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Old 13th December 2012, 11:46 AM   #11
rmyauck is offline rmyauck  Canada
diyAudio Member
Join Date: Apr 2009
For an Amp the Lowest voltage practical ( around 300V) is to build a 6V6 version of tubelab George's Simple SE amp or the PP EL84 amp for more power and it can be had with a kit of parts for the board. The DHT SET board for 300B ,2A3, or 45 tubes could also be built for only the 45 or 2A3 for lower voltage again.

The pre amps can be lower, maybe closer to 200V with the small tubes 7 & 9 pin tubes.


Last edited by rmyauck; 13th December 2012 at 11:49 AM.
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