F250S40
	DIAMETER......................250mm(10inch)
	VOICE COIL IMPEDANCE..............8ohms
	SENSITIVITY........................88dB/w/m
	NOM. POWER............................20watt
	MAX. POWER............................40watt
	RESONANCE FREQUENCY...............30Hz
	FREQUENCY RANGE...............fo~2000Hz
	DEPTH.....................115.6mm(4.55inch)
	MOUNTING DIAMETER...271mm(10.67inch)
	MAGNET WEIGHT............400.5g(14.12oz)
	NET WEIGHT................1890.9g(66.69oz)