Re: Why Both EAA91 and EB91?
Maarten wrote: "Was it actually marked thusly in the set, or only in a (later) service manual?"
Never seen the EAA91 in any UK made TV set and that includes the B16T. The Pye B16T service manual valve list shows the EB91. The other double-diode employed in the set is the older octal base EB34.
DFWB.
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