TU56 Tape Heads

Tom Uban uban at ubanproductions.com
Fri Aug 5 15:41:32 CDT 2016

I have a linctape drive, which is a dectape compatible unit. I do not have
the controller or any documentation, but it does have a head which might be
useable to replace the broken head. If this would be useful, I would be
willing to contribute it to the cause.

Please see attached pics.


On 7/25/16 7:03 PM, Michael Thompson wrote:
> During our PDP-12 debugging today we found that the left tape head has an
> open coil for data track 0. The left head was OK a little more than a year
> ago when we found the open coil in the right head. One TU56 head on my
> personal PDP-8/e also had an open coil when I got it.
> Our guess is the chemicals from the epoxy potting, possible flux residue,
> and poor soldering are causing the failures. Getting the epoxy potting out
> to repair the solder connection has proved impossible so far.
> Any source for three TU56 tape heads would be appreciated.
> We are also interested in ideas on how to get the epoxy potting out without
> destroying the head.

More information about the cctalk mailing list