Infinity 1240w 12 Vented Box Volume, Bandpass Box Volume, Vented Enclosure, Bandpass Enclosure

Reference 1240w 12" Woofer – Technical Data

CAR AUDIO
VENTED BOX VOLUME	BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)	(INCLUDES DRIVER/PORT DISPLACEMENTS)

	length = 12-1/4"	Port
	312mm	fB = 30.0 Hz
	Reference 1240w
	(side view)
VBOX	= 2 ft3 (56.63 liters)	diameter = 4"
		102mm

Reference 1240w

(side view)

VREAR = 1.25 ft3 (35.40 liters)

	2 Ports		length =
			8"
	fB= 63 Hz
			204mm
	diam. = 4"
		102mm	3
VFRONT = 1.25 ft
		(35.40 liters)

VENTED ENCLOSURE	BANDPASS ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V	FREQUENCY RESPONSE @ 2.83 V

105 dBSPL										105 dBSPL
100										100
95	In-Car									95
	12 dB LP @ 80 Hz										In-Car
90										90	12 dB LP @ 80 Hz
85										85
Out-Of-Car										80
80
75										75	Out-Of-Car
70										70
65										65
60										60
55										55								200	300
20 Hz	30	40	50	60	70	80	90 100	200	300	20 Hz	30	40	50	60	70	80	90 100

VENTED ENCLOSURE CONE	BANDPASS ENCLOSURE CONE
EXCURSION @ 300 W	EXCURSION @ 300 W

30m	M									30m
20m										20m
10m										10m
5m										5m
2m										2m
1m										1m
500u										500u
200u										200u
100u										100u
50u										50u
20u										20u
10u										10u
5u								90 100		5u
	20 Hz	30	40	50	60	70	80		200	300

M

20 Hz 30 40 50 60 70 80 90 100 200 300

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