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robbie010

Lower voltage replacement capacitor??

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Super Wammer

I’m just working through the circuit boards on my project amp and have managed to lay my hands on the original schematic and parts list. 

One of the capacitors is listed as a 40pf 500v silver mica cap, the circuit boards currently have a 39pf polystyrene cap in its place, for which I have bought a direct replacement rated at 39pf 160v. 

My question is whether the voltage requirement of the original part (500v) is of concern??

The two main caps in each board are 470pf 25v so there can’t be that much voltage running through it. 

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The lower voltage rating of the polystyrene capacitor is no problem, silvered mica capacitors generally have high voltage ratings.

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