Jl Audio M770-ETX-CG-WH Installation Manual

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JL Audio M770-ETX-CG-WH Installation manual - Page 1
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JL Audio M770-ETX-CG-WH Installation manual - Page 2
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INSTALLATION GUIDE
for the
M770-ETX-CG-WH
SKU#91790
Marine tower enclosure
Thank you for choosing a JL Marine tower enclosure for your marine sound system. With proper
installation, your new tower-specific enclosed speaker system will deliver years of listening pleasure.
We strongly recommend that you have your new marine enclosure installed by your authorized
JL Audio dealer. The installation professionals employed by your dealer have the necessary tools and
experience to disassemble and reassemble your craft properly. If you prefer to perform your own
installation, please read this installation guide completely before beginning the process.
If you choose to perform the installation yourself, it is absolutely vital that
the Marine Enclosure be properly mounted according to these instructions.
Failure to mount the enclosure properly presents two problems:
1) The performance and, reliability will suffer due to the movement of the
enclosure caused by vibration on the craft.
2) A loose enclosure presents a serious safety hazard especially in rough
conditions where loose hardware could cause the mount to fail.
STEP 1
Unpack speakers (be aware that the speakers are not
mounted in the enclosures). Peel back protective tape
from speaker (don’t totally remove tape from enclosure,
as this is used to prevent unwanted scratches during the
installation process). Remove speaker from enclosure (the
speaker will be mounted in step 7).
Continued on Next Page
STEP 2
Determine enclosure mounting location, when evaluating
locations, consider all directions that the user may want
to point the enclosure as they may want to change the
direction while in use (while skiing, the enclosure might be
pointed back where when swimming or, “tying up” with
other craft, sideways may be desired or out the front if
beaching) etc. Determine boat-side speaker cable routing
and rout wire.
STEP 3
Once mounting location is decided, mount clamp to tower
in position. Make sure that the correct clamp is being used
for the tower pipeing and tighten all four mount screws
using a 3/16” allen wrench. Mounting clamps allow the wire
to be run through or over tower pipe. If running the wire
through the tower pipe, determine that there is a clear run
to where the wire will exit the tubing, (many towers have
obstructions in the tubes). If running the wire through the
tubing, use the hole through the center of clamp as drill
guide. De-burr the drilled hole after drilling.
M770-EXT-CG-WH INSTR_SKU# 011265
INSTALLATION
DIFFICULTY:
35
OUT
OF
ESTIMATED TIME:
2-3 HOURS