Quote:
Originally Posted by beamcurrent
Now I'm no expert on tape, I'm a camera person.
But it may be that if you "dust" the tape with a VERY fine iron or iron oxide you might be able to see the magnetic tracks and determine if it is quad, helical, linear audio by the direction of the tracks.
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I don't think there was a 2" helical format and I think we can rule out multi-track audio, that only leaves quad in my opinion.