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#1 4P1L for Supratek

Posted: Sat Oct 01, 2016 3:56 pm
by IslandPink
Nice to see Mick Maloney likes the 4P1L now :
http://supratekaudio.blogspot.co.uk/201 ... eamps.html
Specifically he says it matches the best 71A's he's had , for pre-amp use. Good to know.
I certainly have been very happy with the 4P1L (pentode) as a driver for 300B .

#2 Re: 4P1L for Supratek

Posted: Sat Oct 01, 2016 10:16 pm
by IslandPink
These also mentioned - direct heated ; use as triodes.
Cool !
http://www.ebay.co.uk/itm/2x-6P21S-RUSS ... SwmrlUxjfr