DENON/COLUMBIA MA-400
¥ 69,800 (around 1968)
Commentary
A comprehensive FM/AM amplifier designed for professional use as well.
Uses FM high-sensitivity cascode tuner.
Equipped with FM mono-stereo automatic switching mechanism.
By using a large number of NF circuits, wide-band reproduction is realized.
Equipped with a protection circuit.
Model Rating
| Type | FM/AM integrated amplifier |
| Maximum power output | 36W+36W 32W + 32W (strain-free continuous) |
| Rated output | 20W + 20W (0.3% or less) |
| Tuner sensitivity (S/N 30dB) |
AM : 500 μ V/m FM : 4 μ V/m |
| Frequency characteristic | 10 Hz to 30 kHz ± 1 dB |
| Input terminal | Tape HD : 1.5mV/100k Ω Phono MAG : 3mV/50k Ω Phono XTAL : 100mV/100k Ω Aux : 50mV/900k Ω MIC : 6mV/50k Ω Tape Monitor : 150mV/100k Ω |
| Output terminal | 8 Ω, 16 Ω |
| Accessory circuit | Rumble scratch filter Tone control FM-AFC |
| Attached terminal | DIN terminal Headphone Auxiliary power supply |
| Semiconductor used | Vacuum Tube : 21 Pieces Semiconductor : 26 |
| Power supply voltage | 100 VAC / 110 VAC (Switch Switching Type) |
| Power consumption | 190W |
| External dimensions | Width 453x Height 164x Depth 477 mm |
| Weight | 20kg |