<font color='black' size='2' face='Arial, Helvetica, sans-serif'>A<font size="2">ctually, RCA was proposing a new quad standard called "Quad II" which was incompatible with old quad. They were thinking of going as low as 6 IPS -----</font><font color="black" face="Arial, Helvetica, sans-serif" size="2">
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: TQ <tony@tqvideo.co.uk><br>
To: Quad List <quadlist@quadvideotapegroup.com><br>
Sent: Mon, Jul 1, 2013 1:48 am<br>
Subject: Re: [QuadList] QuadQuiz--Why did RCA choose 6-mil head width for Super High Band experiments<br>
<br>
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<pre style="font-size: 9pt;"><tt>
> On 01 July 2013 at 09:40 <a removedlink__1476148518__href="mailto:trandoc@aol.com">trandoc@aol.com</a> 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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Change subject to reflect thread direction. Thanks.
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