800.4 GTi (serv.man2) - JBL Car Audio Service Tips (repair manual)

Model: 800.4 GTi (serv.man2)
Pages: 3 Few pages! See other manuals at the bottom of the first or last page.
Size: 126.27 KB
Type: PDF
Document: Service Tips
Brand: JBL
Device: Car Audio
File: 8004-gti-sm2.pdf
Date: 2018-11-20

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Read JBL 800.4 GTi (serv.man2) Service Tips online

SPECIFICATIONS
D
IAMETER
:
8" (0.32 
MM
)
S
ENSITIVITY
(2.83 V @ 1
M
):
90 dB
P
OWER
H
ANDLING
:
300 W
RMS
F
REQUENCY
R
ESPONSE
:
30 H
Z
~ 1 
K
H
Z
N
OMINAL
I
MPEDANCE
:
4 
OHMS
V
OICE
-C
OIL
D
IAMETER
:
3.0" (76 
MM
)
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). . . . . . . . 0.49
D
RIVER
R
ADIATING
A
REA
:
S
D
(
IN
2
) . . . . . . . . 32.41
S
D
(
CM
2
). . . . . . . 210.00
M
OTOR
F
ORCE
F
ACTOR
:
B
L
(T
M
) . . . . . . . . 10.09
C
OMPLIANCE
V
OLUME
:
V
AS
(
FT
3
). . . . . . . . . 0.33
V
AS
(
LITERS
). . . . . . . 7.79
S
USPENSION
C
OMPLIANCE
:
C
MS
(µ
M
/N) . . . . 124.39
M
OVING
M
ASS
, A
IR
L
OAD
:
M
MS
(
GRAMS
) . . . . . 45.36
M
OVING
M
ASS
, D
IAPHRAGM
:
M
MD
(
GRAMS
). . . . . 43.61
F
REE
-A
IR
R
ESONANCE
:
F
S
(H
Z
) . . . . . . . . 67.00
M
ECHANICAL
Q:
Q
MS
. . . . . . . . . . . . 4.80
E
LECTRICAL
Q:
Q
ES
. . . . . . . . . . . . 0.60
T
OTAL
Q:
Q
TS
. . . . . . . . . . . . 0.53
M
AGNETIC
-G
AP
H
EIGHT
:
H
AG
(
IN
) . . . . . . . . . 0.28
H
AG
(
MM
) . . . . . . . . 7.11
V
OICE
-C
OIL
H
EIGHT
:
H
VC
(
IN
) . . . . . . . . . 0.75
H
VC
(
MM
) . . . . . . . 19.05
M
AXIMUM
E
XCURSION
:
X
MAX
(
IN
) . . . . . . . . 0.23
X
MAX
(
MM
). . . . . . . . 5.97
IMPEDANCE CURVE
INFINITE BAFFLE
FREQUENCY RESPONSE @ 2.83 V
INFINITE BAFFLE
EXCURSION/GROUP DELAY @ 75 W
800GTi 8" Woofer – Technical Data
7•44 . . . . . JBL Technical Data
mounting depth
4.00" (101.6 mm)
cutout diameter
7.07" (179.39 mm)
outer diameter
8.32" (211.14 mm)
Ohms  
100.0
 1.0
 3.0
10.0
30.0
20   Frequency          50                     100 Hz                 200                             500                      1k                     2k
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 
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
  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

GTi800
(side view)
Port
fo = 51 Hz
diameter = 2.0"
length = 7.99"
V
BOX
 = 
 
0.28 ft
3 
(7.93 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 
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
  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
 = 
 
0.30 ft
3 
(8.50 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
GTi800
(side view)
C
dB    
   95
   90
   85
   80
   75
   70
   65
   60
   55
20       Frequency       50                      100 Hz                200                              500                      1k                      2 k    
In-Car
12 dB LP @ 70 Hz
Out-Of-Car
C
Xd mM 
  8.0
  7.0
  6.0
  5.0
  4.0
  3.0
  2.0
  1.0
  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
SEALED 
BOX VOLUME
SEALED
FREQUENCY RESPONSE @ 2.83 V
SEALED 
EXCURSION/GROUP DELAY @ 200 W
VENTED
BOX VOLUME
VENTED
FREQUENCY RESPONSE @ 2.83 V
VENTED
EXCURSION/GROUP DELAY @ 375 W
800GTi 8" Woofer – Technical Data
JBL Technical Data . . . . . 7•45

SEALED BANDPASS
BOX VOLUME
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS
EXCURSION/GROUP DELAY @ 300 W
NOTES
800GTi 8" Woofer – Technical Data
7•46 . . . . . JBL Technical Data
V
REAR
 = 
 
0.28 ft
3 
(7.93 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
V
FRONT 
= 
  
0.20 ft
3
              (5.66 liters)
GTi800
(side view)
diam. = 3"
Port
fo= 93 Hz
length =
8.46"
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 @ 70 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

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Here you can read online and download JBL 800.4 GTi (serv.man2) Service Tips in PDF. 800.4 GTi (serv.man2) service tips will guide through the process and help you recover, restore, fix, disassemble and repair JBL 800.4 GTi (serv.man2) Car Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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