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 BIG videotape Headdrums
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 Return to top of page · Post #: 1 · Written at 5:26:26 AM on 11 November 2021.
NewVista's avatar
 NewVista
 Location: Silver City WI, US
 Member since 10 May 2013
 Member #: 1340
 Postcount: 977

These vintage video recorder headwheels are from 1965 Ampex 'A'-format helical tape machines. They are 5-inch diameter, maybe the same size as their later Pro type 'C'-format?

You can see in picture that they had an advanced direct drive 'pancake' type motor. Looking closely on one motor there's a sticker that says 'Yaskawa Electric'! It's unlike Ampex to resort to foreign components, but even that early, one can see the Japanese were well along the way to challenging Ampex and dominating the semi-pro & consumer space.

Video head drum
 
 Return to top of page · Post #: 2 · Written at 12:50:20 AM on 12 November 2021.
Brad's avatar
 Brad
 Administrator
 Location: Naremburn, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 7395

These look bigger than the U-matic ones which were about the size of a beer keg.


‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
A valve a day keeps the transistor away...

 
 Return to top of page · Post #: 3 · Written at 4:20:29 PM on 12 November 2021.
NewVista's avatar
 NewVista
 Location: Silver City WI, US
 Member since 10 May 2013
 Member #: 1340
 Postcount: 977

Looks like Yaskawa are still going strong, now in robotics, very impressive.
 
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