JBL 1500GTi Manuel d'instructions

mounting depth

5.25" (133.35 mm)

cutout diameter

14.00" (355.60 mm)

outer diameter

15.25" (387.35 mm)

Ohms

100.0

1.0

3.0

10.0

30.0

20 Frequency 50 100 Hz 200 500 1k 2k

105

100

20 Frequency 50 100 Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP @ 75 Hz

Xd mM

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0.0

T mSec 10.0

7.5

5.0

2.5

0.0

-2.5

-5.0

-7.5

-10.0

20 Frequency 50 100 Hz 200 500 1k 2k

Transducer Excursion

Group Delay

SPECIFICATIONS

DIAMETER: 15" (0.59 MM)

SENSITIVITY (2.83 V @ 1 M): 94 dB

POWER HANDLING: 600 WRMS

FREQUENCY RESPONSE: 20 ~ 300 HZ

NOMINAL IMPEDANCE:4OHMS

VOICE-COIL DIAMETER: 4.0" (102.00 MM)

DIMENSIONS:

THIELE-SMALL PARAMETERS

VOICE COIL DCRESISTANCE:R

EVC (OHMS) . . . . . . 2.50

VOICE COIL INDUCTANCE @ 1 KHZ:L

EVC (MH). . . . . . . . 0.98

DRIVER RADIATING AREA:S

D(IN2) . . . . . . . 135.34

SD(CM2). . . . . . . 877.00

MOTOR FORCE FACTOR:BL(TM) . . . . . . . . 13.49

COMPLIANCE VOLUME:V

AS (FT3). . . . . . . . . 8.01

VAS (LITERS). . . . . 188.95

SUSPENSION COMPLIANCE:C

MS (µM/N) . . . . 173.00

MOVING MASS, AIR LOAD:M

MS (GRAMS) . . . . 119.52

MOVING MASS, DIAPHRAGM:M

MD (GRAMS). . . . 104.59

FREE-AIR RESONANCE:F

S(HZ) . . . . . . . . 35.00

MECHANICAL Q: QMS . . . . . . . . . . . . 5.80

ELECTRICAL Q: QES . . . . . . . . . . . . 0.36

TOTAL Q: QTS . . . . . . . . . . . . 0.34

MAGNETIC-GAP HEIGHT:H

AG (IN) . . . . . . . . . 0.32

HAG (MM) . . . . . . . . 8.13

VOICE-COIL HEIGHT:H

VC (IN) . . . . . . . . . 0.75

HVC (MM) . . . . . . . 19.05

MAXIMUM EXCURSION:X

MAX (IN) . . . . . . . . 0.22

XMAX (MM). . . . . . . . 5.46

IMPEDANCE CURVE

INFINITE BAFFLE

FREQUENCY RESPONSE @ 2.83 V

INFINITE BAFFLE

EXCURSION/GROUP DELAY @ 150 W

1500GTi 15" Woofer – Technical Data

JBL Technical Data . . . . . 7•53

SEALED

BOX VOLUME

SEALED

FREQUENCY RESPONSE @ 2.83 V

SEALED

EXCURSION/GROUP DELAY @ 500 W

VENTED

BOX VOLUME

VENTED

FREQUENCY RESPONSE @ 2.83 V

VENTED

EXCURSION/GROUP DELAY @ 600 W

1500GTi 15" Woofer – Technical Data

7•54 . . . . . JBL Technical Data

GTi1500

(side view)

(2) Ports

fo= 39 Hz

diameter = 4.0"

length = 9.46"

VBOX = 2.86 ft3 (81.00 liters)

(all sides lined with 1-inch fiberglass or fiberfill)

105

100

20 Frequency 50 100 Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP @ 70 Hz

Xd mM

T mSec 20

-5

-10

-15

-20

20 Frequency 50 100 Hz 200 500 1k 2k

Transducer Excursion

Group Delay

VBOX = 1.85 ft3 (52.39 liters)

(all sides lined with 1-inch fiberglass or fiberfill)

GTi1500

(side view)

105

100

20 Frequency 50 100 Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP @ 70 Hz

Xd mM

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

T mSec 10.0

7.5

5.0

2.5

0.0

-2.5

-5.0

-7.5

-10.0

20 Frequency 50 100 Hz 200 500 1k 2k

Transducer Excursion

Group Delay

SEALED BANDPASS

BOX VOLUME

SEALED BANDPASS

FREQUENCY RESPONSE @ 2.83 V

SEALED BANDPASS

EXCURSION/GROUP DELAY @ 500 W

NOTES

VREAR =

1.85 ft3 (52.39 liters)

(all sides lined with 1-inch fiberglass or fiberfill)

VFRONT =

1.00 ft3

(28.32 liters)

GTi1500

(side view)

diam. = 4"

(2)Ports

fo= 75 Hz

length =

8.53"

105

100

20 Frequency 50 100 Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP @ 80 Hz

Xd mM

20.0

17.5

15.0

12.5

10.0

7.5

5.0

2.5

0.0

T mSec 40

-10

-20

-30

-40

20 Frequency 50 100 Hz 200 500 1k 2k

Transducer Excursion

Group Delay

1500GTi 15" Woofer – Technical Data

JBL Technical Data . . . . . 7•55

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