How important is the efficiency of a speaker to you?


I went to an audio meeting recently and heard a couple of good sounding speakers. These speakers were not inexpensive and were well built. Problem is that they also require a very large ss amp upstream to drive them. Something that can push a lot of current, which pretty much rules out most low-mid ( maybe even high) powered tube amps. When I mentioned this to the person doing the demo, i was basically belittled, as he felt that the efficiency of a speaker is pretty much irrelevant ( well he would, as he is trying to sell these speakers). The speaker line is fairly well known to drop down to a very low impedance level in the bass regions. This requires an amp that is going to be $$$, as it has to not be bothered by the lowest impedances.

Personally, if I cannot make a speaker work with most tube amps on the market, or am forced to dig deeply into the pocketbook to own a huge ss amp upstream, this is a MAJOR negative to me with regards to the speaker in question ( whichever speaker that may be). So much so, that I will not entertain this design, regardless of SQ.

Your thoughts?

128x128daveyf

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@daveyf  you also have to consider that tube amps with high sensitivity speakers also limit many tube systems because of noise and hiss which you can't hear as well with low sensitivity speakers. Not all tube equipment is quiet, just like not all high powered amps sound bad.

The amount of solid state amps that sound good with high sensitivity speakers is also limited, that's why a lot of people choose set amps with these types of speakers.

@phusis  It is not a myth, it has to do with the low output impedance of solid state amps.