High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place.

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RE: Efficiency & Resistance

Posted by Garg0yle (A) on February 14, 2015 at 19:40:40

In Reply to: RE: Efficiency & Resistance posted by saki70 on February 14, 2015 at 18:57:20:

In my experience/opinion, all things being equal (Which they rarely are) the higher impedance speaker will sound more tactile.

The higher resistance is easier for the amp to grip.

The lower impedance speakers will need more current, all things being equal, the amp wont be able to swing the voltage as high. Yes there are impedance taps on the amp, but you are leaning more towards a current amp at that point.

It's more challenging/complex to build an amplifier to deliver the current needed to energize a lower impedance coil and have the fidelity comparable to a high impedance / higher voltage speaker.

The lower impedance speaker would be more suitable with modern type gear which are generally solid state devices etc that can't swing the required voltage to get the watts into a 16 ohm speaker, but can deliver the amperage to excite the speaker at a lower voltage.
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