Ref. Hi-Fi Engine see link:
The most perfect cassette recording in the world today is attained with the GXC-46D.
It combines Akai's exclusive automatic
distortion reduction system with Dolby to eliminate all high frequency distortion above 8kHz.
Fully equipped with tape selector switch, over level switch for high volume recording, automatic stop, pause control and two heads,
including Akai's exclusive GX recording/playback head.
Type: 2-head, single compact cassette deck
Track System: 4-track, 2-channel stereo
Tape Speed: 4.8 cm/s
Heads: 1 x record/playback, 1 x erase
Motor: hysteresis synchronous outer rotor type
Tape Type: type
Noise Reduction: B
Frequency Response: 30Hz to 18kHz (Cr02 tape)
Signal to Noise Ratio: 58dB (dolby B)
Wow and Flutter: 0.12%
Total Harmonic Distortion: 2%
Input: 50mV (line), 0.2mV (mic)
Output: 0.775V (line)
Dimensions: 410 x 132 x 294mm