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Driver TS Parameters: Cms (Compliance) & Vas (Compliance Equivalent Volume)
Cms is a measure of the suspension compliance. Compliance is the opposite of stiffness. A driver with a stiff cone suspension will have a low Cms, and a driver with a ‘loose’ cone suspension will have a higher Cms. Vas is known as the compliance equivalent volume, and is specified in litres. Cms is proportional […]
Driver TS Parameters: Fs (Free Air Resonance)
The loudspeaker’s resonant frequency (often listed as Fs on spec sheets) is the frequency at which the driver’s cone and voice coil will tend to move easily. You’ve probably seen footage on TV of a bridge in the US wobbling around and tearing itself apart due to the wind causing the bridge to move at […]