What does FS mean for speakers?
What does FS mean for speakers?
free-air resonant frequency Fs. This parameter is the free-air resonant frequency of a speaker. Simply stated, it is the point at which the weight of the moving parts of the speaker becomes balanced with the force of the speaker suspension when in motion.
What do speaker parameters mean?
Speaker parameters, often called Thiele/Small parameters, are a set of electromechanical measurements that can be used to define the low-frequency performance of a transducer. Using these parameters and a series of calculations, your installer can predict the performance of that speaker in an enclosure.
What is the PE of a speaker?
Pe: This is the thermal capacity of the subwoofer. Using the driver at higher ratings can cause damage and failure to occur. It is measured in watts.
What is speaker QTS?
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Qts is the total Q of the speaker and is derived from an equation where Qes is multiplied by Qms. The result is divided by the sum of the same. This value can be used as a general guideline in selecting the optimal enclosure type. A Qts of 0.4 or below indicates a speaker well-suited to a vented enclosure.
How do you calculate speaker QTS?
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Qts: Qts is the total Q of the speaker. It is defined as 1/Qts = 1/Qes + 1/Qms.
What is FC subwoofer?
fc: fc is the resonant frequency of the driver in a sealed enclosure. The fc is higher than the fs with a given driver. The image below shows the impedance curve with a woofer in 1 ft^3 and in an infinitely large enclosure. You can see how the resonant frequency shifts when the driver is mounted in an enclosure.
What is f3 speaker parameter?
f3 is the most meaningful parameter. The lower the f3 parameter the deeper the bass will sound. An f3 below 50 Hz is suitable for a sealed enclosure. In the frequency response plot, the output SPL, sound pressure level, is based at 1 watt/meter.
What is XMax in a loudspeaker?
XMax = The distance a subwoofer voice coil can move in one direction without leaving the magnetic zone a.k.a. how far the woofer can move.
What is QTS Thiele small?
Thiele/Small parameters (commonly abbreviated T/S parameters, or TSP) are a set of electromechanical parameters that define the specified low frequency performance of a loudspeaker driver. Small of the University of Sydney, who pioneered this line of analysis for loudspeakers.
What is XMax on a subwoofer?
What is the difference between Thiele/Small parameters and driver?
The driver is the component that goes inside of a cabinet/box. See the pictures below: The Thiele/Small parameters is a set of data that tells you everything about the physical and electrical properties of a driver. If we were to think of this as food, the Thiele/Small parameters would be the ingredients to a cake (driver).
Who invented the Thiele-Small parameters?
“In the early seventies, several technical papers were presented to the AES (Audio Engineering Society) that resulted in the development of what we know today as ‘Thiele-Small Parameters’. These papers were authored by A.N.Thiele and Richard H. Small.
Who are Neville Thiele and Richard small?
Well, they’re actually names : Neville Thiele and Richard Small. Basically, Mr. Thiele wrote a paper about various parameters that affect the performance of infinite baffle and bass reflex loudspeakers. Mr. Small (have fun with that name in school) completed the paper after some time.
What is Lele voice coil inductance MH parameter?
Le Voice coil inductance mH PARAMETER DESCRIPTION UNITS *Pe (Max) Thermally-limited maximum electrical input power watts Xmas Peak linear displacement of driver diaphragm millimeters SD Effective projected surface area of driver diaphragm square meters *VD Peak displacement volume of driver diaphragm (0 to peak) cubic inches
