Why did Philco use one or two 117Z3 rectifiier tubes in their AM-FM radios?

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Why did Philco use one or two 117Z3 rectifiier tubes in their AM-FM radios?

Phlogiston
Radio-Fixer-Upper

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#4

09-12-2021, 05:38 PM

Have you seen the assortment of tubes used in the 40-190? I think it is 4, 6 ,octal and loctal. .When you can get a 42 (6F6) or a 41 (6K6) as a 6-pin or octal, they must have been using up old partsm to use the 6-pin tubes and sockets. Makes me wonder about the date codes on the OEM tubes.

"I just might turn into smoke, but I feel fine"
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(This post was last modified: 09-12-2021, 05:39 PM by Phlogiston.)

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Messages In This Thread

Why did Philco use one or two 117Z3 rectifiier tubes in their AM-FM radios? - by Jayce - 09-01-2021, 05:24 PM

RE: Why did Philco use one or two 117Z3 rectifiier tubes in their AM-FM radios? - by Arran - 09-05-2021, 02:12 AM

RE: Why did Philco use one or two 117Z3 rectifiier tubes in their AM-FM radios? - by Brad Winder - 09-12-2021, 11:53 AM

RE: Why did Philco use one or two 117Z3 rectifiier tubes in their AM-FM radios? - by Phlogiston - 09-12-2021, 05:38 PM

RE: Why did Philco use one or two 117Z3 rectifiier tubes in their AM-FM radios? - by radiorich - 09-17-2021, 12:05 AM

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