[QuadList] QuadQuiz--Why did RCA choose 6-mil head width for Super High Band experiments

TQ tony at tqvideo.co.uk
Mon Jul 1 03:48:35 CDT 2013



> On 01 July 2013 at 09:40 trandoc at aol.com wrote:
>
>
>
> Ted,
>
> Super High Band allowed the use of 7 1/2 IPS to achive the same S/N
> and needed narrow heads to avoid guard band issues.

Running at 7.8125 ips with a 6 mil head, as opposed to the usual 5 mil
head for that tape speed, would surely make the guard band issues worse,
on the other hand running at 15.625 ips with a narrower head would
improve the situation

--
TQ via webmail




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