Wayne Parham Messages: 18738 Registered: January 2001
Illuminati (33rd Degree)
Study electrical impedance. Study series and parallel electrical circuits. Don't connect speakers to your amplifier in a way that causes impedance to go below the amplifier's minimum impedance on any channel.
Generally, you want to make sure the average impedance is around 8Ω. Most amplifiers start getting hot at high output levels when the load dips below 4Ω. So it's safest to keep impedance between 4Ω and 8Ω.
Those are recommendations for solid state amps. Tube amps are a little different. They don't like high impedances, so if you have a tube amp, don't let average load impedance to be more than about twice what the amps output transformer tap is designed for.
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