JBL GT4-10 - 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
(CM
2
) . . . . . . 346.00
M
OTOR FORCE FACTOR:BL (TM). . . . . . . . 14.30
C
OMPLIANCE VOLUME:V
AS
(FT
3
) . . . . . . . . 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 ft
3
(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

Summary

JBL GT4-10 Woofer Specifications

Sensitivity

Measures sound output level for a given input power.

Power Handling

Indicates the continuous and peak power the woofer can manage.

Frequency Response

Nominal Impedance

The electrical resistance of the voice coil.

Thiele-Small Parameters

Voice Coil DC Resistance

Driver Radiating Area

Motor Force Factor

Product of magnetic field strength and voice coil length.

Compliance Volume (VAS)

Equivalent volume of air with the same compliance as the suspension.

Suspension Compliance

Moving Mass

Free-Air Resonance

The natural resonant frequency of the driver in free air.

Total Q

Overall damping factor of the driver.

Maximum Excursion (XMAX)

Maximum linear cone displacement.

Sealed Box Volume and Performance

Sealed Frequency Response

Sealed Transducer Excursion

Vented and Bandpass Enclosure Design

Vented Frequency Response

Vented Transducer Excursion

Sealed Bandpass Frequency Response

Sealed Bandpass Transducer Excursion

JBL GT4-10 Specifications

General

Brand	JBL
Model	GT4-10
Category	Subwoofer
Language	English