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UY-224 or 24 etc
UY-224 or 24 etc
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Old 1st November 2019, 01:04 PM   #1
nafunga is offline nafunga  United Kingdom
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Join Date: Jul 2005
Location: Whitstable , Kent. UK
Default UY-224 or 24 etc

Really for anyone in the U.S who may have found a use for this early tetrode. The spec sheet advises (RC coupled amp) a 250v ht supply with RL around 150K, bias at -1v with 25v on the S.G (which appears rather low compared with more common 90v in other applications) I am aware that tetrodes of this type are not usually recommended for audio but,anyone used them please?

David W (UK)
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