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System  Design

The success of any car stereo system relies on several factors, such as 
the system design, execution of the installation, and system setup. Please 
remember that any system is only as good as its weakest link.
Please remember that higher power systems are not necessarily useful 
purely for high sound pressure levels, but also to establish a headroom 
capability, to reproduce musical peaks cleanly without distortion. 

 Lower power amplifiers will clip earlier than their more powerful cousins, 
and cause loudspeaker failure when overdriven, due to the harmonics 
generated by a clipped signal, thus overheating voice coils.

Amplifiers should be mounted with the fins running horizontally for best 
convection cooling, to minimize overheating. Purchase the best quality 
RCA cables you can afford, for reliability and less engine noise 
interference in the audio system. 

It is highly recommended that the amplifier be mounted to a board of MDF 
or other solid structure using the 4 mounting screws provided. Avoid 
mounting the amplifier to metal as this can introduce noise and other 
unwanted issues. When mounting the amplifier, ensure that it is mounted 
HORIZONTALLY, as shown in the diagram above, for optimal heat 
dissipation. Mounting amplifiers to speaker enclosures is not 
recommended as this can cause damage to the amplifier components. 
When choosing a location for mounting the amplifier, ensure that you 
check for clearance from wires, gas tank, electrical devices and brake 
lines etc.

Congratulations!
By purchasing an amplifier from MB Quart, you have decided on a product 
of the highest technical quality. MB Quart wishes you great enjoyment with 
your amplifier. Should you  have any questions about this system or other 
MB Quart products, please email us at [email protected] 

Installation Manual

WOOD

FORMULA

www.mbquart.com

FX2.60 / FX4.50 / FX4.70 / FX4.100 / FX1.400 / FX1.600

Summary of Contents for FORMULA FX1.400

Page 1: ...interference in the audio system It is highly recommended that the amplifier be mounted to a board of MDF or other solid structure using the 4 mounting screws provided Avoid mounting the amplifier to metal as this can introduce noise and other unwanted issues When mounting the amplifier ensure that it is mounted HORIZONTALLY as shown in the diagram above for optimal heat dissipation Mounting ampli...

Page 2: ...s FX1 400 FX1 600 D Class Mono Amplifiers TECHNICAL DATA INSTALLATION INSTRUCTIONS General Instructions Settings for Best Performance 1 WARRANTY 1 FOR EXTENDED WARRANTY INFORMATION PLEASE VISIT WWW MAXXWARRANTY COM Check out our videos of new products events and technical tutorials at www youtube com maxxsonicsusainc ...

Page 3: ...t spring washer and nut to securely fasten the ground lug Use petroleum jelly to coat the bolt lug connection to prevent oxidization with time TIP Use the same approach when installing head units equalizers or any audio equipment for that matter run short individual grounds from each piece directly to the vehicle chassis to minimize ground loops and system noise All power ground and speaker connec...

Page 4: ... off for your system reproduction The point that you set it at cuts off any frequencies from reproduction beyond this point The 12 o clock position is a great starting point EXAMPLE If you adjust the High Pass to 100Hz the amplifier will not play frequencies below 100Hz but will play frequencies from 100Hz to the highest frequency the amplifier is capable of reproducing When in Low Pass Bandpass o...

Page 5: ...hiclechassiswillcausethemainfusetoblow Systemdoesnotturnon 1 Checkallfuses 2 Checkallconnections 3 Measure the 12 volt and remote turn on voltages at the amplifier terminals If these are non existent or low take voltage measurements at fuse holders distribution blocks theheadunit s 12voltandremoteleadstolocalizetheproblem Noiseproblems Systemnoisecanbedividedintotwocategories hiss andelectricalint...

Page 6: ...the RIGHT and its negative terminal to LEFT as shown Here we show how to use the 2 channel amplifiers as a 1 channel unit by taking advantage of the mono bridging capability of all MB Quart amplifiers Switch setting checklist Interconnect cable checklist X OVER LP BP A MONO signal source is required to bridge channels 1 2 such as would be available from the mono sub bass output of an active crosso...

Page 7: ...terminal to Ch3 as advantage of the mono bridging capability of all MB Quart amplifiers In order to create shown a 2 channel system simply follow the example to also mono bridge channel pair 1 2 Interconnect cable checklist Switch setting checklist Connect the inputs of channel pair 1 2 to a suitable stereo source e g a head unit 1 2CH X OVER FULL with good quality RCA cables 3 4CH X OVER LP A MON...

Page 8: ...st 14 gauge speaker wiring The amps have dual speaker terminals simplifyingthehookupofmultiplespeakers Theseampsaremono 1channel amplifiers Minimumfinalloudspeakerimpedance 2 Ohm which have multiple positive and negative connections for ease of wiring The 2 positives Warning Themonoampsare4 2 Ohmstableonly arethesameinternallyandthe2negativesarethesameinternally Theyarenot1 Ohmstable POWER INPUT G...

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Page 10: ...es and activates the MX 2 As an option the module also offers a remote turn on wire Remote Output Driver circuit to turn on amplifier when module activates MX 3 Bass Controller Parametric Bass EQ Provides a wide array of subwoofer output signal shaping controls to enhance bass response and sound quality including Bass Boost adjustable Bandwidth wide and narrow Low Pass and Subsonic Filter Accepts ...

Page 11: ...FX2 60 FX4 50 FX4 70 FX4 100 FX1 400 FX1 600 PART S111 Check out our videos of new products events and technical tutorials at www youtube com maxxsonicsusainc ...

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