JL Audio M8W5 Manual

JL Audio Subwoofer M8W5

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Thank you for choosing a JL Audio Marine Subwoofer.

With proper installation, your new speaker

will deliver years of listening pleasure.

We strongly recommend that you have your subwoofer installed

by your authorized JL Audio dealer. The installation

professionals employed by your dealer have the necessary tools and experience to

properly install this product. If you prefer to perform

your own installation, please read this instruction manual

completely before beginning the process.

OWNER’S MANUAL

Marine Subwoofer

M8IB5 / M8W5

2 JL AUDIO M8IB5 / M8W5

INSTALLATION PROCEDURE

The diagram above shows the typical installation procedure into a fiberglass

panel using the supplied hardware (Classic Grille Model shown. Installation

is the same for Sport Grille Models). Always follow proper safety procedures

when working on a vessel. Use eye-protection at all times and a dust mask and

gloves when cutting.

1) Choose a flat mounting surface that has sufficient

depth and air space behind

it to accept the subwoofer.

2) Cut a 7.375-inch (187 mm) diameter hole.

3) Run the speaker cable to the mounting location.

4) Place the woofer in the hole and mark the screw hole locations using a sharp,

pointed tool.

5) Remove the woofer and drill a pilot hole

(see chart on next page) in each of the screw locations. It is also advisable to use

a hand-driven countersink tool on each hole to further inhibit

gel-coat cracking of fiberglass panels.

6) Connect the speaker wires and place the woofer, with its grille in place, into the

opening (for Sport Grille models, pay attention to where the logo badge will added.

7) While holding the speaker firmly in its mounting location, evenly snug the

mounting screws in a criss-cross pattern, then hand tighten in a criss-cross pattern.

Non-standard installations may require different hardware. Always use

marine-grade, stainless-steel fasteners to ensure a secure, reliable installation.

A l l s p e c i f i c a t i o n s a r e s u b j e c t t o c h a n g e w i t h o u t n o t i c e .

PHYSICAL SPECIFICATIONS

INCLUDED PARTS

• One Polymer Subwoofer Grille

• Six #8 x 1 3/8-inch (35 mm) Phillips pan-head stainless-steel screws

• Six #8 stainless-steel washers

• Logo Badges (Sport-Grille Models Only)

One Pair Black (White & Titanium/Black Models)

One Pair Red (White & Titanium/Black Models)

One Pair White (White Models Only)

One Pair Titanium (Titanium/Black Models Only)

Subwoofer Physical Specifications

Nominal Diameter: 8 in / 200 mm

Frame Outer Diameter (A): 8.80 in / 224 mm

Bolt Hole Circle (B): 7.97 in / 202 mm

Motor Overmold Outer Diameter (C): 5.50 in / 140 mm

Frontal Grille Protrusion* (D): 1.45 in / 37 mm

Mounting Hole Diameter (E): 7.375 in / 187 mm

Mounting Depth (F): 5.18 in / 132 mm

Net Weight: 6.82 lbs. / 3.094 Kg

Driver Displacement: 0.032 ft / 0.91 litres

* Frontal grille protrusion measured from mounting surface.

Subwoofer Parameters M8IB5 M8W5

Free Air Resonance (Fs): 53.37 Hz 40.53 Hz

Electrical “Q” (Qes): 0.833 0.676

Mechanical “Q” (Qms): 11.827 13.110

Total Speaker “Q” (Qts): 0.778 0.643

Equivalent Compliance (Vas): 0.57 ft3 / 16.00 litres 0.85 ft3 / 24.07 litres

One-way, Linear Excursion (Xmax)*: 0.53 in / 13.5 mm 0.53 in / 13.5 mm

Efficiency (1W/1m)**: 86.7 dB SPL 85.8 dB SPL

Effective Piston Area (Sd): 35.15 in / 0.0227 m 35.15 in / 0.0227 m

DC Resistance (Re): 2.958 ohm 3.147 ohm

Nominal Impedance: 4 ohm 4 ohm

Infinite Baffle Use: Yes No

Enclosure Use: Yes (Sealed & Ported) Yes (Sealed & Ported)

Power Handling (continuous): 200W 200W

* Xmax specifications are derived via one-way voice coil overhang method with no

correction factors applied.

** Efficiency (1W/1m) is an accurate indicator of a subwoofer’s output capability not

and should not be used as a comparison to other subwoofers to determine which

one is “louder” !

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.

Produkt Specifikationer

Mærke:	JL Audio
Kategori:	Subwoofer
Model:	M8W5

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