[sdiy] HV capacitors for tube amp

[Richie Burnett]

450v is high for modern electrolytics. You can use two lower voltage and larger capacitance caps in series with balance resistors if necessary.

You didn't say what the capacitance was, but you might be able to find plastic film caps with a large enough capacitance. Power factor correction capacitors (PFC) are film-foil construction, up to 450VAC and low loss, but they are likely to be physically much larger than the equivalently rated electrolytic capacitors.

Anything marked low-ESR and rated 105'C  from the likes of Panasonic, Rubycon, Vishay/BC components, or Nippon-Chemicon should be decent quality.

-Richie,

P.S. Be careful, the stored energy is very likely lethal at those voltages!

Sent from my Xperia SP on O2

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