The measurement and calculation problems of low-frequency parameters such as the resonance frequency fa, total quality factor QTS, mechanical quality factor QMS, electronical quality factor QES and equivalent volume VAS of loudspeakerds are discussed.

• 讨论了扬声器低频参数如:谐振频率fs,品质因数QTS,机械品质因数QMS,电品质因数QES,等效容积VAS的测量和计算问题。