<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Don</div><div><br></div><div>You are right. Now it is so easy to see. Look at the wire for the tach. There is only one on the earlier pictures. The 15 had two tach systems. The original once a revolution and the later one.<br><br>Chris Hill</div><div><br>On Apr 3, 2013, at 11:44 AM, "Don Norwood" <<a href="mailto:dwnorwood@embarqmail.com">dwnorwood@embarqmail.com</a>> wrote:<br><br></div><blockquote type="cite"><div><span></span><br></div></blockquote><blockquote type="cite"><div>
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<div>Hi Chris:</div>
<div> </div>
<div>Nope, it's not the same head in all of the pictures. The only one
that's a XV is the one mounted on the machine. The others are a
Mk-X. As I said, there's a definitive way to identify the Mk-X and the
Mk-XV. Hint.......anytime you can see either the top or the bottom of the
baseplate, you can tell whether it's a X or a XV.</div>
<div> </div>
<div>Don Norwood<br>Digitrak Communications, Inc.<br><a href="http://www.digitrakcom.com">www.digitrakcom.com</a></div>
<div> </div>
<div>----- Original Message ----- </div>
<blockquote style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px">
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><b>From:</b>
<a title="chill315@aol.com" href="mailto:chill315@aol.com">chill315@aol.com</a>
</div>
<div style="FONT: 10pt arial"><b>To:</b> <a title="quadlist@quadvideotapegroup.com" href="mailto:quadlist@quadvideotapegroup.com">Quad List</a> </div>
<div style="FONT: 10pt arial"><b>Sent:</b> Wednesday, April 03, 2013 11:07
AM</div>
<div style="FONT: 10pt arial"><b>Subject:</b> Re: [QuadList] Anamoaly on
Rockethub Page</div>
<div><br></div><br>
<p>
</p><hr>
<p></p>
<div>You have answered a few questions. The only thing is that one has
to assume that it is the same head in all the pictures. </div>
<div><br></div>
<div>I would agree that it is a 15 head because of the probability of any
other is so small. But if the firing squad was cleaning the rifles and
loading them as I was asked the question, I would not bet the life on
it.<br><br>Chris Hill</div>
<div><br>On Apr 3, 2013, at 10:44 AM, "Don Norwood" <<a href="mailto:dwnorwood@embarqmail.com">dwnorwood@embarqmail.com</a>>
wrote:<br><br></div>
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<div><span></span><br></div></blockquote>
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<div><font size="3">Hi Chris:</font></div>
<div><font size="3"></font> </div>
<div><font size="3">Not certain about the VR-1000 but I have seen Mk-III heads
with the manual positioner installed although they could have been for the
1100.</font></div>
<div><font size="3"></font> </div>
<div><font size="3">The guide servo was not available for the
VR-1100. </font><font size="3">As you point out, the manual positioner
was available for the Mk-X used on those machines, and in fact, the X was
required for most of the 1100's beyond the early production units which used
the Mk-III. All later 1100's had an additional chassis with the
individual channel adjustments and included a label on the deck plate
stating that a Mk-X head was required.</font></div>
<div><font size="3"></font> </div>
<div><font size="3">The guide servo was an option on the VR-1200, although
I've not seen one without it except in catalog pictures. The 1200E
does not include a control on the operator panel, so I assume it was not
offered and certainly wasn't needed for recording. I suppose a studio
machine used only for recording would have no need for one either, so maybe
some 1200's were sold in that configuration.</font></div>
<div><font size="3"></font> </div>
<div><font size="3">There is however, a definitive way to determine if the
head shown in the pictures is a X or a XV. Only the machine-mounted
head in the next to last pic is a XV.</font></div>
<div><font size="3"></font> </div>
<div><font size="3">Don Norwood<br>Digitrak Communications, Inc.<br><a href="http://www.digitrakcom.com">www.digitrakcom.com</a>
</font></div>
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<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><b>From:</b>
<a title="Chill315@aol.com" href="mailto:Chill315@aol.com">Chill315@aol.com</a> </div>
<hr>
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<div>The first guess would be that the head has a manual guide adjuster on
it. This was on the Mark 15 heads. </div>
<div> </div>
<div>But there were some machines that may have not used the
auto guide assembly. I say this as the guide was listed as an
accessory in the set of books. </div>
<div> </div>
<div>So does anyone know if there was a machine that did not have the
electronic guide assembly in the VR-1000, 1100, or 1200 series. How
about the E models that were the low boy so called portable units?
Or the 1100's?</div>
<div> </div>
<div>Now Mark 10 heads could be used in earlier machines. There was
a trimmer module that replaced the nuvistor or transistor pre amp that
allowed this.</div>
<div> </div>
<div>Chris Hill</div></font>
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<blockquote type="cite">
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