Philip Pemberton wrote:
> The big problem is interfacing the magnetic head to something. I don't
> have the foggiest clue what I need to do to record on the tape. I know
> there's supposed to be an AC bias signal fed to the record head and the
> erase head, but I can't find any concrete info on how to determine the
> frequency and amplitude of that signal. The same applies to playback
> circuitry - no info on output levels or required amplification.

Is this for digital or analog?  The two are handled very differently on
magnetic tape.


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