What are these abbreviations for??

 

Bronze Member
Username: Bigred2069

Post Number: 90
Registered: May-05
Xmax
Qts
Fs
Vas
Qms
Qes
Bl

thanks a ton, i keep seein these on sub specs
 

Gold Member
Username: Araknid

BOCA , FL U.S.

Post Number: 1055
Registered: Nov-04
I can tell you the ones i know.

Xmax- maximum distance the cone can travel, usaully one way.

Fs- lowest frequency the sub can reproduce safely.

Vas- amount of air the sub moves.

BL- motor strenth
 

Gold Member
Username: Araknid

BOCA , FL U.S.

Post Number: 1056
Registered: Nov-04
As for the ones i Don't know you can find them here

http://www.electronixwarehouse.com/education/glossary.htm

Just scroll down alittle and look at the alphabetized listing under Q.
 

Gold Member
Username: Invain

Michigan United States

Post Number: 3424
Registered: Aug-04
"Xmax- maximum distance the cone can travel, usaully one way.

Fs- lowest frequency the sub can reproduce safely.

Vas- amount of air the sub moves."

Xmax - one way linear travel

Fs - the sub's free air resonant frequency, NOT the lowest frequency it can reproduce.

Vas - the sub's stiffness, think of it as the volume of air it takes to equal the force of the suspension, Vas is NOT how much air the sub moves, that is Vd

Vd - Maximum volume of displacement, (linear, Xmax times Sd)

Qts - sub's Q at resonance

Q - damping of the sub
 

Gold Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 8981
Registered: Dec-03
google "thiele-small" and you'll find all of the answers.

those are the T/S specs of the speakers. If you want accurate, comparable T/S specs, make sure they're all DUMAX ratings.
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