[QuadList] TCR-100 (was 1" Machine glue)

[Wayne Watson]

I have seen that. It was very scary; I think bicycle chains were involved :)
Good question though. Ampex used the same head for the AVR-1 and 25.  I believe Ampex ran 40 volts to the guide retract motor instead of the regular 24. That allowed it to be moved away faster for threading. Ampex used air and RCA used mechanical arms; but I guess you guys know this.

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From: quadlist-bounces at quadvideotapegroup.com [mailto:quadlist-bounces at quadvideotapegroup.com] On Behalf Of Don Norwood
Sent: Tuesday, February 02, 2010 3:45 PM
To: videovault at sky.com; Quad List
Subject: Re: [QuadList] TCR-100 (was 1" Machine glue)

I never had more than a casual look at the TCR-100, and didn't realize that it used the same head as the other machines.  Threading must have been quite a trick.  How did they do that?

Don
----- Original Message -----
From: Trevor Brown<mailto:videovault at sky.com>

Ampex head could be controlled better in the record domain to mach a standard replay
But then RCA did manage to keep the same head assembly for all their machines including the TCR 100

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