MB QUART NAUTIC NPW-254 Quick Start Installation Manual
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If you are replacing an older or inferior woofer, the
location is chosen for you. Make sure the woofer
fits properly in the hole for the old woofer.
If you are creating your own new location, you
must be careful to verify that there is sufficient
depth to mount the woofer.
Choose a suitable
mounting location
Choose the proper
wiring configuration
Woofer Mounting Location
Woofer Dimensions
CAUTION
Always consider consulting a professional audio installer
before installing new speakers. Many manufacturers locate
speakers behind interior panels that require special tools to
remove. Be careful and take your time.
If you are using the speaker wire supplied with your new
speakers make sure that you run the speaker wires only
through safe areas. Do not let speaker wire make contact with
metal edges or hot engine components.
Congratulations on your choice of a MBQuart Subwoofer.
This “Quick Start” Installation guide is meant to help
you complete a basic installation. For more detailed
information on system setting, speaker and subwoofer
configuration, and full specifications by model, visit our
website at mbquart.com
It’s a good idea to confirm that you have purchased the
correct size speakers to fit your application. If you have any
reservations about being able to complete the installation
yourself, we recommend contacting a professional.
A
B
C
D
E
NPW-254
10.79”(274)
2.91”(74)
1.97”(50)
6.65”(169)
9.09”(231)
Before you start
Carefully select a route for the audio signal
wires. If using existing speaker wires, confirm
that the wire is in good shape and not
shorted.
Route signal wires
Wiring
Wiring
A
B
D
E
C
Audio Signal
Positive
Audio Signal
Negative
4 Ω
2 Ω
8 Ω
MB Quart products are designed and engineered in the USA by
www.maxxsonics.com
Quick Start
Installation Guide
WARRANTY
Maxxsonics USA Inc. warrants this product, to the original consumer purchaser, to be free from
defects in material and workmanship for a period of one (1) year from the date of purchase.
Maxxsonics USA Inc. will, at it’s discretion, repair or replace defective products during the warranty
period. Components that prove to be defective in materials and workmanship under proper installation
and use must be returned to the original authorized Maxxsonics USA Inc. retailer from where it was
purchased. A photocopy of the original receipt must accompany the product being returned. The
costs associated with removal, re-installation and freight are not the responsibility of Maxxsonics
USA Inc. This warranty is limited to defective parts and specifically excludes any incidental or
consequential damages connected therewith. To view the full warranty, please visit the website.
NPW-254
NAUTIC
MBQ NPW wfr QSG 01 - rev1
Once you are sure the speaker fits and has
adequate clearance, connect the positive and
negative wires to the proper terminals.
Confirm fit and
mount speaker
Woofer installation
T/S Parameters
Fs: 31.46 Hz
Mms: 192.16g
Vd: 0.285 L
BL: 11.04 Tm
Qms: 4.48
Xmax: 8.65mm
Qes: 1.07
QTS: 0.86
Vas: 20.64L
Dia: 205mm
Re: 3.34 Ohms
no: 0.058%
Cms: 133.45
um/N
Sd: 0.033 sq.m
NomZ: 4.116
Ohms
1W/1M: 82 dB
The NPW subwoofer comes with three different grill
colors to match your application. Select the color of
your choice and secure it using the 4 screws provided.