DENON/COLUMBIA MAT-3
¥ 36,800 (around 1968)
Commentary
Solid-state premain amplifier with all-silicon transistor configuration.
SEPP-OTL circuit with epitaxial mesa transistor is adopted.
Equipped with DSC method.
Model Rating
| Type | Pre-main amplifier |
| Maximum power output | 50W+50W 40W + 40W (non-clip) |
| Rated output | 30W + 30W (1% or less strain rate) |
| Frequency characteristic | 15 Hz to 50 kHz ± 1 dB |
| Input terminal | Phono, Mic : 2mV/50k Ω Tape Head : 2mV/200k Ω Aux1 : 100mV/300k Ω Aux2 : 100mV/50k Ω |
| Output terminal | 8 Ω, 16 Ω |
| Accessory circuit | Loudness control Scratch rumble |
| Attached terminal | DIN terminal Headphone Auxiliary power supply terminals |
| Semiconductor used | Transistor : 19 Diode : 7 pcs Thermistor : 4 pcs |
| Power supply voltage | AC100V/110V |
| Power consumption | 30W (No Signal) |
| External dimensions | Width 365x Height 114x Depth 245 mm |
| Weight | 5kg |