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User manual JBL 1500 GTI - DATASHEET
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This product, although classified under the brand JBL, may have been manufactured by UREI after mergers, acquisitions, or a change in name.
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Manual abstract: user guide JBL 1500 GTI - DATASHEET
Detailed instructions for use are in the User's Guide.
1500GTi 15" Woofer  Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83 V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:
mounting depth 5.25" (133.35 mm)
IMPEDANCE CURVE
15" (0.59 MM) 94 dB 600 WRMS 20 ~ 300 HZ 4 OHMS 4.0" (102.00 MM)
100.0 Ohms
30.0
10.0
3.0
1.0 20 Frequency 50 100 Hz 200 500 1k 2k
cutout diameter 14.00" (355.60 mm) outer diameter 15.25" (387.35 mm)
INFINITE BAFFLE FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 75 Hz 100
THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 2.50 VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (MH). . . . . . . . 0.98 S D (IN 2) . . . . . . . 135.34 DRIVER RADIATING AREA: S D (CM2). . . . . . . 877.00 BL (TM) . . . . . . . . 13.49 MOTOR FORCE FACTOR: VAS (FT3). . . . . . . . . 8.01 COMPLIANCE VOLUME: VAS (LITERS). . . . . 188.95 C MS (µM/N) . . . . 173.00 SUSPENSION COMPLIANCE: MMS (GRAMS) . . . . 119.52 MOVING MASS, AIR LOAD: MMD (GRAMS). . . . 104.59 MOVING MASS, DIAPHRAGM: FS (HZ) . . . . . . . . 35.00 FREE-AIR RESONANCE: Q MS . . . . . . . . . . . . 5.80 MECHANICAL Q: Q ES . . . . . . . . . . . . 0.36 ELECTRICAL Q: Q TS . . . . . . . . . . . . 0.34 TOTAL Q: HAG (IN) . . . . . . . . . 0.32 MAGNETIC-GAP HEIGHT: HAG (MM) . . . . . . . . 8.13 HVC (IN) . . . . . . . . . 0.75 VOICE-COIL HEIGHT: HVC (MM) . . . . . . . 19.05 X MAX (IN) . . . . . . . . 0.22 MAXIMUM EXCURSION: X MAX (MM). . . . . . . . 5.46
95
Out-Of-Car
90
85
80
75
70
65 20 Frequency 50 100 Hz 200 500 1k
C
2k
INFINITE BAFFLE EXCURSION/GROUP DELAY @ 150 W
20.0 Xd mM T mSec 10.0 17.5 7.5
15.0
5.0
12.5 Group Delay 10.0
2.5
0.0
7.5
-2.5
5.0 Transducer Excursion
-5.0
2.5
-7.5
0.0 20 Frequency 50 100 Hz 200 500 1k
-10.0 2k
C
JBL Technical Data . . . . . 7·53
1500GTi 15" Woofer  Technical Data
SEALED BOX VOLUME VENTED BOX VOLUME
length = 9.46"
(2) Ports
fo = 39 Hz
GTi1500
(side view)
GTi1500
(side view)
VBOX = 1.85 ft (52.39 liters) (all sides lined with 1-inch fiberglass or fiberfill)
3
VBOX = 2.86 ft (81.00 liters) (all sides lined with 1-inch fiberglass or fiberfill)
3
diameter = 4.0"
SEALED FREQUENCY RESPONSE @ 2.83 V
105 dB 105 In-Car 12 dB LP @ 70 Hz 100 100
VENTED FREQUENCY RESPONSE @ 2.83 V
dB In-Car 12 dB LP @ 70 Hz
95 Out-Of-Car
95
90
90
85
85
Out-Of-Car
80
80
75
75
70
70
65 20 Frequency 50 100 Hz 200 500 1k
C
65 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
SEALED EXCURSION/GROUP DELAY @ 500 W
20.0 Xd mM T mSec 10.0 40 17.5 7.5 35
VENTED EXCURSION/GROUP DELAY @ 600 W
Xd mM T mSec 20 15
15.0
5.0
30
10
12.5 Group Delay 10.0
2.5
25 Group Delay
5
0.0
20
0
7.5
-2.5
15
-5
5.0 Transducer Excursion
-5.0
10 Transducer Excursion
-10
2.5
-7.5
5
-15
0 20 Frequency 50 100 Hz 200 500 1k
-10.0 2k
C
0 20 Frequency 50 100 Hz 200 500 1k
C
-20
2k
7·54 . . . . . JBL Technical Data
1500GTi 15" Woofer  Technical Data
SEALED BANDPASS BOX VOLUME NOTES
(2) Ports
fo = 75 Hz
length = 8.53"
GTi1500
(side view) diam. = 4"
VREAR =
1.85 ft3 (52.39 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VFRONT = 1.00 ft3 (28.32 liters)
SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 80 Hz 100
95
Out-Of-Car
90
85
80
75
70
65 20 Frequency 50 100 Hz 200 500 1k
C
2k
SEALED BANDPASS EXCURSION/GROUP DELAY @ 500 W
20.0 Xd mM T mSec 40 17.5 30
15.0
20
12.5
Group Delay
10
10.0
0
7.5
-10
5.0 Transducer Excursion 2.5
-20
-30
0.0 20 Frequency 50 100 Hz 200 500 1k
C
-40
2k
JBL Technical Data . . . . . 7·55
...
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