Read JBL GT 800D Service Tips online
SPECIFICATIONS
D
IAMETER
:
8" (203.2
MM
)
S
ENSITIVITY
(2.83 V @ 1
M
):
93 dB
P
OWER
H
ANDLING
:
200 W
RMS
F
REQUENCY
R
ESPONSE
:
35 ~ 5,000 H
Z
N
OMINAL
I
MPEDANCE
:
4
OHMS
(
PER COIL
)
V
OICE
-C
OIL
D
IAMETER
:
1.5" (38.1
MM
)
D
IMENSIONS
:
THIELE-SMALL PARAMETERS*
V
OICE
C
OIL
D
C
R
ESISTANCE
:
R
EVC
(
OHMS
) . . . . . . 1.68
V
OICE
C
OIL
I
NDUCTANCE
@ 1
K
H
Z
: L
EVC
(
M
H) . . . . . . . 0.93
D
RIVER
R
ADIATING
A
REA
:
S
D
(
IN
2
) . . . . . . . . 33.02
S
D
(
CM
2
) . . . . . . 214.00
M
OTOR
F
ORCE
F
ACTOR
:
B
L
(T
M
) . . . . . . . . . 5.92
C
OMPLIANCE
V
OLUME
:
V
AS
(
FT
3
) . . . . . . . . 1.56
V
AS
(
LITERS
) . . . . . 36.70
S
USPENSION
C
OMPLIANCE
:
C
MS
(µ
M
/N) . . . . 564.34
M
OVING
M
ASS
, A
IR
L
OAD
:
M
MS
(
GRAMS
). . . . . 42.26
M
OVING
M
ASS
, D
IAPHRAGM
:
M
MD
(
GRAMS
) . . . . 40.46
F
REE
-A
IR
R
ESONANCE
:
F
S
(H
Z
) . . . . . . . . 32.59
M
ECHANICAL
Q:
Q
MS
. . . . . . . . . . 11.00
E
LECTRICAL
Q:
Q
ES
. . . . . . . . . . . . 0.42
T
OTAL
Q:
Q
TS
. . . . . . . . . . . . 0.40
M
AGNETIC
-G
AP
H
EIGHT
:
H
AG
(
IN
) . . . . . . . . . 0.31
H
AG
(
MM
) . . . . . . . . 7.92
V
OICE
-C
OIL
H
EIGHT
:
H
VC
(
IN
) . . . . . . . . . 0.63
H
VC
(
MM
) . . . . . . . 15.88
M
AXIMUM
E
XCURSION
:
X
MAX
(
IN
) . . . . . . . . 0.16
X
MAX
(
MM
) . . . . . . . 3.98
*
VOICE COILS CONNECTED IN PARALLEL
SEALED
BOX VOLUME
BOX VOLUME
SEALED
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
SEALED
EXCURSION/GROUP DELAY @ 75 W
EXCURSION/GROUP DELAY @ 75 W
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
GT800d 8" Woofer – Technical Data
mounting depth
3.82" (97.00 mm)
cutout diameter
7.13" (181.00 mm)
outer diameter
8.32" (211.14 mm)
V
BOX
=
0.55 ft
3
(15.58 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
GT800d
(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
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
10
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
-10
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
VENTED
BOX VOLUME
BOX VOLUME
VENTED
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
VENTED
EXCURSION/GROUP DELAY @ 75 W
EXCURSION/GROUP DELAY @ 75 W
SEALED BANDPASS
BOX VOLUME
BOX VOLUME
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS
EXCURSION/GROUP DELAY @ 75 W
EXCURSION/GROUP DELAY @ 75 W
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
GT800d 8" Woofer – Technical Data
GT800d
(side view)
Port
fo = 32.0 Hz
diameter = 2.5"
length = 8.62"
V
BOX
=
1.00 ft
3
(28.32 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 @ 90 Hz
12 dB LP @ 90 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
REAR
=
0.54 ft
3
(15.29 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
V
FRONT
=
0.30 ft
3
(4.25 liters)
(all sides lined with 1-inch
fiberglass or fiberfill)
fiberglass or fiberfill)
GT800d
(side view)
diam. = 3"
Port
fo= 65.0 Hz
length =
9.97"
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
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
100
75
50
25
0
-25
-50
-75
-100
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
Display
