Sony AHF 90 Audio Cassette (1981)

1981 Sony AHF 90 Audio Cassette

The Sony AHF was an excellent normal bias cassette from the renowned hi-fi manufacturer. At the dawn of the 1980s, there were three normal bias ferric oxide tapes in the Sony range. The CHF was the basic offering. Light on treble definition, fairly noisy, and low in price – but in its class, still pretty good value. The next step up was the BHF. This had noticeably better treble response, and whilst noise/hiss wasn’t exactly minimal, it was certainly more under control than with the CHF. The price was typically around 30% higher than that of the CHF. Stepping up again to the most expensive Sony ferric, you found, this, the technically superior AHF. Continue reading

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