NLP254S
SHALLOW NAUTIC SUBWOOFER
Thank you for choosing the MB Quart NLP254S subwoofer for your marine audio sound
system. With proper installation, you are on the path to experiencing your music in a
way you only imagined possible. Here at MB Quart, we call this “Sound In Every Detail.”
The NLP254S has been designed for those marine applications where space can be an
issue. With only 2.83 inches of mounting depth, the NLP254S can fit in any bench seat,
gunnel or shallow compartment without giving up much space at all. Designed to perform
optimally in free-air applications, the NLP254S will also perform in as small as .45 cubic
feet sealed if you so desire. This Nautic subwoofer has been designed with the following
features to weather the harshest elements:
- UV Resistant Fiber-Reinforced ABS
Composite Speaker Basket And Grill
- Gold Plated Push Terminals
- Stainless Steel Mounting Hardware
- Injection-Molded Magnet System
- Polypropylene Flat Piston Cone
- Injection Molded Cone Neck Support
- 3/4” NBR Rubber Surround
- 3” Voice Coil On Glass Fiber Former
- Meets Or Exceed ASTM Requirements
- ABYC Compliant
NLP254S
NLP254S
It is very important these steps or your grill will not mount properly.
Diagram 1 shows a screw pattern for mounting your subwoofer.
M4 X 35
M4 X 35
1
NLP254S
Diagram 2 shows the mounting of the grill.
M4 X 30 M4 X 30
2
NLP254S
SVC = 4-Ohms
Parallel Two Subs = 2-Ohms
Parallel Four Subs = 1-Ohm
3
NLP254S
272.3mm / 10.72”
46.1mm / 1.82”
71.9mm / 2.83”
3
SVC
2
20.5 cm / 10”
3
SVC
2
20.5 cm / 10”
229.8mm / 9.05”
3
SVC
2
20.5 cm / 10”
3
SVC
2
20.5 cm / 10”
3
SVC
2
20.5 cm / 10”
3
SVC
2
20.5 cm / 10”
4
NLP254S
T/S PARAMETERS
Fs: 31.46 Hz
Qms: 4.48
Vas: 20.64 liters
Cms: 133.45 um/N
THE NLP254S IS DESIGNED OPTIMALLY FOR FREE-AIR APPLICATIONS,
BUT WILL WORK WELL IN THE DESIGNS BELOW (SEALED)
Mms: 192.16 g
Xmax: 8.65 mm
Dia: 205 mm
Sd: 0.033 sq.m
Vd: 0.285 liters
Qes: 1.07
Re: 3.43 ohms
NomZ: 4.116 ohms
BL: 11.04 Tm
QTS: 0.86
no: 0.058 %
1W/1M: 82 dB
SMALL BOX
(Tight Bass)
Total Internal Volume:
12” Tall
.445 Cubic Feet
Qtc: 1.349
F3: 37Hz
Optimal Sound Quality
(Flat Response)
Total Internal Volume:
.648 Cubic Feet
Qtc: 1.208
F3: 34Hz
7.5” Deep
12” Wide
12” Tall
10.25” Deep
12” Wide
* Boxes have been designed using 1/2” MDF.
Dimensions can be changed as long as recommended
internal volumes remain the same.
5
Subwoofer Displacement is .057 Cubic Feet
NLP254S
Consider these great MB Quart marine grade
amplifiers to power your new NLP254S. For
NAU260
specifications, please check out
www.mbquart.com
NAU460
NAU660
Check out our videos of new products,
events and technical tutorials at
www.youtube.com/maxxsonicsusainc
6
MAXXSONICS USA, INC
1290 Ensell Road
Lake Zurich, Illinois 60047 USA
E-Mail: info@maxxsonics.com
Website: www.maxxsonics.com
www.mbquart.com
www.youtube.com/maxxsonicsusainc
Maxxsonics Limited Warranty
As the manufacturer of Maxxsonics, Autotek, Crunch, MB Quart and Hifonics car audio
products, Maxxsonics USA Inc. Warrants to the original consumer purchaser the
amplifier to be free from defects in material and workmanship for one (1) Year from
date of purchase.
All other parts and accessories of the system are warrantied to be free from defects in
material and workmanship for one (1) year from date of purchase. Maxxsonics will
repair or replace at it’s option and free of charge during the warranty period, any system
component that proves defective in materials and workmanship under normal installation,
use and service provided that the product is returned to the authorized Maxxsonics dealer
from where it was purchased. A photo copy of the original receipt must accompany the
product being returned.
Valid purchase receipts will contain the name and address of the authorized reseller.
Any damage to the product as a result of misuse, abuse, accident, incorrect wiring,
improper installation, alteration of date code or bar code labels, revolution, natural
disaster, or any sneaky stuff because someone messed up, repair or alteration out side
of our factory or authorized service centers and any thing else you have done that you
should not have done is not covered.
This warranty is limited to defective parts and specifically excludes any incidental
or consequential damages connected therewith. This warranty is not to be construed
as an insurance policy.
Warranty on installation labor, removal, re-installation and freight charges are not the
responsibility of Maxxsonics USA Inc.
Warranty products damaged as a result of insufficient or improper packing materials
are not covered by this limited warranty and such damaged product will be returned
“as is” at the expense of the owner.
NLP254S
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