JBL W12GTI Manuale di istruzioni

SPECIFICATIONS

DIAMETER: 12" (304.8 MM)

SENSITIVITY (2.83V @ 1M): 91 dB

POWER HANDLING: 700 WRMS, 4,000 WPK

FREQUENCY RESPONSE: 18 HZ~ 1 KHZ

NOMINAL IMPEDANCE:6OHMS (PER COIL)

VOICE-COIL DIAMETER: 3.0" (76.2 MM)

BASKET DISPLACEMENT: 0.12 FT3 (3.40 LITERS)

DIMENSIONS:

THIELE-SMALL PARAMETERS

VOICE COIL DCRESISTANCE:R

EVC (OHMS)*. . . . . 3.20

VOICE COIL INDUCTANCE @ 1 KHZ:L

EVC (MH)* . . . . . . 0.75

DRIVER RADIATING AREA:S

D(FT2). . . . . . . . 0.516

SD(M2) . . . . . . . . 0.048

MOTOR FORCE FACTOR: BL (TM)*. . . . . . . 14.64

COMPLIANCE VOLUME:V

AS (FT3) . . . . . . . . 1.58

VAS (LITERS) . . . . . 44.75

SUSPENSION COMPLIANCE:C

MS (µM/N) . . . . 135.28

MOVING MASS, AIR LOAD:M

MS (GRAMS). . . . 184.80

MOVING MASS, DIAPHRAGM:M

MD (GRAMS) . . . 178.72

FREE-AIR RESONANCE:F

S(HZ) . . . . . . . . 31.83

MECHANICAL Q: QMS . . . . . . . . . . . 6.68

ELECTRICAL Q: QES. . . . . . . . . . . . 0.55

TOTAL Q: QTS. . . . . . . . . . . . 0.51

MAGNETIC-GAP HEIGHT:H

AG (IN). . . . . . . . . 1.00

HAG (MM) . . . . . . . 25.40

VOICE-COIL HEIGHT:H

VC (IN). . . . . . . . . 2.60

HVC (MM) . . . . . . . 66.04

MAXIMUM EXCURSION:X

MAX (IN) . . . . . . . .0.80

(ONE-WAY LINEAR)X

MAX (MM) . . . . . . 20.32

*VOICE COILS CONNECTED IN PARALLEL

SEALED BOX VOLUME

(INCLUDES DRIVER DISPLACEMENT)

SEALED

FREQUENCY RESPONSE @ 2.83 V

SEALED

TRANSDUCER EXCURSION @ 2600 W

JBL, Incorporated • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com

W12GTi 12" Woofer – Technical Data

mounting depth

10.25" (260.35 mm)

cutout diameter

11.00"(279.40 mm)

outer diameter

12.31"(312.67mm)

VBOX = 1.00 ft3 (28.32 liters)

(stuffed with loosely-packed fiberfill)

W12GTi

(side view)

55 20 Frequency 50 100Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP@ 80Hz

Xd mM

20 Frequency 50 100 Hz 200 500 1k 2k

VENTED BOX VOLUME

(INCLUDES DRIVER/PORT DISPLACEMENTS)

VENTED

FREQUENCY RESPONSE @ 2.83 V

VENTED

TRANSDUCER EXCURSION @ 3000 W

SEALED BANDPASS BOX VOLUME

(INCLUDES DRIVER/PORT DISPLACEMENTS)

SEALED BANDPASS

FREQUENCY RESPONSE @ 2.83 V

SEALED BANDPASS

TRANSDUCER EXCURSION @ 2100 W

JBL, Incorporated • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com

W12GTi 12" Woofer – Technical Data

W12GTi

(side view)

Port

fo= 30.0 Hz

diameter = 4.0"

length = 13.31"

VBOX = 2.25 ft3 (63.72 liters)

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

105

100

65 20 Frequency 50 100Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP@ 80Hz

Xd mM

20 Frequency 50 100 Hz 200 500 1k 2k

VREAR = 1.50 ft3 (42.48 liters)

(all sides lined with 1-inch fiberglass or fiberfill) VFRONT = 2.00 ft3

(56.64 liters)

W12GTi

(side view)

diam. = 6.0"

Port

fo= 45.0 Hz length =

10.57"

105

100

65 20 Frequency 50 100Hz 200 500 1k 2k

Out-Of-Car

In-Car

12 dB LP@ 80 Hz

Xd mM

20 Frequency 50 100 Hz 200 500 1k 2k

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