2x25 V toroid for aleph 3?

[garnex]

2x25 V tereoid for aleph 3?

Hi !
Can i use 2 25 V tereoids for an aleph 3 ? Or is it too much with the voltage? They will probably run hotter than with 18 Volts. I'm using 2 haetsinks, 0.3 C/W each for stereo. Would it be enough heatsinking?
thanks in advance,
garnex

 

[Mad_K]

You can do it, but then you have more like an A5.. And your HS will be above 60'C.... I'm using 18VAC in mine and 2*0,25C/W HS -> a little more comfortable at about 50'C😉

 

[garnex]

hi,
i think i will use the 18v tereoids then. >60 degrees is kinda too much i think.
thanx,
garnex

 

[MarcinG]

Well, I did exactly the same mistake and ended up with +-30V and 80C on the heatsinks... But after all, it may be not that bad: I will put some chokes to form CLC, lower the voltage and the ripple 🙂

Regards,

M.