|30th May 2020, 01:32 AM||#1021|
diyAudio Moderator Emeritus
Join Date: May 2003
Location: Maybunga, Pasig City
i use the M18 grades 0.35 for power traffos and M6/Z11 0.35mm thick laminations for output transformers..
for a 2A3, filament power is 2.5vac x 2 amps or 10 watts total..
two 5842 is 6.3vac x 0.3 amps or 4 watts
5ar4 is 5vac x 2amps or 10 watts,
so for filaments alone you need 24 watts
for plate psu supply 300 vdc at 100ma or 30 watts..
so that is 54 watts in all
the primary of your power traffo needs 54/0.6 or 90 volt amperes
this is minimum, nothing stops you from using bigger..
if people react to you a certain way, it is not because of them but more because of you....
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