Hi efficient speaker, bass problems


I know i'm going to take a severe tongue lashing for asking this question but . Is it me , whenever I hear low efficient speakers they don't seem to have a grip on the bass like less sensitive units ? The amount of bass is there , and some have good weight , and punch , but where is the control ?
tmsorosk
Hi Tmsorosk,
As mentioned above by others, control is a function of an amplifier, but there is no doubt that High sensitivity speakers typically show the dynamics and control of an amplifier easier. As far as grip and control. I am using a 86db, 4 ohm speaker, it is fast and accurate. I have had speakers as high as 97db 8 ohm, they required much less amplifier to have the speed and transients that I believe that you are referring to as control.
The Question:

It appears Tmsorosk is asking why do high efficiency speakers have poor bass when compared to low efficiency speakers..

The answer;

Because all high efficiency speakers have an uneven bandwidth when being driven. In order to have good fequency balance from top to bottom and good dynamics you always end up losing some efficiency..

There are exceptions , there always are, IMO to have all 3 will require multiple (5+) drivers, no 2 driver system Will do it.

By high efficiency, I'm describing speakers over 94db/2.83v/m (anechoic)

Regards,
Tmsorosk, Please rephrase your question so that we are all clear.
High efficiency: Legacy, Klipsch, VMPS... Which one does not have control with the right amp?
Or was it Low Efficiency?
Timlub,

The VMPS and the Legacy have multiple drivers so i can see them being able to achieving all 3. Klipsch ? I don't think so...

Regards,
"Because all high efficiency speakers have an uneven bandwidth when being driven..."

This depends of the thermal and mechanical power handling capacities of the drivers used. For instance a 4" fullrange driver with 1/2 mm of linear excursion and 30 watts power handling is going to go non-linear long before a 12" prosound woofer with 9 mm of linear excursion and 900 watts power handling. The latter will probably remain linear to a far higher SPL than most similar-sized low-efficiency home audio woofers.

Duke
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