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Old 8th Apr 2021, 9:26 pm   #9
Join Date: Feb 2009
Location: Salford, Greater Manchester, UK.
Posts: 1,128
Default Re: Mullard 3-3 voltages query

Sorry, yes 560R. I’m using 470+100 in series at present. Should I try increasing it? I see the Radio Constructor article of April 1956 uses 680R.
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