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Audio and Video Talk
General Discussion
Speaker's impedance
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<blockquote data-quote="Ampdog" data-source="post: 63817" data-attributes="member: 144"><p>If the amplifier is well-designed, it should not matter. Your maximum output will be lower by 3dB on 4 ohm, which also will not make a big difference. Depending on the cabinet design of the loudspeakers, the actual l.s. impedance would be higher than 6 ohms at most frequencies. The 4 ohm recommendation probably came out of worry that strictly speaking you will overload the amplifier by placing 6 ohm across an 8 ohm output impedance. That is true for sine wave signals, but with the low average level of most music that should not be a factor</p></blockquote><p></p>
[QUOTE="Ampdog, post: 63817, member: 144"] If the amplifier is well-designed, it should not matter. Your maximum output will be lower by 3dB on 4 ohm, which also will not make a big difference. Depending on the cabinet design of the loudspeakers, the actual l.s. impedance would be higher than 6 ohms at most frequencies. The 4 ohm recommendation probably came out of worry that strictly speaking you will overload the amplifier by placing 6 ohm across an 8 ohm output impedance. That is true for sine wave signals, but with the low average level of most music that should not be a factor [/QUOTE]
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Audio and Video Talk
General Discussion
Speaker's impedance
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