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 .
4P1L for Supratek
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#1 4P1L for Supratek
"Once you find out ... the Circumstances ; then you can go out"
- IslandPink
- Amstrad Tower of Power
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#2 Re: 4P1L for Supratek
These also mentioned - direct heated ; use as triodes.
Cool !
http://www.ebay.co.uk/itm/2x-6P21S-RUSS ... SwmrlUxjfr
Cool !
http://www.ebay.co.uk/itm/2x-6P21S-RUSS ... SwmrlUxjfr
"Once you find out ... the Circumstances ; then you can go out"