Caution – JL Audio 10IB4 User Manual
Page 2
CAUTION
!!
CAUTION
!!
C A U T I O N
SUBWOOFER:
8IB4
10IB4
12IB4
Free Air Resonance (Fs):
37.5 Hz
37.5 Hz
40.5 Hz
Electrical “Q” (Qes):
0.744
0.837
0.673
Mechanical “Q” (Qms):
8.484
9.400
10.967
Total Speaker “Q” (Qts):
0.684
0.769
0.634
Equiv. Compliance (Vas):
1.80 ft³
2.93 ft³
3.97 ft³
51.0 litres
83.0 litres
112.4 litres
One-way, Linear Excursion:
0.34 in
0.30 in
0.29 in
(Xmax)*
8.6 mm
7.6 mm
7.3 mm
Efficiency (1W/1m)**:
87.4 dB
89.0 dB
92.2 dB
Effective Piston Area (Sd):
30.7 in²
51.8 in²
78.5 in²
0.0198 m²
0.0334 m²
0.0506 m²
DC Resistance (Re):
6.10Ω
7.20Ω
6.07Ω
Nominal Impedance:
8Ω
8Ω
8Ω
Power Handling (continuous):
75W
100W
125W
Mounting Depth:
3.875 in
5.2 in
5.5 in
98 mm
132 mm
140 mm
Mounting Hole Diameter:
7.0 in
9.125 in
11.0625 in
178 mm
232 mm
281 mm
Driver Displacement:
0.03 ft³
0.05 ft³
0.06 ft³
0.792 litres
1.414 litres
1.696 litres
Prolonged exposure to sound pressure levels in excess of 100dB can cause permanent hearing loss. This high-performance speaker can exceed this level. Please exercise restraint in its operation
in order to preserve your ability to enjoy its fidelity.
AMPLIFIER
AMPLIFIER
AMPLIFIER
I B 4
8.0
4.0
2.7
WIRING OPTIONS
2
JL AUDIO
IB4
*Xmax specifications are derived via one-way voice coil overhang
method with no correction factors applied. **Efficiency (1W/1m)
is not an accurate indicator of a subwoofer’s output capability
and should not be used as a comparison to other subwoofers to
determine which one is “louder”.
SUBWOOFER SPECIFICATIONS
CAUTION
!!
CAUTION
!!
I M P O R T A N T
This woofer is specifically designed for infinite baffle installation. It may be used in a large sealed enclosure of at least 8 cubic feet if necessary. This woofer is not well suited for ported or bandpass applications.