<html><head><base href="x-msg://792/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Thank God that the Lunar Orbiter tapes were not recorded in Octaplex mode!<div><br></div><div><br><div><div>On Nov 28, 2009, at 2:34 PM, Don Norwood wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div bgcolor="#ffffff"><div>Hi Chris:</div><div> </div><div>Yes, RCA did build a variety of octaplex machines and I have some literature on them which I will try to get posted soon. Also some application notes from Ampex for their rotary head instrumentation recorders. Some of the early RCA designs were surprisingly primitive.</div><div> </div><div>Note that the FR-900 can be either quadruplex or octaplex, allowing for either one or two channels. </div><div> </div><div>Don</div><blockquote style="padding-right: 0px; padding-left: 5px; margin-left: 5px; border-left-color: rgb(0, 0, 0); border-left-width: 2px; border-left-style: solid; margin-right: 0px; "><div style="font: normal normal normal 10pt/normal arial; ">----- Original Message -----</div><div style="background-image: initial; background-repeat: initial; background-attachment: initial; -webkit-background-clip: initial; -webkit-background-origin: initial; background-color: rgb(228, 228, 228); font: normal normal normal 10pt/normal arial; background-position: initial initial; "><b>From:</b><span class="Apple-converted-space"> </span><a title="chill315@aol.com" href="mailto:chill315@aol.com">chill315@aol.com</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>To:</b><span class="Apple-converted-space"> </span><a title="quadlist@quadvideotapegroup.com" href="mailto:quadlist@quadvideotapegroup.com">quadlist@quadvideotapegroup.com</a></div><div style="font: normal normal normal 10pt/normal arial; "><b>Sent:</b><span class="Apple-converted-space"> </span>Saturday, November 28, 2009 3:12 PM</div><div style="font: normal normal normal 10pt/normal arial; "><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [QuadList] Unknow mystery quad modules????--Sold totheonlybidder</div><div><br></div><font face="arial" color="black" size="2"><div>I read the brochure. It says that the machine can play back a tape made on an AR-500 or AR-550 airborn recorder. I had heard taht RCA had made an octoplex machine that was used as the basis for their portable quad. What does anyone know about these machines.</div><div> </div><div>Chris Hill</div><div>WA8IGN<br><br><br></div><div style="font-size: 10pt; color: black; font-family: arial; ">-----Original Message-----<br>From: Don Norwood <<a href="mailto:dwnorwood@embarqmail.com">dwnorwood@embarqmail.com</a>><br>To: Quad List <<a href="mailto:quadlist@quadvideotapegroup.com">quadlist@quadvideotapegroup.com</a>><br>Sent: Thu, Nov 26, 2009 6:41 pm<br>Subject: Re: [QuadList] Unknow mystery quad modules????--Sold to theonlybidder<br><br><div id="AOLMsgPart_3_21e943e4-98f2-476d-95b3-6f38328b3fc7"><div>The Ampex FR-900 brochure is now available at<span class="Apple-converted-space"> </span><a href="http://digitrakcom.com/AmpexLit.html" target="_blank">http://digitrakcom.com/AmpexLit.html</a><br></div></div><div id="AOLMsgPart_4_21e943e4-98f2-476d-95b3-6f38328b3fc7" style="font-size: 12px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; color: rgb(0, 0, 0); font-family: Tahoma, Verdana, Arial, sans-serif; background-color: rgb(255, 255, 255); "><pre style="font-size: 9pt; "><tt>_______________________________________________
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