Excellent compendium of cassette lore, Richard!
I'm nearly done with a project of transferring over 120 workshops originated on cassettes, from one to seven C-90s each, from 1979 through the mid 90s. As the speaker travelled around the country and amateurs did most of the recording, they are all over the map in terms of quality! Fortunately it is just spoken word, and the final delivery of MP3s is justified...
I worked with cassettes during all those years myself producing radio interview programs, so I have extensive experience, and all your references are helpful.
I have one question though that has mystified me for years: how does one translate the 3180/120 or /70 specification into frequency response? I am seriously math-challenged, and though I know extremely well how normal and high bias tapes act and sound, how does one translate that spec into a frequency curve? I don't think I have ever seen a direct chart comparison... If there is one on your site i have not seen it yet.
I'm an audio engineer, not an EE, so I can operate them but not design or repair the gear...
Thanks,
l
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On Oct 28, 2012, at 1:14 PM, "Richard L. Hess" <[log in to unmask]> wrote:
> Ahh, the beloved cassette...where do I begin?
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