JBL GT1000 Manuel d'instructions

SPECIFICATIONS

DIAMETER: 10" (254.0 MM)

SENSITIVITY (2.83 V @ 1 M): 94 dB

POWER HANDLING: 260 WRMS

FREQUENCY RESPONSE: 30 ~ 3,500 HZ

NOMINAL IMPEDANCE:4OHMS

VOICE-COIL DIAMETER: 2.0" (50.7 MM)

DIMENSIONS:

THIELE-SMALL PARAMETERS

VOICE COIL DCRESISTANCE:R

EVC (OHMS) . . . . . . 3.23

VOICE COIL INDUCTANCE @ 1 KHZ:L

EVC (MH). . . . . . . . 2.13

DRIVER RADIATING AREA:S

D(IN2) . . . . . . . . 54.78

SD(CM2). . . . . . . 355.00

MOTOR FORCE FACTOR:BL(TM) . . . . . . . . 11.48

COMPLIANCE VOLUME:V

AS (FT3). . . . . . . . . 2.62

VAS (LITERS). . . . . . 61.73

SUSPENSION COMPLIANCE:C

MS (µM/N) . . . . 344.94

MOVING MASS, AIR LOAD:M

MS (GRAMS). . . . . 89.53

MOVING MASS, DIAPHRAGM:M

MD (GRAMS). . . . . 85.68

FREE-AIR RESONANCE:F

S(HZ) . . . . . . . . 28.64

MECHANICAL Q: QMS . . . . . . . . . . . 10.20

ELECTRICAL Q: QES . . . . . . . . . . . . 0.40

TOTAL Q: QTS . . . . . . . . . . . . 0.38

MAGNETIC-GAP HEIGHT:H

AG (IN) . . . . . . . . . 0.31

HAG (MM) . . . . . . . . 7.92

VOICE-COIL HEIGHT:H

VC (IN) . . . . . . . . . 0.88

HVC (MM) . . . . . . . 22.23

MAXIMUM EXCURSION:X

MAX (IN) . . . . . . . . 0.28

XMAX (MM). . . . . . . . 7.15

IMPEDANCE CURVE

INFINITE BAFFLE

FREQUENCY RESPONSE @ 2.83 V

INFINITE BAFFLE

EXCURSION/GROUP DELAY @ 50 W

GT1000 10" Woofer – Technical Data

7•14 . . . . . JBL Technical Data

Ohms

100.0

1.0

3.0

10.0

30.0

20 Frequency 50 100 Hz 200 500 1k 2k

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 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

mounting depth

5.13" (130.18 mm)

cutout diameter

9.25" (234.95 mm)

outer diameter

10.00" (254.00 mm)

VBOX = 0.80 ft3 (22.66 liters)

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

GT1000

(side view)

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 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

GT1000

(side view)

Port

fo= 30 Hz

diameter = 3.0"

length = 11.02"

VBOX = 1.30 ft3 (36.82 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 @ 90 Hz

Xd mM

T mSec 40

-10

-20

-30

-40

20 Frequency 50 100 Hz 200 500 1k 2k

Transducer Excursion

Group Delay

SEALED

BOX VOLUME

SEALED

FREQUENCY RESPONSE @ 2.83 V

SEALED

EXCURSION/GROUP DELAY @ 200 W

VENTED

BOX VOLUME

VENTED

FREQUENCY RESPONSE @ 2.83 V

VENTED

EXCURSION/GROUP DELAY @ 200 W

GT1000 10" Woofer – Technical Data

JBL Technical Data . . . . . 7•15

SEALED BANDPASS

BOX VOLUME

SEALED BANDPASS

FREQUENCY RESPONSE @ 2.83 V

SEALED BANDPASS

EXCURSION/GROUP DELAY @ 150 W

NOTES

GT1000 10" Woofer – Technical Data

7•16 . . . . . JBL Technical Data

VREAR =

0.80 ft3 (22.66 liters)

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

VFRONT =

0.30 ft3

(8.50 liters)

GT1000

(side view)

diam. = 3"

Port

fo= 70 Hz

length =

8.24"

100

20 Frequency 50 100 Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP @ 90 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

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