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2 JL AUDIO M 6-8IB
A
B
E
D
C
Patents pending.
Built in USA with global compone nts.
All specifications are subject to change without notice.
PHYSICAL SPECIFICATIONS
Subwoofer Parameters M6-8IB
Free Air Resonance (Fs): 54.92 Hz
Electrical “Q” (Qes): 0.852
Mechanical “Q” (Qms): 10.314
Total Speaker “Q” (Qts): 0.787
Equivalent Compliance (Vas): 0.54 ft
3
/ 15.29 litres
One-way, Linear Excursion (Xmax)*: 0.53 in / 13.5 mm
Efficiency (1W/1m)**: 86.8 dB SPL
Effective Piston Area (Sd): 35.15 in / 0.0227 m
DC Resistance (Re): 2.993 ohm
Nominal Impedance: 4 ohm
Infinite Baffle Use: Yes
Enclosure Use: Yes (Sealed & Ported)
Power Handling (continuous): 200W
* 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” !
Physical Specifications M6-8IB
Nominal Diameter 8 in / 200 mm
Outer Diameter (A) 8.80 in / 224 mm
Bolt Hole Circle (B) 7.97 in / 202 mm
Frontal Grille Protrusion-Classic* (C) 1.37 in / 35 mm
Frontal Grille Protrusion-Sport* (C) 1.45 in / 37 mm
Mounting Hole Diameter (D) 7.375 in / 187 mm
Mounting Depth (E) 5.00 in / 127 mm
Net Weight 8.70 lbs / 3.90 kg
Driver Displacement 0.033 ft / 0.93 litres
* Frontal grille protrusion measured from mounting surface (Sport Grille Pictured)
INCLUDED PARTS
• One Polymer Subwoofer Grille
• One Polymer Subwoofer Trim Ring
• Six #8 x 1 1/2-inch (38 mm) Phillips pan-head stainless-steel screws
• Six #8 stainless-steel washers
LED Equipped Models
Integrated Transflective™ RGB LED lighting system (patent-pending) delivers
smooth, even accent illumination, with no hot spots. LED functionality requires
separate wiring at each speaker location. Adjustable control of RGB lighting requires
the use of an RGB lighting controller (sold separately). For optimal performance, we
recommend using the JL Audio marine lighting controller (MLC-RW).
We recommend the use of this speaker in a bi-amplified system using high-quality satellite
speakers and amplifiers. We do not recommend the use of this subwoofer with a passive
crossover (coil), as this type of device will adversely affect performance.
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