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Old 29th Mar 2023, 5:29 pm   #6
CambridgeWorks
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Join Date: Jun 2010
Location: Spalding, Peterborough, Cambridgeshire, UK.
Posts: 2,859
Default Re: ECC81 with broken glass envelope meets 2 x LND150 transistors

Don't forget an LED to mimic the heater!
Rob
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