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Depends on the vintage. IIRC the bad admiral tubes were mid 60's to early 70's...Also check the EIA code. Many tubes were labeled as the brand that sold them NOT the brand that made them, but the EIA always tells the true maker.
Zenith CRTs were probably industry worst in the 90's (EPA regs changing materials they could use threw them off their game), yet were basically industry best in the 70's (some of their 70's tubes have had almost continuous regular service then till now and still can muster a decent picture). The longer-lived brands are like wine: there are good years and bad years.
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Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 |
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Is there a manufacturer's label? It should be on there as "EIAxxx"
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Google 'EIA numbers' or 'EIA (+ number on your tube)' to find the maker the number crosses to.
__________________
Tom C. Zenith: The quality stays in EVEN after the name falls off! What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4 |
Audiokarma |
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I really doubt it came from the factory with an Admiral CRT, unless someone pulled the CRT from a scrap set.
IIRC, Admiral sold replacement CRT's of the common types. I did see some Zenith's come through with RCA CRT's. |
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