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Beta FifteenX 15" Woofer � Technical Data
SEALED BANDPASS BOX VOLUME
(2) Ports
fo = 50 Hz length = 14.50"
NOTES
Beta FifteenX
(side view) diam. = 4"
VREAR = 2.50 ft3 (70.80 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VFRONT = 1.25 ft3 (35.40 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 60 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 @ 700 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
8�52 . . Infinity Technical Data
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