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Toro MR2, Owner'S Manual

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M i c r o Ra g e A m p l i f i e r s

MR2

MRX2
MRX4

S

UPER

 

MINI

 COMPACT FULL RANGE & CLASS D AMPLIFIERS

Owners Manual

Please read through this manual to familiarize yourself with your new amplifier. Should your TORO

AUDIO mobile amplifier ever require service, you will need to have the original dated receipt. 

Summary of Contents for MR2

Page 1: ...INI COMPACT FULL RANGE CLASS D AMPLIFIERS Owners Manual Please read through this manual to familiarize yourself with your new amplifier Should your TORO AUDIO mobile amplifier ever require service you will need to have the original dated receipt ...

Page 2: ...mono block amplifier designed specifically for low frequencies and are intended only to power subwoofers It is important that you closely follow the wiring instructions contained in this Owners Manual so that you get the most from your TORO AUDIO Micro Rage amplifier TE O C R H O T Caution High powered audio systems in a vehicle are capable of generating higher than Live concert levels of sound press...

Page 3: ...nge Class D Design MRX2 MRX4 High Efficiency Class D Design for Subwoofers MR2 Built In Auto Sensing Turn On Function Hi Inputs MOSFET Power Supplies for High Power Output and Best Stability into Low Impedance Loads Soft Delay Remote Turn On Off Circuit Eliminates Pops and Clicks Variable Low Pass Electronic Crossover Self Diagnostic Protection Circuit with LED Status Indicator for Impedance Over loa...

Page 4: ...dges from the wire insulation If possible use tubing through grommets NOTE Proceed only if you are a qualified installer otherwise see your Authorized TORO AUDIO Dealer or MECP Certified Installer to professionally install this amplifier Always wear protective eyewear when using tools Due to the high power output of the TORO AUDIO MICRO amplifiers considerable heat may be produced when the unit is in ...

Page 5: ...Dealer NOTE Do not use a drill with driver bit to mount the amplifier Excessive force could cause the plastic mounting feet to crack Upside down mounting will compromise heat dissipation through the heat sink and could engage the thermal protection circuit Try to avoid mounting the amplifier on a subwoofer enclosure as extended exposure to vibration may cause malfunction of the amplifier Don t mount ...

Page 6: ...PLIFIER PANEL LAYOUT DESIGNED ENGINEERED IN U S A LEVEL 1 0V 0 2 LPF 2 FIG3 4 CH AMPLIFIER PANEL LAYOUT MRX4 MRX4 LEVEL 1 0V 0 2 HPF 20 300Hz CLIP PWR PRT 2 4CH HPF LPF 1 0V 0 2 20 300Hz CLIP 1 2CH 3 4CH X4 3 SPEAKER 1 2 4 ...

Page 7: ... WHEN USE LOW LEVEL INPUT THE AMP REM IN SHOULD BE CONNECTED TO THE REMOTE OUT OF THE SOURCE UNIT THE HEAD UNIT CONTROLS THE AMP TURN ON OFF MRX2 MRX2 DESIGNED ENGINEERED IN U S A 10 300Hz LEVEL 1 0V 0 2 4 GND CONNECT THIS CABLE DIRECTLY TO THE FRAME OF THE VEHICLE MAKE SURE THE METAL FRAME HAS BEEN STRIPPED OF ALL PAINT DOWN TO THE BARE METAL USE THE SHORTEST DISTANCE POSSIBLE IT IS ALWAYS A GOOD...

Page 8: ... INDICATOR IS TO SHOW SIGNAL CLIPPING IF THE INPUT SIGNAL WAVE IS BEYOND THE RANGE BY LOWERING THE GAIN CLIPPING WILL BE REDUCED WHEN CLIPPING IS ELIMINATED THE LED INDICATOR WILL TURN OFF 13 CLIP 14 CROSSOVER MRX4 THIS CROSSOVER SWITCH SELECTS LPF LOW PASS FREQUENCIES THE HPF POSITION IS FOR FULL RANGE THE CROSSOVER FREQUENCY RANGE TO SELECT THE LOW PASS FREQUENCY LPF IS BASED ON YOUR SPEAKERS AN...

Page 9: ...far away from any potential sources of electrical interference such as electronic vehicle management systems relays engine computers wiring harnesses fuel pumps etc FIG5 Power Input Connection This amplifier is designed to work within a 9 to 16 volt DC range Before any wires are connected the vehicles electrical system should be checked for correct voltage supply with the help of a voltmeter First ...

Page 10: ... amplifier also see specifications chart You may now connect the cable to the battery but remember to leave the fuse out or circuit breaker off until all other cable connections are made When grounding your amplifier locate a metal area close to the amplifier that is good source of ground preferably the floor pan Once again investigate the area you wish to use for electrical wires vacuum lines and brake...

Page 11: ...g connected to that power wire This terminal must be connected to a switched 12V source Typically remote turn on leads are provided at the source unit that will turn on and off the amplifier in correspondence with the source If the source unit does not have a remote turn on lead then a switched 12V supply must be used like the ACC 12V Run a minimum of 18 gauge wire from the amplifier location to the ...

Page 12: ...poorly insulated wires This means that hiss engine noise and fan noise can easily be picked up through RCA cables if run incorrectly Make sure that the cables for power and audio signal are not on the same side of the vehicle and that they do no cross each other this will help reduce any noise that may radiate from the power cable and the signal cable If an audio cable is too close to a power cabl...

Page 13: ...ER LOAD DESIGNED ENGINEERED IN U S A LEVEL 1 0V 0 2 LPF 4 OHM 4 OHM Two DUAL 4 Ohm SUB EQUIVALENT PARALLEL WOOFER LOADS CANNOT BE LESS THAN THE MINIMUM STABLE LOAD RATED IN THIS MANUAL THE TWO NEGATIVE AND TWO POSITIVE SPEAKER TERMINALS ARE WIRED INTERNALLY INSIDE EACH AMPLIFIER ONLY ONE NEGATIVE AND ONE POSITIVE ARE NEEDED WHEN WIRING TO THE AMPLIFIER ...

Page 14: ...G9 1 CHANNEL MODE MRX2 AMPLIFIER WIRING FIG10 MRX2 AMPLIFIER WIRING 2 CHANNEL MODE MINIMUM IMPEDANCE FOR STEREO INSTALLATION IS 2 OHM MINIMUM IMPEDANCE FOR BRIDGED INSTALLATION IS 4 OHM DESIGNED ENGINEERED IN U S A 10 300Hz LEVEL 1 0V 0 2 2 OHM 4 OHM 2 OHM 4 OHM ...

Page 15: ...X4 3 SPEAKER 1 2 4 LEVEL 1 0V 0 2 HPF 20 300Hz CLIP PWR PRT 2 4CH HPF LPF 1 0V 0 2 20 300Hz CLIP 1 2CH 3 4CH FIG11 3 CHANNEL MODE MRX4 AMPLIFIER WIRING 2 OHM 4 OHM 2 OHM 4 OHM 4 OHM 8 OHM ...

Page 16: ...X4 3 SPEAKER 1 2 4 15 LEVEL 1 0V 0 2 HPF 20 300Hz CLIP PWR PRT 2 4CH HPF LPF 1 0V 0 2 20 300Hz CLIP 1 2CH 3 4CH FIG12 MRX4 AMPLIFIER WIRING 4 CHANNEL MODE 2 OHM 4 OHM 2 OHM 4 OHM 2 OHM 4 OHM 2 OHM 4 OHM ...

Page 17: ... the Status LED is activated and glows RED with no speakers connected to the amplifier and all the power connections are correct this would indicate an internal problem with the amplifier Contact TORO AUDIO USA or your local dealer ...

Page 18: ...0 THD RMS Power 0 05 0 05 0 05 Freqquency Response 10Hz 40kHz 10Hz 40kHz 10Hz 220Hz S N Ratio EIA Rated 100dB 100dB 100dB Input Sensitivity 200mV 10V 200mV 10V 200mV 10V Crossover Slope 12dB LPF HPF 20Hz 300Hz 200 3kHz 20Hz 300Hz 50Hz 250Hz Bass EQ ON OFF N A N A OFF 12DB Fuses ATC Style Optional 30A 40A 40A Current Drawn Max Power 40A 50A 50A Dimension 1 69 H x 3 07 W Dimension 43mm H x 78mm W Po...

Page 19: ...onnection with the sale of this product Residents of HI AK and US territories will be charged for return shipping All inquiries regarding service and warranty should be sent to the above address or via email at support toroaudio com TORO AUDIO Amplifiers are to be free of defects in material and workmanship for a period of 90 days from the date of purchase if purchased over the counter from an auth...

Page 20: ...MANUFACTURED BY TORO TECH LLC DESIGNED IN U S A WWW TOROAUDIO COM ...

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