JBL W15GTI User Manual

SPECIFICATIONS
DIAMETER: 15" (381.0 MM)
S
ENSITIVITY (2.83V @ 1M): 92 dB
P
OWER HANDLING: 800 W
RMS
, 5,000 W
PK
FREQUENCY RESPONSE: 20 HZ ~ 1 KHZ
NOMINAL IMPEDANCE:6 OHMS (PER COIL)
V
OICE-COIL DIAMETER: 3.0" (76.2 MM)
B
ASKET DISPLACEMENT: 0.130 FT
3
(3.680 LITERS)
D
IMENSIONS:
THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE:R
EVC
(OHMS)*. . . . . 2.95
V
OICE COIL INDUCTANCE @ 1 KHZ:L
EVC
(MH)* . . . . . . 1.06
D
RIVER RADIATING AREA:S
D
(FT
2
). . . . . . . . 0.839
S
D
(M
2
) . . . . . . . . 0.078
M
OTOR FORCE FACTOR: BL (TM)*. . . . . . . 15.39
C
OMPLIANCE VOLUME:V
AS
(FT
3
) . . . . . . . . 4.67
V
AS
(LITERS) . . . . 132.20
S
USPENSION COMPLIANCE:C
MS
(µM/N) . . . . 153.02
M
OVING MASS, AIR LOAD:M
MS
(GRAMS). . . . 260.67
MOVING MASS, DIAPHRAGM:M
MD
(GRAMS) . . . 248.15
F
REE-AIR RESONANCE:F
S
(HZ) . . . . . . . . 25.20
M
ECHANICAL Q: Q
MS
. . . . . . . . . . . 7.20
E
LECTRICAL Q: Q
ES
. . . . . . . . . . . . 0.51
T
OTAL Q: Q
TS
. . . . . . . . . . . . 0.48
M
AGNETIC-GAP HEIGHT:H
AG
(IN). . . . . . . . . 1.00
H
AG
(MM) . . . . . . . 25.40
V
OICE-COIL HEIGHT:H
VC
(IN). . . . . . . . . 2.60
H
VC
(MM) . . . . . . . 66.04
M
AXIMUM EXCURSION:X
MAX
(IN). . . . . . . . 0.80
(O
NE-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 @ 3200 W
JBL, Incorporated • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
W15GTi 15" Woofer – Technical Data
mounting depth
10.25" (260.35 mm)
cutout diameter
13.87" (352.30 mm)
outer diameter
15.31" (388.87 mm)
V
BOX
= 1.50 ft
3
(42.48 liters)
(stuffed with loosely-packed fiberfill)
W15GTi
(side view)
C
dB
100
95
90
85
80
75
70
65
60
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

JBL W15GTI Specifications

General

Type	Subwoofer
Size	15 inches
Enclosure Type	Sealed or Ported
Power Handling (Peak)	4000W
Voice Coil	3 inches
Mounting Diameter	14"

Summary

JBL W15GTi Woofer Specifications

General Specifications

Key physical and performance characteristics including diameter, sensitivity, power handling, impedance, and dimensions.

Thiele-Small Parameters

Electrical and mechanical parameters for loudspeaker design, such as DC resistance, inductance, compliance, and resonance.

Sealed Box Performance

Box Volume Recommendation

Recommended sealed enclosure volume for optimal driver performance, including displacement details.

Frequency Response

Frequency response curve for the woofer in a sealed enclosure at 2.83V, showing In-Car and Out-Of-Car responses.

Transducer Excursion

Woofer excursion graph at 3200W, indicating mechanical limits and potential damage zones.

Vented Box Performance

Box Volume Recommendation

Recommended vented enclosure volume with port tuning frequency and dimensions for driver performance.

Frequency Response

Frequency response curve for the woofer in a vented enclosure at 2.83V, showing In-Car and Out-Of-Car responses.

Transducer Excursion

Woofer excursion graph at 3500W, indicating mechanical limits and potential damage zones.

Sealed Bandpass Performance

Box Volume Recommendation

Recommended sealed bandpass enclosure volumes (front and rear chambers) with port tuning.

Frequency Response

Frequency response curve for the woofer in a sealed bandpass enclosure at 2.83V.

Transducer Excursion

Woofer excursion graph at 2500W for sealed bandpass, showing mechanical limits.