DENON/COLUMBIA MA-20
¥ 32,800 (around 1968)
Commentary
A comprehensive FM/AM amplifier selected as a Good Design by the Ministry of International Trade and Industry.
Uses FM high-sensitivity cascode tuner.
Equipped with a scratch filter.
DSC method is adopted and various programs can be connected.
Equipped with FM multi-beacon.
Model Rating
Type | FM/AM integrated amplifier |
Rated output | 15W + 15W maximum 10W + 10W (Unstrained Continuous) |
Tuner sensitivity | AM : 10 μ V/m (S/N 20 dB) FM : 3 μ V/m (S/N 30 dB) |
Frequency characteristic | 20 Hz to 20 kHz ± 3 dB |
Input terminal | Mic:5mV Phono MAG:3mV Phono XTAL, Aux : 100 mv |
Output terminal | 4 Ω, 8 Ω, 16 Ω |
Accessory circuit | Scratch filter Tape monitor |
Attached terminal | DIN terminal Headphone Auxiliary power supply |
Semiconductor used | Vacuum Tubes : 11 Transistor : 7 pcs Diode : 12 pcs |
Power supply voltage | AC100V |
Power consumption | 90W (at FM) |
External dimensions | Width 453x Height 145x Depth 337 mm |
Weight | 13kg |