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Spanky Ham
Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central
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| Posted: Tue Sep 16, 2008 6:25 pm Post subject: |
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Steve,
I think Scott has taken care of Ampro support.
As for improvements, it may be difficult but I think people would like to see better magnets. I know Scott says it is difficult considering the lack of CRT parts suppliers, but maybe you guys could get some company to custom make some for VDC. Higher performance tubes would be nice. Since that company (the one that everyone talked about on AVS a couple of years ago) went out of business, maybe you could get the information on their tube design. Supposedly they had higher brightness, better resolution, and lower cost.
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Spanky Ham
Joined: 22 Mar 2006
Posts: 5643
Location: Comedy Central
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| Posted: Tue Sep 16, 2008 8:21 pm Post subject: |
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The company was Quantum Vision. If I would have met Scott sooner, then I could have probably gotten some tubes in VDCs hands. I remember Rolland telling me their biggest problem was designing the electronics for the tubes.
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Wed Sep 17, 2008 4:53 am Post subject: |
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I forgot to add, give us more geometry adjustment like the Sony G90 so we can do a side by side stack.
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Wed Sep 17, 2008 4:56 am Post subject: |
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And frankenyokes to control the blooming at high contrast levels for a super tight beam spot size.
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HD done right!
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Heywood Jablome
Joined: 12 Mar 2006
Posts: 1548
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| Posted: Wed Sep 17, 2008 4:27 pm Post subject: |
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| AnalogRocks wrote: | | And frankenyokes to control the blooming at high contrast levels for a super tight beam spot size. |
Ooohh.... OEM FrankenYolks. Correct me if I'm wrong: The Frankenyolks are just a coil-winding difference? If so they could be made cheaply and quickly.
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-- Baron Alexander von Humboldt: 1769-1859
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Wed Sep 17, 2008 5:07 pm Post subject: |
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Frankenyokes are a completely different design than the thompson yokes, The tunnel the electron beam travel through on its way to the phosphor is about 1/3 longer. This stabilizes the beam and also keeps it in tighter focus during its final trip to the tube face, Also the astig windings are the first set of windings surrounding the beam which then does not have to compete it magnetic field against the other windings fields. This allows better control of the said beam.
From looking at a thompson yoke looks like the windings are all lined up horizontaly while the Kanto denshi yoke has bothe the dynamic and static are horizontal along the tube and the astig is vertical to both the previuos windings, all these are surrounded by the ferrite and metal magnets.
Athanasios
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