MB QUART NLP254S Manual
NLP254S
SHALLOWNAUTICSUBWOOFER
NLP254S
- Injection Molded Cone Neck Support
- 3/4” NBR Rubber Surround
- 3” Voice Coil On Glass Fiber Former
- Meets Or ExceedASTM Requirements
-ABYC Compliant
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-ReinforcedABS
Composite Speaker BasketAnd Grill
- Gold Plated Push Terminals
- Stainless Steel Mounting Hardware
- Injection-Molded Magnet System
- Polypropylene Flat Piston Cone
NLP254S
1
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
NLP254S
2
Diagram 2 shows the mounting of the grill.
M4 X 30 M4 X 30
NLP254S
3
SVC=4-Ohms
ParallelTwoSubs=2-Ohms
ParallelFourSubs=1-Ohm
3
22
SVC
20.5 cm / 10” 20.5 cm / 10”
20.5 cm / 10”
20.5 cm / 10”
20.5 cm / 10”
20.5 cm / 10”
3
3
SVC
SVC
3
SVC
3
SVC
3
SVC
2
2
2
2
4
NLP254S
229.8mm / 9.05”
272.3mm / 10.72”
46.1mm / 1.82”
71.9mm / 2.83”
THE NLP254S IS DESIGNED OPTIMALLY FOR FREE-AIR APPLICATIONS,
BUT WILL WORK WELL IN THE DESIGNS BELOW (SEALED)
Optimal Sound Quality
(Flat Response)
10.25” Deep
12” Wide
12” Tall
Total Internal Volume:
.648 Cubic Feet
Qtc: 1.208
F3: 34Hz
SMALL BOX
(Tight Bass)
7.5” Deep
12” Wide
12” Tall
Total Internal Volume:
.445 Cubic Feet
Qtc: 1.349
F3: 37Hz
* Boxes have been designed using 1/2” MDF.
Dimensions can be changed as long as recommended
internal volumes remain the same.
Subwoofer Displacement is .057 Cubic Feet
T/S PARAMETERS
Fs: 31.46 Hz
Qms: 4.48
Vas: 20.64 liters
Cms: 133.45 um/N
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
5
NLP254S
6
NLP254S
Check out our videos of new products,
events and technical tutorials at
www.youtube.com/maxxsonicsusainc
Consider these great MB Quart marine grade
amplifiers to power your new NLP254S. For
specifications, please check out
www.mbquart.com
NAU260
NAU460
NAU660
MAXXSONICS USA, INC
1290 Ensell Road
Lake Zurich, Illinois 60047 USA
E-Mail: [email protected]
Website: www.maxxsonics.com
www.mbquart.com
NLP254S
MaxxsonicsLimitedWarranty
AsthemanufacturerofMaxxsonics,Autotek,Crunch,MBQuartandHifonicscaraudio
products,MaxxsonicsUSAInc.Warrantstotheoriginalconsumerpurchaserthe
amplifiertobefreefromdefectsinmaterialandworkmanshipforone(1)Yearfrom
dateofpurchase.
Allotherpartsandaccessoriesofthesystemarewarrantiedtobefreefromdefectsin
materialandworkmanshipforone(1)yearfromdateofpurchase.Maxxsonicswill
repairorreplaceatit’soptionandfreeofchargeduringthewarrantyperiod,anysystem
componentthatprovesdefectiveinmaterialsandworkmanshipundernormalinstallation,
useandserviceprovidedthattheproductisreturnedtotheauthorizedMaxxsonicsdealer
fromwhereitwaspurchased.Aphotocopyoftheoriginalreceiptmustaccompanythe
productbeingreturned.
Validpurchasereceiptswillcontainthenameandaddressoftheauthorizedreseller.
Anydamagetotheproductasaresultofmisuse,abuse,accident,incorrectwiring,
improperinstallation,alterationofdatecodeorbarcodelabels,revolution,natural
disaster,oranysneakystuffbecausesomeonemessedup,repairoralterationoutside
ofourfactoryorauthorizedservicecentersandanythingelseyouhavedonethatyou
shouldnothavedoneisnotcovered.
Thiswarrantyislimitedtodefectivepartsandspecificallyexcludesanyincidental
orconsequentialdamagesconnectedtherewith.Thiswarrantyisnottobeconstrued
asaninsurancepolicy.
Warrantyoninstallationlabor,removal,re-installationandfreightchargesarenotthe
responsibilityofMaxxsonicsUSAInc.
Warrantyproductsdamagedasaresultofinsufficientorimproperpackingmaterials
arenotcoveredbythislimitedwarrantyandsuchdamagedproductwillbereturned
“asis”attheexpenseoftheowner.
www.youtube.com/maxxsonicsusainc
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