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What size amp do I need to power two 8ohm speakers?

the speakers are HUGE old Ross speakers, with a 15" and 10" cone in each. I'm trying to figure out what size power amp we need to use this in our band's rehearsal space. Thanks.

Update:

unfortunately, I don't know anything else about them. We basically run vocals through the PA, sometimes acoustic guitars. It needs to get over a drum set, bass and 2 electric guitars.

1 Answer

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  • Anonymous
    1 decade ago
    Favorite Answer

    It helps to know their efficiency (dB/watt), frequency response, what you want to amplify with them, and what else in the rehearsal space they would be competing against. Otherwise it's just a stab in the dark.

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