Quoted from scottslash:This is my first Spike. Is it normal the fan is so loud?!? Sound meter says 40dB avg in the quiet room, but when the fan kicks on, it's avg 57dB. Just live with it? Or is mine louder than it should be?
vireland makes a plug and play replacement fan.
https://pinside.com/pinball/forum/topic/replacing-stern-spike-noisy-ps-fans