Directed Electronics MA4100 owner manual S o u n d i n O n e C h a n n e l, Opposite Channel

Page 14

N o S o u n d i n O n e C h a n n e l

Check the pre-amp (RCA/Mini-Din) cables for open connections and make corrections. Did you find open connections?

NO

YES

Reverse the left and right inputs.

You’re done

 

 

 

 

 

 

SOUND IS NOW IN...

 

 

 

 

Opposite Channel

Same Channel

Problem is further up the signal path. Reconnect RCA’s to amp as normal. Reverse RCA inputs at crossover.

Problem is in the speaker or speaker wire of the silent channel. Check speaker leads for pinched, shorted, or open connections.

SOUND IS NOW IN...

Opposite Channel

Same Channel

Reverse RCA outouts of head unit

Problem is in the crossover. Contact

 

 

 

your dealer.

 

 

 

 

 

 

SOUND IS NOW IN...

 

 

 

 

 

 

 

 

 

Opposite Channel

Same Channel

Problem is in the head unit

Problem is in the RCA cables.

A m p l i f i e r Tu r n i n g D o w n a t H i g h Vo l u m e

Check speaker cables for shorts. Check for excessively low speaker impedance. Fixed?

NO

Check voltage supply to ensure sufficient voltage is being delivered. Is amp getting enough air to cool off? Did that solve the problem?

NO

 

 

YES

 

If

 

using passive crossovers, are the

 

 

 

 

You’re

done

 

connections correct?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YES

You’re done

NO

Voltage at amp may be dropping below minimum limits.

YES

Power output of amp may exceed power handling of parts. Upgrade as needed.

12

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Contents Contents Ervice AutionN t i n u o u s O u t p u t P o w e r Specification sA t u r e s M e n s i o n sS e R e q u i r e m e n t s 400W x 2 = 800W/12.5V = 64 Amps Total Current DrawU n t i n g W e r W i r e C a l c u l a t o rR n i n g 105 125Reconnect the terminal only after you make all connections O u n d i n gM o t e T u r n o n E a k e r C o n n e c t i o n s I d g i n g X e d M o n o O u t p u tA n d a r d C o a x i a l R C a C a b l e s P u t J a c k sL a n c e d I n p u t s L a n c e d Mini-DIN CableP u t G a i n C o n t r o l s T t i n g I n p u t G a i nPower / Ground W e r S i d eP u t / C o n t r o l S i d e 12dBS o u n d Opposite Channel S o u n d i n O n e C h a n n e lP l i f i e r Tu r n i n g D o w n a t H i g h Vo l u m e C k s / b u z z I s e s W h i l e t h e E n g i n e i s O nT e r n a t o r w h i n e C e s s o r y p o pS t o r t i o n I s e s W h i l e t h e E n g i n e i s O n o r O f fS t e m h i s s Rear Channels Front GainFront Three-Year Limited U.S.A. Warranty Tube DRIVER, Inc Service Department Th Street Phoenix, AZ

MA4100 specifications

The Directed Electronics MA4100 is a cutting-edge car audio amplifier that brings dynamic power and superior sound quality to any vehicle's audio system. Engineered with precision, the MA4100 is designed to deliver enhanced audio performance while ensuring reliability and longevity.

One of the standout features of the MA4100 is its high power output. With a maximum power rating of 1000 watts, this amplifier provides impressive amplification for both high- and low-impedance speakers. Its four-channel configuration allows for versatile installation options, making it suitable for driving multiple speakers or subwoofers. The amplifier is capable of a bridged mode, allowing users to combine channels and boost output even further for a robust listening experience.

Equipped with advanced Class D technology, the MA4100 is both efficient and compact. This design minimizes heat production and ensures that the amplifier runs cool even under heavy load. Compared to traditional amplifiers, Class D amplifiers consume less power, making the MA4100 an energy-efficient choice for car audio enthusiasts. This efficiency also translates into smaller size, providing flexibility in installation without compromising on power delivery.

The Directed Electronics MA4100 features a built-in crossover and adjustable gain settings, allowing users to tailor the sound output to their preferences and vehicle acoustics. The variable high-pass and low-pass filters enable users to control which frequencies are amplified, optimizing the audio experience.

Furthermore, the MA4100 is designed with durability in mind. With a robust build quality, including a heat-sink design that facilitates efficient cooling, it is built to withstand the rigors of automotive environments. The amplifier is also equipped with protection circuitry to safeguard against overheating, short circuits, and overloading, ensuring long-term performance and reliability.

In terms of installation, the MA4100 includes high-level inputs that make it compatible with factory audio systems, allowing for easy integration without requiring extensive modifications. With its combination of power, efficiency, and sound quality, the Directed Electronics MA4100 is an excellent choice for audiophiles looking to upgrade their car's audio system. Whether for daily commuting or road trips, the MA4100 elevates the in-car listening experience to new heights.
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