W12 GTi (serv.man2) — JBL Car Audio Service Tips (repair manual)

Model
W12 GTi (serv.man2)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
82.29 KB
Type
PDF
Document
Service Tips
Brand
Device
Car Audio
File
w12-gti-sm2.pdf
Date

View JBL W12 GTi (serv.man2) Service Tips online

SPECIFICATIONS
D
IAMETER
:
12" (304.8 
MM
)
S
ENSITIVITY
(2.83 V @ 1
M
):
91 dB
P
OWER
H
ANDLING
:
700 W
RMS
, 4,000 W
PK
F
REQUENCY
R
ESPONSE
:
18 H
Z
~ 1 
K
H
Z
N
OMINAL
I
MPEDANCE
:
OHMS
(
PER COIL
)
V
OICE
-C
OIL
D
IAMETER
:
3.0" (76.2 
MM
)
B
ASKET
D
ISPLACEMENT
:
0.12 
FT
(3.40 
LITERS
)
D
IMENSIONS
:
THIELE-SMALL PARAMETERS
V
OICE
C
OIL
D
C
R
ESISTANCE
:
R
EVC
(
OHMS
)* . . . . . 3.20
V
OICE
C
OIL
I
NDUCTANCE
@ 1 
K
H
Z
: L
EVC
(
M
H)* . . . . . . 0.75
D
RIVER
R
ADIATING
A
REA
:
S
D
(
FT
2
) . . . . . . . . 0.516
S
D
(
M
2
) . . . . . . . . 0.048
M
OTOR
F
ORCE
F
ACTOR
:
BL (T
M
)* . . . . . . . 14.64
C
OMPLIANCE
V
OLUME
:
V
AS
(
FT
3
) . . . . . . . . 1.58
V
AS
(
LITERS
) . . . . . 44.75
S
USPENSION
C
OMPLIANCE
:
C
MS
M
/N) . . . . 135.28
M
OVING
M
ASS
, A
IR
L
OAD
:
M
MS
(
GRAMS
). . . . 184.80
M
OVING
M
ASS
, D
IAPHRAGM
:
M
MD
(
GRAMS
) . . . 178.72
F
REE
-A
IR
R
ESONANCE
:
F
S
(H
Z
) . . . . . . . . 31.83
M
ECHANICAL
Q:
Q
MS
. . . . . . . . . . . 6.68
E
LECTRICAL
Q:
Q
ES
. . . . . . . . . . . . 0.55
T
OTAL
Q:
Q
TS
. . . . . . . . . . . . 0.51
M
AGNETIC
-G
AP
H
EIGHT
:
H
AG
(
IN
) . . . . . . . . . 1.00
H
AG
(
MM
) . . . . . . . 25.40
V
OICE
-C
OIL
H
EIGHT
:
H
VC
(
IN
) . . . . . . . . . 2.60
H
VC
(
MM
) . . . . . . . 66.04
M
AXIMUM
E
XCURSION
:
X
MAX
(
IN
) . . . . . . . .0.80
(O
NE
-W
AY
L
INEAR
)
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 @ 2600 W
JBL, Incorporated  •  250 Crossways Park Drive  •  Woodbury, NY 11797  •  VOICE: 516-496-3400  •  FAX: 516-496-4868  •  www.jbl.com
W12GTi 12" Woofer – Technical Data
mounting depth
10.25" (260.35 mm)
cutout diameter
11.00" (279.40 mm)
outer diameter
12.31" (312.67 mm)
V
BOX
 = 
 
1.00 ft
(28.32 liters)
(stuffed with loosely-packed fiberfill)
W12GTi
(side view)
C
dB    
95
   90
   85
   80
   75
   70
   65
   60
   55
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    
VENTED BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
VENTED
FREQUENCY RESPONSE @ 2.83 V
VENTED 
TRANSDUCER EXCURSION @ 3000 W
SEALED BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS 
TRANSDUCER EXCURSION @ 2100 W
JBL, Incorporated  •  250 Crossways Park Drive  •  Woodbury, NY 11797  •  VOICE: 516-496-3400  •  FAX: 516-496-4868  •  www.jbl.com
W12GTi 12" Woofer – Technical Data
W12GTi
(side view)
Port
fo = 30.0 Hz
diameter = 4.0"
length = 13.31"
V
BOX
 = 
 
2.25 ft
(63.72 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 @ 80 Hz
C
Xd mM 
80
70
60
50
40
30
20
10
  0
 
  
  
  
  
20       Frequency       50                      100 Hz                200                              500                      1k                      2 k    
V
REAR
 = 
 
1.50 ft
(42.48 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
V
FRONT 
  
2.00 ft
3
              (56.64 liters)
W12GTi
(side view)
diam. = 6.0"
Port
fo= 45.0 Hz
length =
10.57"
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
 
C
Xd mM 
40
35
30
25
20
15
10
5
  0
 
  
  
  
  
20       Frequency       50                      100 Hz                200                              500                      1k                      2 k    
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Here you can view online or download JBL W12 GTi (serv.man2) Service Tips in pdf. This Service Tips can help you recover, restore, fix, disassemble and repair JBL W12 GTi (serv.man2) Car Audio. Information contained in JBL W12 GTi (serv.man2) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).