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Old 7th Dec 2017, 7:42 pm   #17
G6Tanuki
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Join Date: Apr 2012
Location: Wiltshire, UK.
Posts: 6,170
Default Re: Matched Transistors

Back in the days of OC81s, AD161/162 and the like you could buy "matched sets" but I never bothered. As has been mentioned, they weren't amplifying anything (or driving anything) where serious quality would be needed so my test was just to listen to the radio/amplifier with it turned up loud, and if it sounded good after 10 minutes or so I'd put a finger on the transistors/heatsinks expecting them to both be similarly warm.
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