"killi wala stroker"
what is Killi?
is ka design samajh nahi ata
Spider and cone saath saath
where normal woofer have cone attached above to spider
theek hai is ka mechanism samjh ata hai
surround / spider acts as a suspension or spring ,
the inner circumference of cone attach be out most spider circumference , is the first suspension
and the out most circumference of the cone attach be the inner circumference of spider is a 2nd suspension
dual in series suspension and bw is a cone for pumping air