JBL 1500.4 GTi (serv.man2) Service Tips ▷ View online
mounting depth
5.25" (133.35 mm)
cutout diameter
14.00" (355.60 mm)
outer diameter
15.25" (387.35 mm)
Ohms
100.0
1.0
3.0
10.0
30.0
20 Frequency 50 100 Hz 200 500 1k 2k
C
dB
105
100
95
90
85
80
75
70
65
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 75 Hz
12 dB LP @ 75 Hz
C
Xd mM
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0.0
T mSec
10.0
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10.0
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
SPECIFICATIONS
D
IAMETER
:
15" (0.59
MM
)
S
ENSITIVITY
(2.83 V @ 1
M
):
94 dB
P
OWER
H
ANDLING
:
600 W
RMS
F
REQUENCY
R
ESPONSE
:
20 ~ 300 H
Z
N
OMINAL
I
MPEDANCE
:
4
OHMS
V
OICE
-C
OIL
D
IAMETER
:
4.0" (102.00
MM
)
D
IMENSIONS
:
THIELE-SMALL PARAMETERS
V
OICE
C
OIL
D
C
R
ESISTANCE
:
R
EVC
(
OHMS
) . . . . . . 2.50
V
OICE
C
OIL
I
NDUCTANCE
@ 1
K
H
Z
: L
EVC
(
M
H). . . . . . . . 0.98
D
RIVER
R
ADIATING
A
REA
:
S
D
(
IN
2
) . . . . . . . 135.34
S
D
(
CM
2
). . . . . . . 877.00
M
OTOR
F
ORCE
F
ACTOR
:
B
L
(T
M
) . . . . . . . . 13.49
C
OMPLIANCE
V
OLUME
:
V
AS
(
FT
3
). . . . . . . . . 8.01
V
AS
(
LITERS
). . . . . 188.95
S
USPENSION
C
OMPLIANCE
:
C
MS
(µ
M
/N) . . . . 173.00
M
OVING
M
ASS
, A
IR
L
OAD
:
M
MS
(
GRAMS
) . . . . 119.52
M
OVING
M
ASS
, D
IAPHRAGM
:
M
MD
(
GRAMS
). . . . 104.59
F
REE
-A
IR
R
ESONANCE
:
F
S
(H
Z
) . . . . . . . . 35.00
M
ECHANICAL
Q:
Q
MS
. . . . . . . . . . . . 5.80
E
LECTRICAL
Q:
Q
ES
. . . . . . . . . . . . 0.36
T
OTAL
Q:
Q
TS
. . . . . . . . . . . . 0.34
M
AGNETIC
-G
AP
H
EIGHT
:
H
AG
(
IN
) . . . . . . . . . 0.32
H
AG
(
MM
) . . . . . . . . 8.13
V
OICE
-C
OIL
H
EIGHT
:
H
VC
(
IN
) . . . . . . . . . 0.75
H
VC
(
MM
) . . . . . . . 19.05
M
AXIMUM
E
XCURSION
:
X
MAX
(
IN
) . . . . . . . . 0.22
X
MAX
(
MM
). . . . . . . . 5.46
IMPEDANCE CURVE
INFINITE BAFFLE
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
INFINITE BAFFLE
EXCURSION/GROUP DELAY @ 150 W
EXCURSION/GROUP DELAY @ 150 W
1500GTi 15" Woofer – Technical Data
JBL Technical Data . . . . . 7•53
SEALED
BOX VOLUME
BOX VOLUME
SEALED
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
SEALED
EXCURSION/GROUP DELAY @ 500 W
EXCURSION/GROUP DELAY @ 500 W
VENTED
BOX VOLUME
BOX VOLUME
VENTED
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
VENTED
EXCURSION/GROUP DELAY @ 600 W
EXCURSION/GROUP DELAY @ 600 W
1500GTi 15" Woofer – Technical Data
7•54 . . . . . JBL Technical Data
GTi1500
(side view)
(2) Ports
fo = 39 Hz
diameter = 4.0"
length = 9.46"
V
BOX
=
2.86 ft
3
(81.00 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
C
dB
105
100
95
90
85
80
75
70
65
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 70 Hz
12 dB LP @ 70 Hz
C
Xd mM
40
35
30
25
20
15
10
5
0
T mSec
20
15
10
5
0
-5
-10
-15
-20
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
V
BOX
=
1.85 ft
3
(52.39 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
GTi1500
(side view)
C
dB
105
100
95
90
85
80
75
70
65
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 70 Hz
12 dB LP @ 70 Hz
C
Xd mM
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0
T mSec
10.0
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10.0
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
SEALED BANDPASS
BOX VOLUME
BOX VOLUME
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS
EXCURSION/GROUP DELAY @ 500 W
EXCURSION/GROUP DELAY @ 500 W
NOTES
V
REAR
=
1.85 ft
3
(52.39 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
V
FRONT
=
1.00 ft
3
(28.32 liters)
GTi1500
(side view)
diam. = 4"
(2) Ports
fo= 75 Hz
length =
8.53"
C
dB
105
100
95
90
85
80
75
70
65
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
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
T mSec
40
30
20
10
0
-10
-20
-30
-40
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
1500GTi 15" Woofer – Technical Data
JBL Technical Data . . . . . 7•55
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