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AnalogRocks Forum Moderator
Joined: 08 Mar 2006 Posts: 26690 Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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HK-Steve
Joined: 15 Jul 2006 Posts: 849 Location: Switzerland
TV/Projector: Marquee 9500, Epson 8100
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Link Posted: Tue Dec 02, 2014 5:08 pm Post subject: |
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Wow, very cool find.
_________________
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Tim in Phoenix
Joined: 21 Oct 2006 Posts: 4378 Location: Phoenix
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Link Posted: Tue Dec 02, 2014 6:06 pm Post subject: |
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Dang
You have to respect a machine that runs 60kv from a fortified bunker!
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garyfritz
Joined: 08 Apr 2006 Posts: 12026 Location: Fort Collins, CO
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Link Posted: Tue Dec 02, 2014 7:41 pm Post subject: |
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I wondered why it had 2 tubes. The article says it's a failover! They must have had pretty bad reliability if they needed a hot-spare to swap in when the first one died...
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ecrabb Forum Moderator
Joined: 13 Mar 2006 Posts: 15909 Location: Utah
TV/Projector: JVC RS40, Epson 5010
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Link Posted: Tue Dec 02, 2014 8:00 pm Post subject: |
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garyfritz wrote: | I wondered why it had 2 tubes. The article says it's a failover! They must have had pretty bad reliability if they needed a hot-spare to swap in when the first one died... |
Up to 60kV driving a single tube making a 4x5-inch image, projecting on a 15x20-foot screen - in 1939 when most CRTs were making like a 12- or 13-inch diagonal image... I'd say the thing was running on the ragged edge.
Says it drew 2kW at 200-250v... So, about half a clothes dryer.
SC
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CasetheCorvetteman
Joined: 09 Nov 2008 Posts: 6319 Location: Australia
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Link Posted: Tue Dec 02, 2014 11:50 pm Post subject: |
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You have a 4kW clothes dryer??? Must be very very big!
_________________ Barco CineMAX, 120" OZ Theatre Majestic 16:9 screen, H/K AVR 7.1...
RUNCO DTV991 LC ( NEC XG 852 LC ) 100" 4:3 screen, H/K AVR 5.1...
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the big E
Joined: 20 Apr 2013 Posts: 1928 Location: speedwell Tn.
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Link Posted: Mon Dec 08, 2014 5:31 am Post subject: |
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Tim in Phoenix wrote: | Dang
You have to respect a machine that runs 60kv from a fortified bunker! |
Agreed
_________________ crt king of black
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