[QuadList] NBC Control System

[Dennis Degan]

		On Apr 1, 2009, at 11:29 AM, David wrote:

 > Here is the first pix that came to mind showing the SC panel in the 
background.
 > This shows the machine pairing for zone delay. In this case, VTR 3 
and 3A. The SC panel is partially obscured by Steve in the BG.

		I say:

	That control panel looks a bit different from the ones used in New 
York:
			<http://www.flickr.com/photos/dennisdegan/3403165017/>

		David:

 > I may have a better pix somewhere of the SC panel. I would bet that 
panel had at least 25 years of service before it was removed, all 
constructed by Burbank "projects".

		Me:

	I'd love to see it.  You mentioned a floor plan diagram showing the 
layout and location of the tape room at the time.  I could do the same 
for you on NBC NY's 5th floor tape room in 1978 if you like, done 
roughly from 30-year old memory of course!

		David:

 > You may also be curious to know that the entire tape room and edit 
bays were fully carpeted with ant-static theater carpeting, along with 
sound absorption ceiling tiles. Of course, massive central HVAC and 
plant supplied compressed air for the headwheels made for a quiet tape 
room, TR's, TCR's, VR's, and later BVH's.

		Me:

	New York also had carpeting on both the floors and some walls and had 
ceiling sound tiles as well.
			<http://www.flickr.com/photos/dennisdegan/515355417/>
	But when I worked there in 1978, the place was already quite old and 
run down-looking and in need of total replacement.  That replacement 
happened with the upgrade to 1-inch and MII systems, which occurred 
after I left in 1979.
	In NY, there also was centrally-provided air for the quad VTRs' 
headwheel air bearings, but oddly as I remember, most of the TR-70s had 
separate vacuum pumps for the guide shoe.  We did some venturi installs 
when I was in Tape Maintenance in 1978, allowing the removal of the 
vacuum pumps in those machines, but still NBC NY's tape room was 
noisier than it needed to be.

			Dennis Degan, Editor-Consultant-Knowledge Bank
	  				NBC Today Show, New York