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Title: Modulation Transformer Model #s needed. Post by: Ed/KB1HYS on October 09, 2009, 09:40:35 AM I need a mod tranny for a pair of 811's on a 4-250. The books say that the 811's want 12400ohms impeadance plate to plate and the 4-250 wants 13500 ohms.
Can anyone suggest a model/manufactuere to watch for? Title: Re: Modulation Transformer Model #s needed. Post by: Steve - WB3HUZ on October 09, 2009, 10:16:49 AM UTC: S22, CVM-4, CVM-5
Stancor: A-3898, A-3899 Kenyon: T-496, T-442 Thordarson: T-19M17 I'm sure there are others of the non-multimatch variety. Title: Re: Modulation Transformer Model #s needed. Post by: Ed/KB1HYS on October 09, 2009, 08:51:47 PM Thanks! It's easier to have a list of workable transformers than to run and look up specs everytime only to find out that it's not the one. AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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