On the Emulation of TU58s

Mark J. Blair nf6x at nf6x.net
Tue Jun 16 13:23:03 CDT 2015

> On Jun 16, 2015, at 11:22 , Johnny Billquist <bqt at update.uu.se> wrote:
>> Pretty much the standard CDC vacuum-column design since the 1960s.  The
>> TU80 is, after all, a CDC product.  Two counter-rotating capstans--tape
>> movement is determined by applying positive or negative pressure to
>> ether or both (i.e. positive pressure on both results in the tape
>> "floating"
> Uh... The TU80/TU81 do not have vacuum columns...

Or rotating capstans...

Mark J. Blair, NF6X <nf6x at nf6x.net>

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