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Reply to "ERR Sound Commander, not that loud"

gunrunnerjohn posted:

Two 8 ohm speakers can't be properly matched to the RailSounds boards, you should have either two 4 ohm speakers or two sixteen ohm speakers.

I know there has been a lot of chatter about whether the speaker impedance matching matters for solid state amplfiers like it did for tube amps with a transformer. After some reading and thought on it, I am thinking what matters is the minimum allowable impedance for the solid state amp. What I don't know, is the minimum. So in this case, you're thinking that is 8 ohms for these sound cards. I wonder if say 4 ohms would be louder and not too low a load impedance.

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