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<DIV><FONT size=4>The AMPEX Engineering crew, along with The Doctor,
spent</FONT></DIV>
<DIV><FONT size=4>quite a bit of time in the WTVJ Tape Room working on
our</FONT></DIV>
<DIV><FONT size=4>5 AVR-3s. The crew was constantly on the phone
with</FONT></DIV>
<DIV><FONT size=4>RWC giving them the changes that needed to be made in the
machines that were still in the build pipe.</FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>After all was said and done... the machines were
the</FONT></DIV>
<DIV><FONT size=4>best after the AVR-1... They did the job in
standalone,</FONT></DIV>
<DIV><FONT size=4>machine-to-machine, and computer controlled
editing</FONT></DIV>
<DIV><FONT size=4>with the EDM-1...!! Two second rolls were the
norm!</FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>It was a sad day when the machines were rolled out the
</FONT></DIV>
<DIV><FONT size=4>door to go back to AMPEX for checkout and
delivery</FONT></DIV>
<DIV><FONT size=4>to a U-MATIC customer in Mississippi!!</FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4>
<DIV><FONT size=4>Don Murray, W4WJ</FONT></DIV>
<DIV><FONT size=4>Retired from 40 years of Miami TV Engineering</FONT></DIV>
<DIV><FONT size=4>35+ years at NBC O&O
WTVJ</FONT> </DIV></FONT></DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV><FONT size=4></FONT> </DIV>
<DIV>
<DIV>In a message dated 3/10/2011 8:56:55 P.M. Central Standard Time,
wcarpen107@yahoo.com writes:</DIV>
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<TD vAlign=top>Hi Lee, and everyone,<BR><BR>When the machine was first
built after the NAB 76 Introduction we found out there were many
problems and that caused the largest field retrofit in Ampex's history.
<BR>I don't know of anyone who has the all details, but I do remember
there was some wiring changes in the TBC area, to solve some ground loop
problems.. These problems and the Autotracking problems were the reasons
why they weren't used as playback machines in edit suites.<BR>All the
machines that were delivered were retrofitted.<BR>At one time I had
fifty machines in Hollywood that were "out of service", with most being
in three machine, high end edit suites.<BR>This all happened because the
project engineer and the product manager had other things as major
distractions during they design phase. <BR>It all got dumped on me and I
pulled to together the best group of engineering folks from other
projects and then formed a retrofit group of field & sustaining
engineers to do the retrofits.<BR><BR>The factory then incorporated the
same changes in all machines leaving the factory. <BR><BR>So in summary
probably the first 150 machines were retrofitted in the field, and the
remaining units, about 350 were factory built to incorporate the
changes. <BR><BR>The retrofitted units probably have wiring changes that
are functionally the same, but look different because two different
field engineers made the mod's. The machines in the LA area were all
done by a group of six Redwood city based sustaining
engineers.<BR><BR>Bye for now, Bill Carpenter<BR><BR><BR>--- On <B>Thu,
3/10/11, lee williams <I><lasvegastvengineer@yahoo.com></I></B>
wrote:<BR>
<BLOCKQUOTE style="BORDER-LEFT: rgb(16,16,255) 2px solid; PADDING-LEFT: 5px; MARGIN-LEFT: 5px"><BR>From:
lee williams <lasvegastvengineer@yahoo.com><BR>Subject:
[QuadList] Ampex AVR-3<BR>To: "Quad List"
<quadlist@quadvideotapegroup.com><BR>Date: Thursday, March 10,
2011, 3:10 PM<BR><BR>
<DIV id=yiv1676385352>
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<DIV>I was wondering if anybody knows just how many
different flavors of AVR-3's did Ampex make? </DIV>
<DIV> </DIV>
<DIV>I am working on 5 of them and can clearly see 3 distinctly
different types of wiring harnesses between the machines. </DIV>
<DIV> </DIV>
<DIV>So far, the only cards I find that will not interchange
between the models is the #22. </DIV>
<DIV> </DIV>
<DIV>Is there any kind of quick reference (other than the
manuals) to tell which series of cards work best with which
machines? </DIV>
<DIV> </DIV>
<DIV>Also does anybody have a spare #15 audio card that they
might be willing to sell? </DIV>
<DIV>I have one that shorted out and totally charred. </DIV>
<DIV> </DIV>
<DIV>Thanks </DIV>
<DIV><BR><BR> </DIV></TD></TR></TBODY></TABLE><BR></DIV><BR>-----Inline
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