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P16s in an NEC PG

 
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CasetheCorvetteman



Joined: 09 Nov 2008
Posts: 6326
Location: Australia

Posted: Thu Dec 08, 2011 9:38 am    Post subject: P16s in an NEC PG
Can this be done? Im not asking if they will "fit" in there, im asking "will they work electrically" or "can they be made to work electrically" with a 9PG?

Seems P16s of various sorts have been used in rear pro TVs of all breeds....

What do all the letters mean following the "P16"?? Such as "P16LSG03HKA" was the ones out of a Panasonic GAOO rear pro TV, P16LFM00HLA was from a Toshiba etc etc...
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gjaky



Joined: 05 Jun 2010
Posts: 2802
Location: Budapest, Hungary

Posted: Thu Dec 08, 2011 1:00 pm    Post subject:
Well, tubes starting with P16 are so similar like transistors starting with BD.. -they can be totally different. The most important thing is the neck length, I've seen some short neck P16s probably they can't stand that high anode voltage which would neede, and there would be insufficient light emission, even if they are electrically ok.
Also some of those tubes were constructed directly for LC applications therefore the phosphorous surface inside the tube might be curved causing focus problems in AC applications. Some time ago I stumbled upon a 180BVB22 tube which seemed exactly like a P16JLE tube, but it had curved phosphor...
I think the low light emission would be the biggest problem with all of those tubes,
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projectors in the past : NEC 6-9PG xtra, Electrohome Marquee 6-7500, NEC XG 1351 LC ( with super modified Electrohome VNB neckboard !!!)
current: VDC Marquee 9500LC
The MOD: VNB-DB, VIM-DB
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CasetheCorvetteman



Joined: 09 Nov 2008
Posts: 6326
Location: Australia

Posted: Thu Dec 08, 2011 2:19 pm    Post subject:
Roger that, yeah, would be handy to know what all the letters mean!!
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