One of the work horses for in cassette duplication was the Telex 300 system. was 2 track mono or 4 track stereo running at 15 ips..
I did all the service and mastering for a company that had several complete systems running 12 slave recording units from a reel or cassette master.
We also had a Telex r2r duplicator with 12 7" record slaves from one 7 or 10" master these also ran at 15 ips.
--- On Mon, 9/22/08, Lou Judson <[log in to unmask]> wrote:
> From: Lou Judson <[log in to unmask]>
> Subject: Re: [ARSCLIST] cassette crackle
> To: [log in to unmask]
> Date: Monday, September 22, 2008, 2:08 PM
> What about the old high speed duplication machines? In the
> 80s I
> worked at a duplication plant that had Ampex 300-size decks
> to record
> onto cassette tape that was then loaded into shells.
> I'd be surprised
> if nobody has ever modified one to play back cassette
> Lou Judson • Intuitive Audio
> On Sep 18, 2008, at 2:54 PM, Michael Biel wrote:
> > A last note about cassettes. The narrow tape does not
> give some of
> > the problems that wider open reel tape has, but
> controlling the
> > head location is also a problem. The cassette shell
> adds a whole-
> > nuther set of variables. Nobody has ever made an open
> reel player
> > for .150 tape, have they? Oh, that little Nagra.
> What was its
> > tape width? .125 or .150? But that thing would
> probably cost as
> > much as a luxury car now if you could find it. Maybe
> some of you
> > who have worked more with cassettes than I have (I
> HATE them) can
> > recommend machines that have more sturdy and
> accessable adjustments
> > than the usual crap, and some that retract the
> pressure pad.