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Old 03-04-2018, 09:22 AM
stev-tanne stev-tanne is offline
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17lp4 crt

I am a new member on here, I don't suppose anyone might happen to have any 17LP4 or 17VP4 B&W picture tubes for sale? I have 4 Zenith K1812 TV's from around 1952-1953 that used this picture tube I don't suppose anyone has any of the Zenith K1812 TV's for sale? I believe some of the early 50's Westinghouse TV"s used this same picture tube as well?
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Old 03-04-2018, 10:29 AM
dieseljeep dieseljeep is online now
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Quote:
Originally Posted by stev-tanne View Post
I am a new member on here, I don't suppose anyone might happen to have any 17LP4 or 17VP4 B&W picture tubes for sale? I have 4 Zenith K1812 TV's from around 1952-1953 that used this picture tube I don't suppose anyone has any of the Zenith K1812 TV's for sale? I believe some of the early 50's Westinghouse TV"s used this same picture tube as well?
The 17L & 17V were electrostatic focus cylindrical faceplate CRT's. Emerson and IIRC GE used them as well. They're around, a little harder to find.
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Old 03-04-2018, 03:58 PM
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SpaceAge SpaceAge is offline
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My '53 Motorola also uses the 17LP4. Thankfully, the original CRT in my set still tests decent.

First place to check is ETF site, looks like this tube is available. http://www.earlytelevision.org/crts_for_sale_b-w.html
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Old 03-05-2018, 10:32 AM
dieseljeep dieseljeep is online now
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Quote:
Originally Posted by SpaceAge View Post
My '53 Motorola also uses the 17LP4. Thankfully, the original CRT in my set still tests decent.

First place to check is ETF site, looks like this tube is available. http://www.earlytelevision.org/crts_for_sale_b-w.html
I knew Motorola used it at least one model. It seems they used it to replace the 17TP4 metal cone CRT.
I have an RCA that uses a 17QP4, which is the same bulb but uses magnetic focus.
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Old 08-21-2018, 06:49 AM
piercarlo piercarlo is offline
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Quote:
Originally Posted by dieseljeep View Post
I have an RCA that uses a 17QP4, which is the same bulb but uses magnetic focus.
Wow, yep same issue here, i need a 17QP4 for a RCA Victor...great set, but no picture...are the QP4 easier to find?
I seem not to be able to find any...
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Old 08-21-2018, 08:29 AM
WISCOJIM WISCOJIM is offline
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Originally Posted by piercarlo View Post
Wow, yep same issue here, i need a 17QP4 for a RCA Victor...great set, but no picture...are the QP4 easier to find?
I seem not to be able to find any...
http://www.videokarma.org/showpost.p...61&postcount=9

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