Not sure what to think; it uses the thin film head designed for digital compact cassette for playback. Sounds like no deck I've ever heard. If I had to use one word
Technics RS-AZ7 Analog Cassette Deck with Amorphous-Z head - YouTube
Do you have a favourite cassette deck? (page 10) - Tapes and Tuners - Lenco Heaven Turntable Forum