated chassis.
Model Rating
| Type | Monaural power amplifier |
| Rated output | 50W (8 Ω, 20 Hz to 20 kHz, THD0.01%) |
| Total harmonic distortion factor | 0.01% |
| Frequency characteristic | 10 Hz to 100 kHz + 0 -1dB |
| Input Sensitivity / Impedance | 1V/47k Ω |
| Signal-to-noise ratio (A curve) | 110dB |
| Pwer | 100 VAC, 50Hz/60Hz |
| Power consumption | 55W (Electrical Appliance and Material Control Law) |
| Maximum external dimensions | Width 250x Height 84x Depth 215 mm |
| Weight | 6kg |