Reference 1240w 12" Woofer – Technical Data

CAR AUDIO

SPECIFICATIONS

DIAMETER:

12" (300MM )

SENSITIVITY (2.83 V @ 1 M):

93 dB

POWER HANDLING:

300 WRMS 1200 WPEAK

FREQUENCY RESPONSE:

23 ~ 400 HZ

NOMINAL IMPEDANCE:

4 OHMS

VOICE-COIL DIAMETER:

2.0" (51.0 MM)

DIMENSIONS:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

mounting depth 5-1/16" (129 mm)

SEALED BOX VOLUME

(INCLUDES DRIVER DISPLACEMENT)

Reference 1240w

(side view)

VBOX = 1.25 ft3 (35.40 liters)

cutout diameter

11-3/16" (284mm)

outer diameter

12-7/16" (316mm)

THIELE-SMALL PARAMETERS

VOICE COIL DC RESISTANCE:

REVC (OHMS) . . . .

. . 3.40

VOICE COIL INDUCTANCE @ 1 KHZ:

LEVC (MH)

. . 2.54

DRIVER RADIATING AREA:

SD (IN2)

. 82.46

 

SD (M2)

532.00

MOTOR FORCE FACTOR:

BL (TM)

. 14.24

COMPLIANCE VOLUME:

VAS (FT3)

. . 3.00

 

VAS (LITERS) . . . .

. 84.40

SUSPENSION COMPLIANCE:

CMS M/N) . . . .

210.00

MOVING MASS, AIR LOAD:

MMS (GRAMS). . . .

187.60

MOVING MASS, DIAPHRAGM:

MMD (GRAMS) . . . 180.60

FREE-AIR RESONANCE:

FS (HZ)

. 25.40

MECHANICAL Q:

QMS

. . 7.62

ELECTRICAL Q:

QES

. 0.50

TOTAL Q:

QTS

. . 0.47

MAGNETIC-GAP HEIGHT:

HAG (IN)

. 3/8

 

HAG (MM)

. . 9.00

VOICE-COIL HEIGHT:

HVC (IN)

. 1-1/4

 

HVC (MM)

. . . 32

MAXIMUM EXCURSION:

XMAX (IN)

. . 7/16

 

XMAX (MM)

. 11.50

SEALED ENCLOSURE

FREQUENCY RESPONSE @ 2.83 V

105 dBSPL

 

 

 

 

 

 

 

 

 

100

 

 

 

 

 

 

 

 

 

 

95

In-Car

 

 

 

 

 

 

 

 

 

12 dB LP @ 80 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90

 

 

 

 

 

 

 

 

 

 

85

 

 

 

 

 

 

 

 

 

 

80

Out-Of-Car

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

75

 

 

 

 

 

 

 

 

 

 

70

 

 

 

 

 

 

 

 

 

 

65

 

 

 

 

 

 

 

 

 

 

60

 

 

 

 

 

 

 

 

 

 

55

20 Hz

30

40

50

60

70

80

90 100

200

300

 

SEALED ENCLOSURE CONE

EXCURSION @ 300 W

30m M

20m

10m

5m

2m

1m

500u

200u

100u

50u

20u

10u

5u

20 Hz

30

40

50

60 70 80 90 100

200

300

Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-674-4463 • www.infinitysystems.com

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Infinity 1240w 12 specifications Specifications, Sealed BOX Volume, THIELE-SMALL Parameters

1240w 12 specifications

Infinity 1240W 12 is a state-of-the-art subwoofer designed for car audio enthusiasts who crave deep, powerful bass. This subwoofer model combines innovative technology with high-quality materials to deliver an unmatched audio experience.

One of the standout features of the Infinity 1240W 12 is its impressive power handling capability. With a peak power rating of 1240 watts, this subwoofer is capable of producing a booming sound that you can feel. The RMS power handling is rated at 400 watts, providing a robust performance that can withstand prolonged use without distortion. This powerful output makes it an ideal choice for those looking to enhance their vehicle's sound system.

The design of the Infinity 1240W 12 is equally impressive. It features a sturdy and durable construction that includes a reinforced polypropylene cone. This material not only enhances the durability of the subwoofer but also ensures excellent sound quality. The cone's design is optimized for efficient airflow, which reduces the likelihood of distortion and enhances bass response.

The subwoofer also comes equipped with a double-stacked magnet structure that provides superior control over the cone movement. This results in tighter and more precise bass, making it perfect for a wide range of music genres. Additionally, the high-temperature voice coil allows for extended play without compromising sound quality, ensuring that the Infinity 1240W 12 can handle even the most demanding audio.

To further enhance the sound experience, Infinity incorporates advanced technologies such as low-frequency response tuning. This feature allows users to customize their listening experience by adjusting the frequency level to best suit their individual preferences. The subwoofer is also designed to be compatible with both ported and sealed enclosures, providing flexibility in installation and sound tuning.

Installation is made easier with the Infinity 1240W 12 thanks to its convenient mounting depth and universal fit. Whether you're a seasoned audio professional or a casual enthusiast, you will find the installation process straightforward.

In summary, the Infinity 1240W 12 subwoofer stands out for its powerful output, durable construction, and innovative technology. It's the perfect addition to any car audio system, promising deep bass and exceptional sound quality that will transform your driving experience.