Parts Express 12V CT 3A Power Transformer (6.3V-0-6.3V)

hey guys what's up eddie yahoo here with kissanalog.com back with yes the 20 watt class a amp i know some of you guys might not be interested might be getting bored of this but today we're getting down to the nitty gritty we're going to pick out a transformer and to do that we need no like say for instance this is a 160 va and this guy here is the 250 va okay uh they're both capable of the current you know five amps per rail on this guy this guy is three and a half amps so easy can handle it this is 22 volts rms uh 25 volts rms that's rated at 115 power in the us is really about 120 so it's a little bit higher than than that well we gotta i think the uh either one of these might work we're going to have some capacitors too and i've got a few capacitors to choose from some 10 millifarads some other values so how do we decide well we can do some math decide that way and there's some other