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Recommendations for all Class D amplifiers

Class D amplifiers, by the nature of there design, can emit a certain amount of Radio Frequency (RF) noise. While we 

have optimized the design to reduce this to a minimum, there are still steps you can take to eliminate unwanted FM radio 

interference. The tips below apply to all class D amplifiers.

• 

Always mount the amplifier as far from the radio antenna as the installation will allow.

• 

Keep the amplifier away from the radio or any other electronics that may prove to be sensitive to RF noise.

•  Make the ground wire as short as possible.

•  Use twisted pair wires as much as possible. If possible, all the speaker wire and input cables should be twisted. If you 

do not have twisted pair wire you may be able to twist it yourself.

• 

If you encounter a problem with FM interference you can try turning the amplifier 90 degrees or changing its location 

completely. RF noise can be very directional.

Warning!

Take extra care when using CCA (Copper Clad Aluminum) or pure aluminum wire. Ensure all connections are clean and 

tight. Due to the highly reactive nature of aluminum, electrical connections can fail without the typical “Green” or tarnished 

look you would expect with copper. Aluminum also has a greater rate of expansion due to heat and care must be taken to 

ensure that connections are not over tightened. This can result in the failure of the power or ground connector and cause 

damage to your amplifier.

Where possible, always use all-copper conductors for power, ground and speaker wire connections to reduce the potential 

for connection problems.

Diagnostic Fault Codes

All ARC Audio X2-Series amplifiers feature microprocessor controlled error reporting to help your installer diagnose 

potential issues. The following chart explains what each of the error codes mean.

Speaker Level Input Pigtails

 

All ARC Audio X2-Series amplifiers include a set of high-level speaker input RCA pigtails. These pigtails include a resistive 

voltage divider network to reduce the signal from a high-power source unit or factory amplifier so that it can be used with 

the differential Inputs on your X2-Series Amp. The following outlines the polarity of the connections for the input pigtails. 

 

Thermal Error (Heatsink)

The Amplifier has Over Heated. Turn the volume down and let it cool off

.

Thermal Error (Transformer)

The Power Supply Transformer has Over Heated. Turn the volume down and let it cool off.

Code 11

  Under Voltage 

The Battery Voltage is too low. Check your battery, alternator and wiring.

Code 12 

  Short (Low Power Channel) 

Shorted speaker or wire on Channels 1-4. Turn the system off unill you can get this fault corrected. Also includes internal shorts.

Code 13

   Repeated Shorts

You didn’t turn the system off, did you? See Code 12

Code 14

   Over Voltage

Your Alternator is producing too much voltage. Have your vehicle’s electrical system tested right away.

Code 15

   DC Output Protection

DC Current was detected on the speaker outputs. To avoid damaging the speakers, this amplifier has shut down. This will probably require factory service. 

Code 16

   Short (High Power Channel)

Shorted speaker or wire on subwoofer channels (5 or 5-6) also includes internal shorts.

Normal Turn on

Blue is good. This is the normal start-up self test and turn-on delay.

Power/Processor Reset

You will see this the first time the amplifier is powered up or after the microprocessor resets. This code will vary from model to model. 

Long

Long

Long

Short

Short

Long

Long

Short

Short

Short

Short

Short

Short

Short

Short

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Flash

Short

From Head Unit Right Speaker Output  

From Head Unit Left Speaker Output  

Содержание X2 1100.1

Страница 1: ...Gain Sensitivity Controls 4 Crossover Controls 4 Crossover Function Controls 4 Subsonic Control 4 Phase Control 5 Bass Boost and Frequency Control 5 Input Source Select Switch 5 Slave Connections 5 Remote Level Control 5 Load Impedance 6 Speaker Output Connections 6 Power Ground and Turn On Connections 6 Fuses 7 Auto Sense Turn On Detection 7 Accessing Controls and Mounting Provisions 7 Installati...

Страница 2: ...er in an area that receives sufficient airflow for proper cooling Supplying Enough Power The Laws of Physics Your amplifier Does NOT make power It converts power from your vehicles electrical system and turns it into high power musical energy If the amp can t get the power it needs form your alternator and battery it will not be able to produce its full output Your ARC Audio amplifier will produce...

Страница 3: ...the error codes mean Speaker Level Input Pigtails All ARC Audio X2 Series amplifiers include a set of high level speaker input RCA pigtails These pigtails include a resistive voltage divider network to reduce the signal from a high power source unit or factory amplifier so that it can be used with the differential Inputs on your X2 Series Amp The following outlines the polarity of the connections ...

Страница 4: ...t all the gains at half way you would probably find the system didn t sound very good Use good judgment and optimize each channel carefully as you configure the system You want to set the gains to maximize the output of the amplifier while producing minimal distortion for your given source unit and music selection Crossover Control A crossover is a circuit that limits what frequencies are produced...

Страница 5: ...p Slave Connections As outlined above under the INPUT SOURCE description All three X2 Series Monoblock amplifiers include an audio signal input and output connection that can be used to daisy chain multiple identical X2 Series Monoblock amplifiers together On the main amplifier the RCA Interconnection wires should be connected to the RCA INPUT and the SLAVE OUT Jacks If only one Slave amp will be ...

Страница 6: ...nd insert them into the block terminal while being careful that there is no loose or frayed strands of wire touching adjacent wires or connections Tighten the set screw on the terminal until the wire is held in place securely The amplifier will go into protection if the wires ever come in contact Power Ground and Turn On Connections The X2 650 1 and X2 1100 1 amplifiers feature a terminal block th...

Страница 7: ... Signal Detect circuit no longer sees an appropriate signal When using either Auto Detect mode only the Channel 1 input is monitored The Turn On input on the power terminal block is NOT used when Auto Detect is turned on Accessing Controls and Mounting Provisions All X2 Series Monoblock amplifiers feature a removable shroud that conceals the amplifier controls The X2 650 1 features X2 Level 1 cosm...

Страница 8: ...should be within a few inches of the positive battery terminal Find the closest clear metal area to the amp for a the ground connection Sand grind or scrape all paint and undercoating from the body and use a nut bolt and lock washer to secure the wire in place If your vehicle uses Quiet Steel composite body panels or may have been assembled using adhesives rather than spot welds add a parallel gro...

Страница 9: ... INPUT REMOTE LEVEL SUB 1Ω MIN X2 1100 1 CROSSOVER FREQ Hz OFF DC DETECT SIGNAL DETECT Master amp must be Set to NORMAL All Controls and adjustments fully functional If desired Remote Level Control must be used with Master Amplifer CROSSOVER FREQ Hz OFF DC DETECT SIGNAL DETECT Slave amp s must be set to SLAVE PHASE setting must match MASTER amp CROSSOVER FREQ Hz OFF DC DETECT SIGNAL DETECT Slave a...

Страница 10: ...products are designed tested and tuned for proper functionality and there are no user serviceable parts inside Please Keep Out All warranty returns should be sent to ARC AUDIO freight prepaid and must be accompanied by proof of purchase a copy of the original sales receipt Direct returns from consumers or non authorized retailers will be refused unless specifically authorized by ARC AUDIO with a v...

Страница 11: ...s at 14 4V 1100 Watts x 1 Frequency Response Subwoofer Channel 20 Hz to 230 Hz Crossover Range Low Pass 30 Hz to 230 Hz Crossover Range Subsonic 10 Hz to 80 Hz Bass Boost Sub Channel 0 to 12 dB at 30 to 125 Hz Remote Level Control Included Yes Input Sensitivity RCA Input 200 mV to 3 5V Fusing 3 x 30 Amp ATC ATO Dimensions 13 0 L x 6 268 W x 2 086 H Start Stop Vehicle Compatible Yes 8 Volts X2 2500...

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