JBL GT1200 Technical Data

SPECIFICATIONS

D :
IAMETER
S (2.83 V @ 1 ):
ENSITIVITY M
P H :
OWER ANDLING
F R :
REQUENCY ESPONSE
N I :
OMINAL MPEDANCE
V -C D :
OICE OIL IAMETER
D :
IMENSIONS
mounting depth
5.75" (146.05 mm)
THIELE-SMALL PARAMETERS
V C D R :
OICE OIL C ESISTANCE
V C I @ 1
OICE OIL NDUCTANCE
D R A :
RIVER ADIATING REA
M F F :
OTOR ORCE ACTOR
C V :
OMPLIANCE OLUME
S C :
USPENSION OMPLIANCE
M M , A L :
OVING ASS IR OAD
M M , D :
OVING ASS IAPHRAGM
F -A R :
REE IR ESONANCE
M Q:
ECHANICAL
E Q:
LECTRICAL
T Q:
OTAL
M -G H :
AGNETIC AP EIGHT
V -C H :
OICE OIL EIGHT
M E :
AXIMUM XCURSION
7•20 . . . . . JBL Technical Data
GT1200 12" Woofer – Technical Data
12" (304.8 )
MM
95 dB
280 W
RMS
25 ~ 3,000 H
Z
4
OHMS
2.0" (50.7 )
MM
cutout diameter
11.13" (283.00 mm)
outer diameter
12.18" (309.44 mm)
R ( ) . . . . . . 3.17
OHMS
EVC
H : L ( H). . . . . . . . 2.16
K Z M
EVC
S ( ) . . . . . . . . 82.10
IN 2
D
S ( ). . . . . . . 532.00
CM 2
D
B (T ) . . . . . . . . 12.82
L M
V ( ). . . . . . . . . 6.60
FT 3
AS
V ( ). . . . . 155.73
LITERS
AS
C (µ /N) . . . . 387.48
M
MS
M ( ) . . . . 105.69
GRAMS
MS
M ( ). . . . . 98.64
GRAMS
MD
F (H ) . . . . . . . . 24.80
Z
S
Q . . . . . . . . . . . 11.76
MS
Q . . . . . . . . . . . . 0.32
ES
Q . . . . . . . . . . . . 0.31
TS
H ( ) . . . . . . . . . 0.31
IN
AG
H ( ) . . . . . . . . 7.92
MM
AG
H ( ) . . . . . . . . . 0.88
IN
VC
H ( ) . . . . . . . 22.23
MM
VC
X ( ) . . . . . . . . .0.28
IN
MAX
X ( ). . . . . . . . 7.15
MM
MAX
IMPEDANCE CURVE
Ohms
100.0
30.0
10.0
3.0
1.0
20 Frequency 50 100 Hz
INFINITE BAFFLE
FREQUENCY RESPONSE @ 2.83 V
dB
105
In-Car
12 dB LP @ 80 Hz
100
95
Out-Of-Car
90
85
80
75
70
65
20 Frequency 50 100 Hz
INFINITE BAFFLE
EXCURSION/GROUP DELAY @ 75 W
Xd mM
20.0
17.5
15.0
12.5
Group Delay
10.0
7.5
5.0
2.5
Transducer Excursion
0.0
20 Frequency 50 100 Hz
200 500 1k
200 500 1k
T mSec
200 500 1k
2k
C
2 k
10.0
7.5
5.0
2.5
0.0
-2.5
-5.0
-7.5
C -10.0
2 k