[QuadList] AMPEX VR-5100 WILL IT PLAY OTHER MACHNESTYPE A TAP...

[COURYHOUSE at aol.com]

ok! then ivc is  not   type  A
it is its own   format  huh?
(In at case I hope  it was really  done on somethin else than an  IVC!)
Ed#
 
 
 
In a message dated 5/16/2014 12:25:34 P.M. Mountain Standard Time,  
dave at zfx.com writes:





Any tape made on an IVC 1" machine will definitely not play on an Ampex  
5100...

completely different format, head drum size, #heads, tape  speed, etc etc 
etc.



On Fri, May 16, 2014 at 3:20 PM, <_COURYHOUSE at aol.com_ 
(mailto:COURYHOUSE at aol.com) > wrote:




Don  -  Well if  we never getting it  working that  is ok too as  we have 
an  Ampex camera that is a nice  match  for it...  the  TelePrompTer   1 inch 
  tape   was  supposedly done    on a IVC   so we  will try that. 
If it  works that is  great as we  have no budget for  outside services   
to  convert it! So  fingers are   crossed! 
Ed#
 
 
 
In a message dated 5/16/2014 11:41:05 A.M. Mountain Standard Time,  
dwnorwood at digitrakcom.com writes:




I agree with many of the comments on this thread, and to  be sure, the 
answer to Ed's question comes with many qualifiers.  The  primary reason that we 
use VPR-7900's for recovery of Type-A tapes is  their ability to handle all 
three variants of the format's carrier  frequencies.  I believe the 5100 is 
low band only which was intended  only for black and white, but since the 
Ampex format was direct record,  you can still recover color from the lowband 
tapes if they contain color  material.  Obviously not the best situation, 
but possible.   Tapes recorded in hi-band or very-high-band will not 
reproduce properly on  a low-band machine.
 
Regarding interchange, there's no doubt that the movable  guides were a bad 
design.  However, our experience has shown that  many of the interchange 
problems were the result of incorrect adjustment  of the machines more often 
than "naturally occurring" changes in the guide  path.  Because this was 
originally a "non-broadcast" format, much of  its use was in educational or 
industrial applications, and generally with  un-trained operators.  My favorite 
example was a tape we received  from a large university.  It begins with no 
video, but on the audio  track, you hear "Hey Bill, how do you work this 
thing?".  Then the  machine was obviously stopped, and when it was re-started, 
there was  video, recorded with a setup level of about 70%!  
 
The challenges of recovering Type-A tapes can be  significant, and we have 
even done custom modifications when required for  special problems if the 
budget was available.  When the tapes are  good, the quality, especially from 
the VHB tapes can be excellent, but  that is certainly the exception rather 
than the rule.  Bottom line  is, we're talking about a format developed in 
the mid 60's, and a lot has  changed since then!
 
Don Norwood
Digitrak Communications, Inc.
www.digitrakcom.com


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Dave Sieg
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_www.scanimate._ (http://www.scanimate.net/) com



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