Re: Adventures in Digitizing Reel to Reel Tapes (Question)


Haroon wrote:

> The tapes are 1/2 track, and the Teac is a 1/4 track deck. Both
> sides of the tapes were used in recording.
>
> Of course, since these are 1/2 track tapes, and both sides were recorded
> on, I have to adjust the balance to hear the desired channel. The problem
> I'm encountering is that Side 2 (or the right channel) bleeds into the
> left channel in reverse,

This is because the span of a quarter-track head is wider than that of
a half-track head and a little bit of the other track is being "seen"
by your playback head. I've usually been able to play half-track tapes
on a quarter-track head by selecting just one channel.

The left channel is the most outside part of the head. It will miss a
bit of the track width so the playback will be noisier and at a little
lower level than it should be (the low frequency response will be off,
also, but that's not such a big deal) but you should be able to
eliminate the "backwards" track.

You really should have a half-track playback head. The TEAC 3300 was
available in both quarter- and half-track versions, but of course the
quarter-track version was most common so the laws of probability
brought you together with one. You could probably find a replacement
head, or look for a half-track recorder. If you want to really learn
about tape deck maintenance, you could attempt to mis-align the
playback head vertically enough so that you got solid playback on one
channel from one track and iignore the other channel (which you should
be doing now anyway). But before you do this, you should have a
standard alignment tape on hand (so you can put it back the way it's
supposed to be) and study out the head mounting so you'll know how to
move it vertically and get it to stay perpendicular to the deck plate.

.

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