MODEL??	FBF23-2N
DIMENSION??	?????¨ª?¨ª?????????¨ª?¨ª
VOICE COIL IMP??	???????¨¨?¨ª
SOUND PRESSVRE LEVEL?¡§S.P.L????	????????
RESONAT FREQUENEY??	???¡ã?¡ã???¨²
EFFECTIVE FREQUENEY??	?????????¡ã?¡ã?¡ã?¡ã???¨²
NOISE POWER??	?¡ã???????¡Â
MAGNET SIZE AND ASSEMBLY??	???????¨ª?¨ªAlnico