[QuadList] OT: 1" Type-B format question

[David Dean]

Hi Don et All

Yes the head is stationary and part of the Video Drum, as to why I presume 
it was to keep tracking stable, it is quite a distance from the Video Head 
to the Audio stack probably about 9". The only B formats I ever heard of in 
525 were PAL-M machines, although the machines (or bits of)  I have all have 
NTSC lights on them! I have not had much joy trying to find heads and other 
bits for them, although I do have a few BCN 40-41 head biscuits and the Jig 
to fit them.

David Dean
----- Original Message ----- 
From: "Don Norwood" <dwnorwood at embarqmail.com>
To: "Quad List" <quadlist at quadvideotapegroup.com>
Sent: Monday, April 02, 2012 3:05 PM
Subject: Re: [QuadList] OT: 1" Type-B format question


> ----- Original Message ----- 
> From: "David Dean"
>
>>I have just looked at my head block and the A3 track is on the lower edge 
>>of the stack, nearest the deck plate, two further considerations, the 
>>control track head is on the Video Head  and the tape is wound oxide out 
>>on the supply reel, ( like the take up on a VPR2 !).
>
> Hi David:
>
> Thanks for the confirmation!  I was about 99.9% sure that was the case 
> after I figured out that the tape had been wound improperly.  If it had 
> arrived with the oxide out, it would have been obvious that it was 
> probably Type-B, but the A-wind had me puzzled.
>
> Type-A machines are like the VPR-1 & 2 in that they have A-wind for the 
> supply reel and B-wind for the take-up.  I have gotten a couple of Type-A 
> tapes that arrived B-wind due to being stored tails-out, so the wind isn't 
> an absolute indication of format, but in most cases it is.
>
> When you say that the CT head is on the Video Head, I assume that you mean 
> it is a stationary head mounted at the drum, and not a part of the 
> rotating scanner?  It does seem that the track placement between A1 & A2 
> is unusual. I wonder what the reason for that might have been?
>
> Don Norwood
> Digitrak Communications, Inc.
> www.digitrakcom.com
>
> Please trim posts to relevant info when replying.
>
> Change subject to reflect thread direction. Thanks.
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