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You clearly understand the workings of those 3 phase Matsushita DD motors too. Well done on the SP10 project! You have a ZA domain. Are you contactable for restoration advice? REPLY · Hi TJ. I'm in Johannesburg. If you need info on restoration, message me. Wild & Marr are currently the spares suppliers for ReVox - I remember going to W&M when they were in JHB city (120 President Street I think) after school on Saturdays (yes , we had Saturday morning school back then). Then it was one of the great places to buy electronic components, electronic kits, speaker parts - much like overseas readers will remember RadioShack or Maplin of a few decades ago. They were used for major sporting events, large conventions and even put images on the sides of the hotels in Las Vegas. They were also among the very first to be able to show High Definition TV. Setup for the Eidophor was two days and generally used a 7 KW Xenon lamp. It did not need a 'point source' as stated in the blog. The lamp light was beam split through dichroic filters into the colours and then passed onto the writing mechanism. The GE had a unique three part dichroic and phasing filter at the rear of the single valve. That's how it got its colours. Green was horizontal and red and blue were vertical. Set up was about 8 hours, though I have done it in four, but not the best image possible. See: yanczer_eidophor for more information including a picture of the head unit of the Eidophor. There was also a power supply and an operator's console. The 740 KG weight was just for the head unit! REPLY · Hi J. That's a fascinating story! I think those machines are mindblowing. I'd still love to get hold of one now they are considered obsolete technology; most people seem to think large-screen video is a recent invention! (For the uninitiated, the Eidophor was a video/TV projector system - the ancestor of the LCD and the DLP projetor. It used a high intensity arc lamp, and a light valve comprising a very thin oil film maintained in a vacuum, and scanned with an electron beam, analogous to a conventional TV tube.) Enjoy! REPLY · Thanks for the nice comments. I'd love a studer A68 amp, but where to find one that hasn't been trashed :-( I have some other ReVox stuff - my primary system that I have not photographed yet since it doesnt fit into my 'collectibles' - I bought it new in '88 and its just been right there in front of me ever since. The SABC are spectacularly mean with their old equipment; usual policy is private auction to employees only, and what is not taken is dumped. I have a Revox B77 MK2 stereo 10inch reel to reel tape recorder. Do you know how I can get it sold? Your site is awesome by the way. REPLY · Whereabouts are you? And what are the speed & track configurations of your B77 ? REPLY · No no no. My D740 is not up for sale. Very interested in the SP10 electronics. Such a great device needs a modern control system. Great work so far. Do you intend to market this as a kit? Cheers REPLY · No kit - The marketing is too problematic. All details for DIY construction will be posted on the web though. Looks like I am the second. I have been watching your website with interest and am interested in both this and your revox project. Can you get in touch with me via the "contact me" section of my website. I would like to talk to you regarding your site. Regards Blair Questions I may answer here, or within the text of my projects - at a relevant point. |