Boss Audio Systems R2400D audio amplifier
Contents
1. R2400D gt C 2 C C E POE FUSES BATT REMOTE GROUND iu 3 SS fore SLAVE MASTER p E SPEAKER DATA LINK CONNECTION n CLASS D MONOBLOCK POWER AMPLIFIER Chassis ground point to REMOTE TURN ON terminal of head unit CI Battery R3400D C 2 C C 2 C C Hh 23 e BRIDGED FUSES BATT REMOTE GROUND MODE Boss Hl j e SLAVE MASTER m E SPEAKER DATA LINK CONNECTION CLASS D MONOBLOCK POWER AMPLIFIER R2400D gt R3400D Amplifier User s Manual page 8 Lr Battery Chassis ground point to REMOTE TURN ON terminal of head unit2. R2400D a 2 C 2 C C 2 C 2 o AORE FUSES BATT REMOTE GROUND a 7 p 3 BUSS o SLAVE MASTER A 3 DATA LINK CONNECTION LINK CONNECTION z T f Le Distribution Block Chassis ground point to REMOTE TURN ON terminal of head unit Stiffening Capacitor Chassis ground R3400D point m 2 C 2 C 2 C 2 C 2 3 a FUSES BATT REMOTE GROUND 3 i _ SLAVE MASTER B x SPEAKER CE J Distribution Chassis ground point Battery FUSE to REMOTE TURN ON terminal of head unit Stiffening Capacitor Chassis ground point R2400D R3400D Amplifier User s Manual page 9
3. 3 C o AORE gu FUSES BATT REIMOTE GROUND a J soss Ses c 955 D SLAVE MASTER a Cr ET T A PEA CE E POWER CONNECTIONS EX e RIOT X4 f SUBWOOFER SPEAKER Speaker IMPEDANCE 1 8 OHMS R3400D N Z N U Y N C 2 C o FUSES BATT REMOTE GROUND a E eae Se C SS SLAVE MASTER a w 1 e z PEA E R OT POWER CONNECTIONS CLASS MONOBLOCK POWER AMPLIFIER j SUBWOOFER SPEAKER Speaker IMPEDANCE 1 8 OHMS R2400D gt R3400D Amplifier User s Manual page 7 Power Connections
4. SEE PREVIOUS PAGE FOR INPUT CONNECTIONS BRIDGED BRIDGED MODE M ASTER SWITCH IN MASTER Ol AMPLIFIER Rear panel SLAVE MASTER C C 2 C C 2 C C 2 C 2 3 BATT REMOTE GROUND a E e D BOSS o e OE E P cele e CC NNECTIOI S e 1 SUBWOOFER Speaker Chassis ground point SPEAKER IMPEDANCE 2 8 OHMS A Boss eO EE z 2 2 POWER CC NNECTION S e SLAVE AMPLIFIER Rear Panel Distribution Block r3 DB Battery FUSE E Stiffening Capacitor BRIDGED MODE SLAVE MASTER BRIDGED MODE SWITCH IN SLAVE POSITION Chassis ground point R2400D Chassis ground point to REMOTE TURN ON terminal of head unit R3400D Amplifier User s Manual page 11 Bridging Two R2400D or R3400D Amplifiers INPUT CONNECTIONS MASTER AMPLIFIER Front panel SUBSONIC LEFT LOW PASS BASS PHASE SENSITIVITY LEVEL FILTER i FILTER BOOST SELECTOR Power PROTECTION SUSS ax a 100mv 2V 2 9 50Hz 150Hz 4 p y o ssa 180 0 iNPUT CONTROLS SUBWOOFE UT Ours LEVEL RIO T ad CONTROL LL RIGHT CLASS D MONOBLOCK POW
5. PROTECTION RIOT LASS D MONOBLOCK POWER AMPLIFIER 1 G ann w v To Audio Inputs of satellite amplifier if present o ME NA T unm CEN us uL m o PROTECTION Lr D e e E oo 2 e uu sire DUrs SUBWOOFER UVU Low L L L LDLDL To Audio Outputs of head unit or Subwoofer outputs of a signal processor R2400D gt R3400D Amplifier User s Manual page 6 Bridging Two R2400D or R3400D Amplifiers When bridging two R2400D or R3400D amplifiers the minimum speaker impedance is 2 ohms POWER AND SPEAKER CONNECTIONS
6. User s Manual CLASS D MONOBLOCK POWER AMPLIFIERS R2400D R3400D CLASS D MONOBLOCK POWER AMPLIFIERS 2 3955 xX CE WO Glee AUDIO SYSTEMS 800 999 1236 Notes 305 AUDIO SYSTEMS 3033 AUDIO SYSTEMS CLASS D MonoBlock R2 400 D Car Audio Amplifiers R3400D Congratulations on your purchase of a 3055 Class D Amplifier It has been designed engineered and manufactured to bring you the highest level of performance and quality and will afford you years of listening pleasure Thank you for making BUSS AUDIO SYSTEMS your choice for car audio entertainment page N 10 12 13 USER S MANUAL CONTENTS Introduction Features What is included General precautions Installation precautions Mounting the amplifier Connecting the amplifier Important system considerations Tips for a safe system Low level input wiring Speaker wiring Power connections Normal and with Stiffening Capacitor Bridging two R2400D or R3400D Amplifiers Troubleshooting Specifications R2400D R3400D Amplifier User s Manual page 1 Introduction With the 3933 Class amplifier series we are introducing two new CLASS D amplifiers both designed in the USA These models feature variable low pass and subsonic filters and a variable input gain control The R2400D and R3400D also incorporate a phase selector switch to help compensate for time delays in subwoofe
7. SYSTEMS What is included When first unpacking your new amplifier please check first that the package contains all of the items below If something is missing contact the store where you purchased the amplifier e Class D amplifier e Remote subwoofer level control e Remote subwoofer control cable e DataLink cable for strapping two identical Class D amps together Four 4 mounting screws General precautions Before installing and using your new 305 amplifier please become fa miliar with all the information con tained in this manual Please keep this manual in a safe place for future reference e Do not open or attempt to repair this unit yourself Dangerous high voltages are present which may result in electric shock Refer any repairs to a qualified service technician e To avoid risk of electric shock or damage to the amplifier do not permit any of this equipment to become damp or wet from water or drinks If this does occur immediately unplug the power wires and send the amplifier to your local dealer or service center as soon as possible e f there is smoke or any peculiar odor present during use or if there is damage to any of the component enclosures immediately unplug the power cord and send the amplifier to your local dealer or service center as soon as possible Installation precautions Before you drill or cut any holes investigate your car s layout very carefully Take special
8. all fuses are OK Check that amplifier is properly grounded Check that the Remote Input Turn On has at least 3VDC Check that the RCA audio cables are plugged into the proper inputs Check all speaker wiring Reset the Level Control Check the Crossover Control settings Check the RCA interconnect cables Check all speaker wiring Disconnect all RCA inputs to the amplifiers If the hiss disappears then plug in the component driving the amplifier and unplug its inputs If the hiss disappears at this point go on until the faulty noisy component is found It is best to set the amplifier s input level control as low as possible The best subjective signal to noise ratio is achieved in this manner Try to set the head unit as high as possible without distortion and the amp input level as low as possible Check for improperly grounded RCA interconnects Check that the Input Level Control is set to match the signal level of the head unit Always try to set the Input Level as low as possible Check that all crossover frequencies are properly set Check for short circuits on the speaker leads Check that the minimum speaker impedance for the amp model is correct Check that there is good air circulation around the amp In some applications it may be necessary to add external cooling fan This is usually caused by poor quality RCA cables which can pick up radiated noise Use only the best quality cables and route them away from po
9. ER AMPLIFIER y DE To Audio Outputs of head unit or Subwoofer outputs of a signal processor SLAVE AMPLIFIER Front Panel Remote Subwoofer Level Control 7 f C C C C C C e SUBSONIC EFT Low PAS BASS PHASE SENSITIVITY LEVEL EON FILTER OST SELECTOR Power 3088 protection 1 e e e E 100mV 2V 2 8V MIN MAX 15H 50Hz 18488 180 0 INPUT CONTROLS Low LINE ad RIOT CONTROL Y CLASS D MONOBLOCK POWER AMPLIFIER ie I Y PLEASE NOTE In this MASTER AMP SLAVE AMP configuration the Slave amp receives its audio signal from the Master Amp Therefore DO NOT USE THE INPUTS ON THE SLAVE AMP R2400D gt R3400D Amplifier User s Manual page 10 PLEASE NOTE In this MASTER AMP SLAVE AMP configuration the Slave amp receives its audio signal from the Master Amp Therefore DO NOT USE THE SUBWOOFER LEVEL CONTROL ON THE SLAVE AMP Speaker Connections R2400D Pa LY Y L N U
10. care when you work near the gas tank fuel lines hydraulic lines and electrical wiring Never operate the amplifier when it is unmounted Attach all audio system components securely to prevent damage especially in an accident Before making or breaking power connections in your system disconnect the vehicle battery Confirm that your head unit or other equipment is turned off while connecting the input jacks and speaker terminals If you need to replace the power fuse replace it only with a fuse identical to that supplied with the amplifier Using a fuse of a different type or rating may result in damage to your audio system or your amplifier which is not covered by the manufacturer s warranty Mounting the amplifier 1 Find a suitable location in the vehicle in which to mount the amplifier 2 Make sure there is sufficient air circulation around the intended mounting location R2400D R3400D Amplifier User s Manual page 3 3 Mark the location for the mounting hole screws by positioning the amplifier where you wish to install it Use a scribe or mounting screw inserted through each of the amp s mounting holes to mark the mounting surface If the mounting surface is carpeted measure the hole centers and mark with a felt tip pen 4 Drill pilot holes in the mounting surface for the mounting screws Place the amplifier in position and attach the amplifier to the mounting surface securely using screws Conn
11. ecting the amplifier Before doing any wiring look through this manual and identify the diagrams to follow for power input and speaker connections for your particular installation Be sure you understand all the connections before you proceed 1 Connect the amplifier s power ground terminal to the closest point on the chassis of the car Keep this ground wire to less than 39 100 cm in length Use 4 gauge or heavier wire 2 Connect the remote terminal to the remote output of the head unit using 16 gauge or heavier wire 3 Connect an empty fuse holder within 18 45 cm of the car battery and run 4 gauge or heavier cable from this fuse to the amplifier location The purpose of placing a fuse in this location is to protect your vehicle s battery in the event that this wire accidentally touches the chassis ground on its run to the amplifier R2400D gt R3400D Amplifier User s Manual page 4 4 Check that the fuse holder is empty Then connect the fuse holder to the BATT connection on the amplifier 5 If multiple amplifiers are being used in your system either e Run a separate pair of cables from the battery and a chassis ground point to each amplifier Each cable must have its own inline fuse or e Run a 0 cable from the fuse holder at the battery to a distribution block at or near the amplifier s location Then run separate cables from the amplifier to this distribution block and to inde
12. pendent chassis ground points 6 Connect all line inputs and outputs if used using high quality cables Connect all speakers following the diagrams in this manual Be sure to observe proper polarity to avoid audio phase problems 7 Insert fuse s into the battery fuse holder s 8 Recheck all connections before powering up the amplifier 9 Set all level controls to minimum position and set all crossover controls switches to the desired frequency points 10 Power up the head unit and the amplifier Then set the volume control on the head unit to about 3 4 volume and adjust the amplifier s input level control s to just below the level of distortion 11 Further fine tuning of the various controls may be necessary to obtain best results Specifications MODEL RMS POWER into 4 Ohms MAX POWER into 2 Ohms MAX POWER into 1 Ohm Min speaker impedance THD Input impedance Input sensitivity Frequency response Signal to noise ratio Crossover filter range low pass subsonic Bass Boost Phase Shift Fuse rating Dimensions CLASS D MonoBlock Car Audio Amplifier R2400D 650W x 1 1600W x 1 2400W x 1 1 Ohm Mono 0 01 20k Ohm Selectable 100mV 2V or 2V 8V 15Hz 150Hz gt 100dB 50Hz 150Hz 15Hz 40Hz Variable 0 18dB Selectable 0 180 35Ax2 11 57 x10 43 x2 25 R3400D 1050W x 1 2000W x 1 3400W x 1 1 Ohm Mono 0 01 20k Ohm Selectable 100mV 2V or 2V 8V 15Hz 150H
13. r applications For further flexibility in the use of a subwoofer a variable 0 18dB Bass Boost control has been included You can control the subwoofer level with the remote level control module 3055 understands that amplifiers are placed in many different kinds of installations so we have also included an input sensitivity control to help you integrate the amp into your system regardless of the nature of your input source A special feature on this Class D amp is DataLink circuitry which allows you to strap together two R2400D s or two R3400D models for an astounding total maximum output power of 5000 watts respectively R2400D gt R3400D Amplifier User s Manual page 2 Features Notes Your new amplifier features the following e Class D operation MOSFET PWM Pulse Width Modulated Power Supply e One Ohm stable mono operation e Thermal overload and speaker short protection e Soft turn on circuit e Remote turn on turn off circuit e Variable input gain control e Input voltage sensitivity selector e Variable subsonic filter 15 40 Hz 12dB octave Variable low pass filter 50 150 Hz 12dB octave e Variable 0 18dB Bass Boost e 0 180 Phase Shift selector Nickel plated RCA low level inputs e Nickel plated speaker and power terminals e LED power and protection indicators e Black anodized heatsink e Remote subwoofer level control 30S AUDIO SYSTEMS Notes 3055 AUDIO
14. the following e Always use 4GA or heavier wire for power and ground connections e Wire the amplifier directly to the car battery Make sure there is circuit protection such as a fuse on the positive power lead within 18 of the battery e When making a ground connection always use the shortest possible wire to a good chassis ground point e Wire the remote turn on connection to the remote turn on lead of your EQ or head unit In some cases this may be the power antenna lead of the head unit e Fuses protect BOTH the amplifier and the electrical system of your vehicle from faulty conditions If you must replace a fuse on the amplifier you must use a fuse of exactly the same type and rating A different type of fuse or rating may result in damage or cause a fire SHOCK HAZARD Do not open the case of this product There are dangerous voltages present within the unit There are no user serviceable parts within the unit R2400D R3400D Amplifier User s Manual page 5 Low Level Input Wiring Low level RCA input wiring is preferred for best audio performance Always use a high quality RCA cable for best audio performance R2400D and R3400D Remote Subwoofer Level Control y 2 BASS PHASE BOOST SELECTOR e 18dB 180 0 e SUBSONIC LERT LOW PASS SENSITIVITY LEVEL FILTER re FILTER Power
15. wer cables Check that speaker leads are not shorted to the vehicle chassis Check that the RCA grounds are not shorted to the vehicle chassis Check that the head unit is properly grounded R2400D gt R3400D Amplifier User s Manual page 12 Important installation considerations for using this amplifier Your Class D amplifier is designed to run with a minimum load of 1 Ohm Operating the R2400D or R3400D with a speaker im pedance load below 1 Ohm may result in poor sound qual ity and damage to the amplifier circuitry Such damage is not covered under the warranty for this product The fuse ratings for these amps is 70A using two 35A fuses for the R2400D and 120A using three 40A fuses for the R3400D Although sufficient for normal working conditions overloading the amp may result in blown fuses Please try to avoid overloading the amp in this manner Don t misuse the level control Do not mistake the input level control for a volume control It is designed ONLY to match the output level of your audio source to the input level of your amplifier Do not adjust this input level to maximum unless your input level requires it Ignoring these instructions will result in an input overload to the amplifier and excessive audio distortion It can also cause the protection circuit to engage Tips for making your system as safe as possible When making electrical connections to the amplifier please observe
16. z gt 100dB 50Hz 150Hz 15Hz 40Hz Variable 0 18dB Selectable 0 180 40 3 13 54 x10 43 x2 25 All specifications subject to change without notice R2400D R3400D Amplifier User s Manual page 13 Troubleshooting If you experience operation or performance problems with this product compare your installation with the electrical wiring diagram on the previous pages If problems persist read the following troubleshooting tips which may help eliminate the problems SYMPTOM Amplifier will not power up Protection LED comes on when amplifier is powered up Low output Audio present in only one channel High hiss in the speakers Squealing noise from speakers Distorted sound Amplifier gets very hot Engine noise static type Engine noise alternator whine POSSIBLE REMEDY Check to make sure you have a good ground connection Check that the Remote Input Turn On has at least 3VDC Check that there is battery power on the terminal Check that there is at least 12v Check all fuses replace if necessary Make sure that the Protection LED is not illuminated If it is lit shut off the amplifier briefly and then repower it Check for short circuits on speaker leads Turn down the volume control on the head unit to prevent overdriving Remove speaker leads and reset the amplifier If the Protection LED still comes on then the amplifier is faulty and needs servicing Check that
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