GT4-15 - JBL Car Audio Info Sheet (repair manual)

gt4-15 info sheet
Model
GT4-15
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
89.44 KB
Type
PDF
Document
Info Sheet
Brand
Device
Car Audio
File
gt4-15.pdf
Date
Next: JBL GT4-15 (serv.man2) User Guide / Operation Manual

Read JBL GT4-15 Info Sheet online

SPECIFICATIONS
D
IAMETER
:
15" (380
MM
)
S
ENSITIVITY
(2.83V @ 1
M
):
91
D
B
P
OWER
H
ANDLING
:
250W
RMS
/1000W
PEAK
F
REQUENCY
R
ESPONSE
:
20H
Z
~ 400H
Z
N
OMINAL
I
MPEDANCE
:
4 
OHMS
V
OICE
C
OIL
D
IAMETER
:
2" (50.70
MM
)
D
IMENSIONS
:
THIELE-SMALL PARAMETERS
V
OICE
C
OIL
DC R
ESISTANCE
:
R
EVC
(
OHMS
) . . . . . . 3.60
V
OICE
C
OIL
I
NDUCTANCE
@ 1
K
H
Z
: L
EVC
(
M
H) . . . . . . . 3.10
D
RIVER
R
ADIATING
A
REA
:
S
D
(
IN
2
) . . . . . . . 132.53
S
D
(
CM
2
) . . . . . . 855.00
M
OTOR
F
ORCE
F
ACTOR
:
B
L
(T
M
) .  .  . . . . . . 18.32
C
OMPLIANCE
V
OLUME
:
V
AS
(
FT
3
) . . . . . . . . 4.70
V
AS
(
LITERS
) . . . . 133.00
S
USPENSION
C
OMPLIANCE
:
C
MS
(µ
M
/N) . . . . 128.12
M
OVING
M
ASS
, A
IR
L
OAD
:
M
MS
(
GRAMS
). . . . 245.80
M
OVING
M
ASS
, D
IAPHRAGM
:
M
MD
(
GRAMS
) . . . 231.42
F
REE
-A
IR
R
ESONANCE
:
F
S
(H
Z
) .  .  . . . . . . 28.36
M
ECHANICAL
Q:
Q
MS
. . . . . . . . . . . 7.35
E
LECTRICAL
Q:
Q
ES
. . . . . . . . . . . . 0.47
T
OTAL
Q:
Q
TS
. . . . . . . . . . . . 0.44
M
AGNETIC
-G
AP
H
EIGHT
:
H
AG
(
IN
) . . . . . . . . . 1.30
H
AG
(
MM
) .  .  . . . . . 33.00
V
OICE
C
OIL
H
EIGHT
:
H
VC
(
IN
) . . . . . . . . . 0.31
H
VC
(
MM
) . . . . . . . . 8.00
M
AXIMUM
E
XCURSION
:
X
MAX
(
IN
) . . . . . . . . 0.49
X
MAX
(
MM
) .  .  . . . . 12.50
SEALED BOX VOLUME
(INCLUDES DRIVER DISPLACEMENT)
SEALED
FREQUENCY RESPONSE @ 2.83V
SEALED
TRANSDUCER EXCURSION @ 250W
C
dB    
100
90
80
70
60
50
40
30
20
20    Frequency          50                      100Hz                 200                             500                      1k                       2k  
Out-Of-Car
In-Car
12dB 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                      100Hz                 200                             500                      1k                       2k  
mounting depth
6.75" (172.00mm)
cutout diameter
14.25" (362.00mm)
outer diameter
15.125" (384.17mm)
GT4-15 380mm Woofer – Technical Data
JBL Consumer Products • 250 Crossways Park Drive • Woodbury, NY 11797 •  www.jbl.com
V
BOX
 = 
 
1.50 ft
3 
(42.48 liters)
(all sides lined with 1-inch fiberglass insulation or fiberfill)
GT4-15
(side view)
®
VENTED BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
VENTED
FREQUENCY RESPONSE @ 2.83V
VENTED 
TRANSDUCER EXCURSION @ 250W
SEALED BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83V
SEALED BANDPASS
TRANSDUCER EXCURSION @ 250W
GT4-15
(side view)
Port
fo = 28Hz
diameter = 6"
length = 15.13"
V
BOX
 = 
 
4 ft
3 
(113.27 liters)
(all sides lined with 1-inch fiberglass or 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
12dB LP @ 80Hz
C
Xd mM
40
35
30
25
20
15
10
5
0
20    Frequency          50                      100Hz                 200                             500                      1k                       2k  
V
REAR
 = 
 
3.40 ft
3 
(96.28 liters)
(all sides lined with 1-inch fiberglass 
insulation or fiberfill)
V
FRONT 
= 
  
2 ft
3
              (56.63 liters)
(all sides lined with 1-inch 
fiberglass insulation or fiberfill)
GT4-15
(side view)
diam. = 6"
Port
fo= 40Hz
length =
14.73"
C
dB    
110
100
90
80
70
60
50
40
30
20    Frequency          50                      100Hz                 200                             500                      1k                       2k  
Out-Of-Car
In-Car
12dB 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                      100Hz                 200                             500                      1k                       2k  
GT4-15 380mm Woofer – Technical Data
JBL Consumer Products • 250 Crossways Park Drive • Woodbury, NY 11797 • www.jbl.com
®
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