[QuadList] Time Base Correctors

[dcfwtx at aol.com]

 Hello Doug,

Over the years, I've either recorded/played back or edited on a number of different RCA and Ampex decks. In my opinion, no time base correction was ever as reliable (in the long run) as the original units that came with the machines. This included NEC's on Ampex's and CVS/Harris units on RCA's.
The last one I encountered was a Harris on a TR 70 at NBC Burbank. Yes, some of these modifications do have good performance. The only outboard time base correctors that have any chance of trying to work are those that will accept a head switch pulse from the quad VTR. And those are rare. I don't believe that any of these after market TBC's have been manufactured in 20-25 years, hence parts support for one may be difficult. 

What model of machine are you thinking about adapting to an outboard TBC?

Best Regards,

David Crosthwait
www.dcvideo.com 



-----Original Message-----
From: dbingley at bmts.com
To: quadlist at quadvideotapegroup.com
Sent: Mon, Dec 7, 2009 5:53 pm
Subject: [QuadList] Time Base Correctors


I'm curious to see if anyone has used a modern 
TBC "high up" in the signal chain of an older 
quad machine. Could use of a TBC do a better job 
than AMTEC and colortec (which of course were 
early TBC's) or would the more modern TBC's barf 
when looking at the extreme errors off of a Quad 
tape. I'm not advocating improper restoration of 
an older machine, but I wonder for those who do 
a lot of transferring if this would be a viable 
solution? 

Cheers,

Doug

-



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