Audio Database
A-250S
Commentary

This is a cassette deck equipped with a Dolby system developed by inheriting the basic performance of A-350 such as head, mechanism, amplifier circuit, etc.

Equipped with a Dolby noise reduction system.
In addition, the MIC/LINE input selection switch is mounted to show the Dolby effect.

HD ferrite head is used for the head.

Equipped with a tape selector for chrome tape.

Equipped with a tape-run pilot lamp that shows the tape running at a glance.

Equipped with electronic auto end stop.

Model Rating
Type Stereo cassette deck
Track format 4-track, 2-channel stereo system
Tape used C-60, C-90 Type
Tape speed 4.8cm/s
Motor Hysteresis synchronous outer rotor motor
Wow and flutter 0.15%
Early winding time Up to 90 seconds (C-60 tape)
Frequency characteristic 30 Hz ~ 16 kHz (Chrome Tape)
30 Hz ~ 13 kHz (Hi-Fi Tape)
Signal-to-noise ratio 50dB
58dB(Dolby in)
Input Sensitivity / Impedance Line : 0.1V/50k Ω
Microphone : 0.25mV/-72dB/600 Ω ~ 10k Ω
Output Level / Impedance Line : 0.3V/10k Ω or more
Headphone : 8 Ω
External dimensions Width 425x Height 102x Depth 250 mm
Weight 5.1kg