JBL GT120D Manuale di istruzioni
SPECIFICATIONS
DIAMETER: 12" (304.8 MM)
SENSITIVITY (2.83 V @ 1 M): 93 dB
POWER HANDLING: 250 WRMS (1,000 WPEAK)
FREQUENCY RESPONSE: 23 ~ 450 HZ
NOMINAL IMPEDANCE:4OHMS
VOICE-COIL DIAMETER: 2.0" (50.8 MM)
DIMENSIONS:
THIELE-SMALL PARAMETERS
VOICE COIL DCRESISTANCE:R
EVC (OHMS) . . . . . . 3.56
VOICE COIL INDUCTANCE @ 1 KHZ:L
EVC (MH) . . . . . . . 2.54
DRIVER RADIATING AREA:S
D(IN2) . . . . . . . . 82.31
SD(CM2) . . . . . . 531.00
MOTOR FORCE FACTOR:BL(TM) . . . . . . . . 14.78
COMPLIANCE VOLUME:V
AS (FT3) . . . . . . . . 3.22
VAS (LITERS) . . . . . 91.12
SUSPENSION COMPLIANCE:C
MS (µM/N) . . . . 227.58
MOVING MASS, AIR LOAD:M
MS (GRAMS). . . . 181.74
MOVING MASS, DIAPHRAGM:M
MD (GRAMS) . . . 174.70
FREE-AIR RESONANCE:F
S(HZ) . . . . . . . . 24.75
MECHANICAL Q: QMS . . . . . . . . . . . 6.46
ELECTRICAL Q: QES . . . . . . . . . . . . 0.46
TOTAL Q: QTS . . . . . . . . . . . . 0.43
MAGNETIC-GAP HEIGHT:H
AG (IN) . . . . . . . . . 1.30
HAG (MM) . . . . . . . 33.00
VOICE-COIL HEIGHT:H
VC (IN) . . . . . . . . . 0.31
HVC (MM) . . . . . . . . 8.00
MAXIMUM EXCURSION:X
MAX (IN) . . . . . . . . 0.49
XMAX (MM) . . . . . . 12.50
SEALED BOX VOLUME
(INCLUDES DRIVER DISPLACEMENT)
SEALED
FREQUENCY RESPONSE @ 2.83 V
SEALED
TRANSDUCER EXCURSION @ 300 W
JBL Consumer Products • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
GT120d 12" Woofer – Technical Data
mounting depth
6.25" (158.75 mm)
cutout diameter
11.125" (283.00 mm)
outer diameter
12.25" (311.15 mm)
VBOX = 1.00 ft3 (28.32 liters)
(stuffed with loosely-packed fiberfill)
GT120d
(side view)
C
dB
100
90
80
70
60
50
40
30
20 20 Frequency 50 100 Hz 200 500 1k 2k
Out-Of-Car
In-Car
12 dB LP@ 80Hz
C
Xd mM
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0.0 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 @ 300 W
SEALED BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS
)
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS
TRANSDUCER EXCURSION @ 300 W
JBL Consumer Products • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
GT120d 12" Woofer – Technical Data
GT120d
(side view)
Port
fo= 30.0 Hz
diameter = 4"
length = 13.31"
VBOX = 2.25 ft3 (63.72 liters)
(no fiberfill)
C
dB
110
100
90
80
70
60
50
40
30 20 Frequency 50 100Hz 200 500 1k 2k
Out-Of-Car
In-Car
12 dB LP@ 80Hz
C
Xd mM
40
35
30
25
20
15
10
5
0 20 Frequency 50 100 Hz 200 500 1k 2k
VFRONT = 2.00 ft3
(56.64 liters)
(stuffed with loosely-packed
fiberfill)
diam. = 6"
Port
fo= 45.0 Hz length =
10.57"
VREAR = 1.50 ft3 (42.48 liters)
(stuffed with loosely-packed fiberfill)
GT120d
(side view)
C
dB
110
100
90
80
70
60
50
40
30 20 Frequency 50 100Hz 200 500 1k 2k
Out-Of-Car
In-Car
12 dB LP@ 80Hz
C
Xd mM
20 Frequency 50 100Hz 200 500 1k 2k
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0.0
Indice
Altri manuali JBL Subwoofer
JBL
JBL LS Series Manuale utente
JBL
JBL Decade DS100 Manuale utente
JBL
JBL BASSPRO Manuale utente
JBL
JBL TLX PS12 Manuale utente
JBL
JBL CS10 Manuale utente
JBL
JBL HTPS-400 Manuale utente
JBL
JBL PSW1000 Manuale utente
JBL
JBL GTO1204D Manuale di istruzioni
JBL
JBL Grand Touring Series GTO804 Manuale utente
JBL
JBL CS Series Manuale utente
JBL
JBL P-1500 Manuale di istruzioni
JBL
JBL S2-1024 Manuale utente
JBL
JBL Control SB-2 Manuale utente
JBL
JBL PowerBass PB10 Manuale utente
JBL
JBL BassPro Micro Manuale utente
JBL
JBL EONSUB-G2 Manuale utente
JBL
JBL PSW-D112 Manuale utente
JBL
JBL Grand Touring GTO1204BR Manuale utente
JBL
JBL AM6212/95-WH Manuale utente
JBL
JBL Balboa SUB10 Manuale utente
