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Retrofitting speaker for Philco 84
462ron
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#8

09-29-2022, 07:29 AM
I’m no engineer so with that said, I’m thinking if an 8 ohm spkr reflects back to the primary as 7K with its current transformer turns ratio, then a 1 ohm spkr would reflect back as 875 ohms or 1/8 the 7K value unless I’m missing something! Icon_crazy

Ron
Bendix 0626.      RCA 8BX5.   RCA T64
Philco 41-250.    Philco49-500
GE 201.             Philco 39-25
Motorola 61X13. Philco 46-42        Crosley 52TQ
Philco 37-116.    Philco 70
AK 35                Philco 46-350
Philco 620B.       Zenith Transoceanic B-600
Philco 60B.         Majestic 50
Philco 52-944.    AK 84
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Messages In This Thread
Retrofitting speaker for Philco 84 - by Ctkid - 09-25-2022, 05:39 PM
RE: Retrofitting speaker for Philco 84 - by Ctkid - 09-26-2022, 08:57 PM
462ron - by 462ron - 09-29-2022, 07:29 AM



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