Quote:
Originally Posted by Cobaltblue
Wasn't the EF80 used as the audio output valve in some HMV TVs ?
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The EF91 was used as an output valve in at least one model of TV!
[Now to start promoting EF91-based audio (headphone?) amps: And do EF91s with the blue coating on the inner of the glass sound 'better' than those without? And do Mullard EF91s sound better than Brimar's blue-bandless equivalent the 6AM6?]