Subwoofer parameter


Silver Member
Username: Trey4sports

Post Number: 191
Registered: Sep-06
what does Qes mean when looking at a a sub?

Gold Member
Username: 54danny54

KY More Wang Th...

Post Number: 3085
Registered: Nov-04
its answered there.
take the space out between the j and d

Gold Member
Username: Mixneffect

Orangevale, Ca. USA

Post Number: 1306
Registered: Apr-05
Qes = The electrical Q (which is a value given in a number form) of a speaker. It is the electrical efficiency of the motor. You basically want a low Qes and a high Qms.

Basically a motor with a low Qes means that it requires low electrical energy to make it start.

Qms = The mechanical Q of the driver.

A high Qms means that it will put out a lot of mecahnical energy, which means that you get a lot of energy for the electrical energy provided.
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