User manual JBL JBL 7126 SERVICE MANUAL
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Manual abstract: user guide JBL JBL 7126SERVICE MANUAL
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) . 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 . = 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 . [. . . ] [. . . ]
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