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In Reply to: RE: Tube Inflation since 1965 ? ........................ posted by Cut-Throat on April 21, 2021 at 15:12:07
I'd be more interested in seeing how prices for DHT output tubes compared to IDH pentodes or beam power tubes back when demand for both was more balanced. Not sure if the 300B was commonly listed in the price lists, but how did the price of a 45 or 2A3 compare to a 6L6 or 6V6 or similar?
Back when DHTs were commonly used and the pentode was relatively new, I would suspect that the pentode commanded a slight premium in terms of price.
In terms of actual manufacturing cost and complexity you would think it would be cheaper and easier to manufacture a triode than a pentode or beam power tube. Today, the prices for current production DHTs range from much higher to totally ridiculous (IMO) when compared to current production pentodes or beam tubes.
Sure, I would expect to pay some sort of premium due to the lower demand for DHTs today vs more commonly used tubes. But it seems to me that today's prices for DHTs go way beyond what is justified economically. Again, I'm not talking about rare OS tubes that are considered collectibles, I'm talking about modern production.
Follow Ups:
The 300B was about $9.50 in the mid 1950s, which was very expensive, but it was a special tube designed for commercial or industrial use, not something employed in consumer applications.
Edits: 04/29/21
OK, to answer my own question . . . here are some prices I found advertised in a radio magazine from Oct. 1948. Prices are from various ads:6V6GT: .79, .45, .65
6L6GA: 1.00, .96
6L6G: .79
45(special): .59
45: .49, .54
2A3: .80, .96According to the CPI inflation calculator, $1.00 in Oct. 1948 would equal $10.86 today.
And, going back 10 years before that, here's a link to an Allied Catalog from 1938 which has prices for their house branded tubes as well as RCA and Raytheon and Ken-Rad.
Edits: 04/27/21
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