Audio Database

DC-7
Commentary

A receiver that combines an amplifier, cassette deck, and FM/AM radio.

Equipped with auto-repeat, Oatley wind, automatic selection of up to 9 songs, copy out, timer mechanism.

Model Rating
Type Deck receiver
Amplifier Unit
Rated output 28W+28W(1kHz:35W+35W)
Total harmonic distortion factor (Phono → SP) 0.03%
Input sensitivity MM:2.5mV
Microphone : 0.35 mv
SN ratio (input short-circuit) MM:73dB
<FM Part>
Practical sensitivity 11.2dBf
Effective selectivity 50dB
Signal-to-noise ratio Stereo : 63 dB
Mono : 68 dB
Total harmonic distortion factor Stereo : 0.3%
Mono : 0.15%
<AM Department>
Practical sensitivity 300 μ V/m
Signal-to-noise ratio 55dB
<Deck portion>
Track system 4Tr2-ch stereo
Tape CrO2, NORMAL, METAL
Heads Rex1
Erase x1
Motor DC servo
Wow / flutter (JIS) 0.048%W.rms
Overall frequency characteristic Metal : 30 Hz to 17 kHz
Overall signal-to-noise ratio Metal : 61 dB
<General>
Power consumption 75W
Pwer AC100V 50Hz/60Hz
External dimensions Width 450x Height 117x Depth 323 mm
Weight 8.2kg