JBL GTO1204D Manuale di istruzioni

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SPECIFICATIONS

DIAMETER:12" (305MM)

SENSITIVITY (2.83 V @ 1 M): 93 dB

POWER HANDLING:300 W1200 WPEAK

RMS

FREQUENCY RESPONSE: 23 ~ 400 HZ

NOMINAL IMPEDANCE:2or 8 OHMS

VOICE-COIL DIAMETER:2.0" (51.0 MM)

DIMENSIONS:

THIELE-SMALL PARAMETERS

VOICE COIL DCRESISTANCE:R

EVC (OHMS) . . . . . . 1.93

VOICE COIL INDUCTANCE @ 1 KHZ:L

EVC (MH) . . . . . . . 1.10

DRIVER RADIATING AREA:S

D(IN

2

) . . . . . . . . 82.46

SD(M

2

) . . . . . . . 532.00

MOTOR FORCE FACTOR:BL(TM) . . . . . . . 10.17

COMPLIANCE VOLUME:V

AS (FT

3

) . . . . . . . . 3.34

VAS (LITERS) . . . . . 94.47

SUSPENSION COMPLIANCE:C

MS (µM/N) . . . . 233.70

MOVING MASS, AIR LOAD:M

MS (GRAMS). . . . 181.00

MOVING MASS, DIAPHRAGM:M

MD (GRAMS) . . . 173.80

FREE-AIR RESONANCE:F

S(HZ) . . . . . . . . 24.50

MECHANICAL Q: QMS ...........6.97

ELECTRICAL Q: QES ...........0.52

TOTAL Q: QTS ............0.48

MAGNETIC-GAP HEIGHT:H

AG (IN) . . . . . . . . 3/8

HAG (MM) . . . . . . . . 9.00

VOICE-COIL HEIGHT:H

VC (IN) . . . . . . 1-5/16

HVC (MM) .. . . . . . . . . 34

MAXIMUM EXCURSION:X

MAX (IN) . . . . . . . . 1/2

XMAX (MM) . . . . . . 12.50

SEALED BOX VOLUME

(INCLUDES DRIVER DISPLACEMENT)

SEALEDENCLOSURE

FREQUENCYRESPONSE @ 2.83 V

SEALEDENCLOSURE CONE

EXCURSION @ 300 W

Harman Consumer Group •250 Crossways Park Drive •Woodbury, NY11797 • VOICE:516-674-4463 •www.infinitysystems.com

mounting depth

5-1/16" (129 mm)

cutout diameter

11-3/16" (284mm)

outer diameter

12-7/16" (316mm)

V

BOX

=1.00 ft

3

(28.32 liters)

JBLGTO 1204D

(side view)

20 Hz 30 40 50 60 70 80 90 100 200300

20 Hz 30 40 50 60 70 80 90 100 200300

dBSPL

55

60

65

70

75

80

85

90

95

100

105

M

5u

10u

20u

50u

100u

200u

500u

1m

2m

5m

10m

20m

30m

Out-Of-Car

In-Car

12 dB LP @ 80 Hz

GTO 1204D 12" Woofer – Technical Data

VENTED BOX VOLUME

(INCLUDES DRIVER/PORT DISPLACEMENTS)

VENTED ENCLOSURE

FREQUENCY RESPONSE @ 2.83 V

VENTED ENCLOSURE CONE

EXCURSION @ 300 W

BANDPASS BOX VOLUME

(INCLUDES DRIVER/PORT DISPLACEMENTS)

BANDPASS ENCLOSURE

FREQUENCY RESPONSE @ 2.83 V

BANDPASS ENCLOSURE CONE

EXCURSION @ 300 W

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

JBL GTO 1204D

(side view)

Port

fB=34.0 Hz

diameter = 4"

102mm

length = 10"

254mm

V

BOX

= 1.75 ft

3

(49.55 liters) V

REAR

= 1.00 ft

3

(28.32 liters) V

FRONT

=1.25 ft

3

(35.40 liters)

JBL GTO 1204D

(side view)

diam. = 4"

102mm

2 Ports

fB=62 Hz

length =

8"

204mm

20 Hz 30 40 50 60 70 80 90 100 200300

55

60

65

70

75

80

85

90

95

100

105

20 Hz 30 40 50 60 70 80 90 100 200300

55

60

65

70

75

80

85

90

95

100

105

dBSPL dBSPL

20 Hz 30 40 50 60 70 80 90 100 200300

5u

10u

20u

50u

100u

200u

500u

1m

2m

5m

10m

20m

30m M

20 Hz 30 40 50 60 70 80 90 100 200300

5u

10u

20u

50u

100u

200u

500u

1m

2m

5m

10m

20m

30m M

Out-Of-Car

Out-Of-Car

In-Car

12 dBLP @ 80 Hz In-Car

12 dBLP @ 80 Hz

GTO 1204D 12" Woofer – Technical Data