[AMRadio] B&W 5100 Modulation Transformer

Jim Hill hro5-2 at cox.net
Thu May 12 17:31:08 EDT 2016

I have heard that B&W 5100 modulation transformers frequently fail 
when attempting to modulate above 100%.  What is the failure mode 
(open winding, short to ground or other winding, etc.)?   I am 
looking for an easy test that does not involve applying power.

Thanks, Jim w6ivw

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