Jbl 800GTI User Manual
SPECIFICATIONS
DIAMETER: 8" (0.32 MM)
S
ENSITIVITY (2.83 V @ 1 M): 90 dB
P
OWER HANDLING: 300 W
RMS
FREQUENCY RESPONSE: 30 HZ ~ 1 KHZ
NOMINAL IMPEDANCE:4 OHMS
VOICE-COIL DIAMETER: 3.0" (76 MM)
D
IMENSIONS:
THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE:R
EVC
(OHMS) . . . . . . 3.20
V
OICE COIL INDUCTANCE @ 1 KHZ:L
EVC
(MH). . . . . . . . 0.49
D
RIVER RADIATING AREA:S
D
(IN2) . . . . . . . . 32.41
S
D
(CM2). . . . . . . 210.00
M
OTOR FORCE FACTOR:BL (TM) . . . . . . . . 10.09
C
OMPLIANCE VOLUME:V
AS
(FT3). . . . . . . . . 0.33
V
AS
(LITERS). . . . . . . 7.79
S
USPENSION COMPLIANCE:C
MS
(µM/N) . . . . 124.39
M
OVING MASS, AIR LOAD:M
MS
(GRAMS). . . . . 45.36
M
OVING MASS, DIAPHRAGM:M
MD
(GRAMS). . . . . 43.61
F
REE-AIR RESONANCE:F
S
(HZ) . . . . . . . . 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-GAP HEIGHT:H
AG
(IN) . . . . . . . . . 0.28
H
AG
(MM) . . . . . . . . 7.11
V
OICE-COIL HEIGHT:H
VC
(IN) . . . . . . . . . 0.75
H
VC
(MM) . . . . . . . 19.05
M
AXIMUM EXCURSION: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 ft3 (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 ft3 (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
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