JBL GT 4-10 User Manual
SPECIFICATIONS
DIAMETER: 10" (250.0 MM)
S
ENSITIVITY (2.83V @ 1M): 90 dB
P
OWER HANDLING: 250 W
RMS
(1,000 W
PEAK
)
F
REQUENCY
RESPONSE: 28 ~ 500 HZ
NOMINAL
IMPEDANCE:4 OHMS
VOICE-COIL DIAMETER: 2.0" (50.8 MM)
D
IMENSIONS
:
THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE:R
EVC
(OHMS). . . . . . 3.63
V
OICE COIL INDUCTANCE @ 1 KHZ:L
EVC
(MH) . . . . . . . 2.68
D
RIVER RADIATING
AREA:S
D
(
IN
2
). . . . . . . . 53.63
S
D
(CM2) . . . . . . 346.00
M
OTOR FORCE FACTOR:BL (TM) . . . . . . . . 14.30
C
OMPLIANCE VOLUME:V
AS
(FT3) . . . . . . . . 1.27
V
AS
(LITERS) . . . . . 36.10
S
USPENSION COMPLIANCE:C
MS
(µM/N) . . . . 212.35
M
OVING MASS, AIR LOAD:M
MS
(GRAMS). . . . 136.18
MOVING MASS, DIAPHRAGM:M
MD
(GRAMS) . . . 132.48
F
REE-AIR RESONANCE:F
S
(HZ) . . . . . . . . 29.60
M
ECHANICAL Q: Q
MS
. . . . . . . . . . . 6.45
E
LECTRICAL Q: Q
ES
. . . . . . . . . . . . 0.45
T
OTAL Q: Q
TS
. . . . . . . . . . . . 0.42
M
AGNETIC-GAP HEIGHT:H
AG
(IN). . . . . . . . . 1.30
H
AG
(MM) . . . . . . . 33.00
V
OICE-COIL HEIGHT:H
VC
(IN). . . . . . . . . 0.31
H
VC
(MM). . . . . . . . 8.00
M
AXIMUM EXCURSION:X
MAX
(IN). . . . . . . . 0.49
X
MAX
(MM) . . . . . . 12.50
SEALED BOX VOLUME
(INCLUDES DRIVER DISPLACEMENT)
SEALED
FREQUENCY RESPONSE @ 2.83 V
SEALED
TRANSDUCER EXCURSION @ 250 W
JBL Consumer Products • 250 Crossways Park Drive • Woodbury, NY 11797 • www.jbl.com
GT4-10 250mm Woofer – Technical Data
mounting depth
5.75" (147.00 mm)
cutout diameter
9.125" (232.00 mm)
outer diameter
10.125" (258.00 mm)
V
BOX
= 0.75 ft3 (21.24 liters)
(stuffed with loosely-packed fiberfill)
GT4-10
(side view)
C
dB
100
90
80
70
60
50
40
30
20
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
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 2 k
VENTED BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
VENTED
FREQUENCY RESPONSE @ 2.83 V
VENTED
TRANSDUCER EXCURSION @ 250 W
SEALED BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS
)
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS
TRANSDUCER EXCURSION @ 225 W
JBL Consumer Products • 250 Crossways Park Drive • Woodbury, NY 11797 • www.jbl.com
GT4-10 250mm Woofer – Technical Data
GT4-10
(side view)
Port
fo = 25.0 Hz
diameter = 3"
length = 11.96"
V
BOX
= 1.75 ft3 (49.56 liters)
(stuffed with loosely-packed fiberfill)
C
dB
110
100
90
80
70
60
50
40
30
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
C
Xd mM
40
35
30
25
20
15
10
5
0
20 Frequency 50 100 Hz 200 500 1k 2 k
V
FRONT =
1.25 ft
3
(35.40 liters)
(stuffed with loosely-packed
fiberfill)
diam. = 4"
Port
fo= 47.0 Hz
length =
6.81"
V
REAR
= 1.75 ft3 (49.56 liters)
(stuffed with loosely-packed fiberfill)
GT4-10
(side view)
C
dB
110
100
90
80
70
60
50
40
30
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
C
Xd mM
20 Frequency 50 100 Hz 200 500 1k 2 k
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0.0
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