The most important give my opinion:
- Three heads: one for reading, a recording and a deletion
- Rponse in frquence: 20 21000 Hz =- 3dB (many amps and speakers, even rputs, not the quality)
- Total harmonic distortion: less than 0.8% (400Hz, 0 dB, ZX cassette type IV) and less than 1% (400Hz, 0 dB, SX cassette type II).
Simply great. If you INTERESTED quality music, instead of a 2nd CD CR4 purchase, you will not.