Cadence ZRS C9 Car Amplifier User Manual
Contents
1. _ O O POWER FUSE OicH O2cH O3cH O4cH O He O a CAdENcE ZS re 1 i 2 Ohm Stereo i L O ling La ToS 8 Ohm 8 Ohm 8 Ohm a 8 Ohm Midrange Midrange Midrange Midrange 8 Ohm 8 Ohm 8 Ohm 8 Ohm Midrange Midrange Midrange Midrange Eight 8 Ohmspeakers installed in parallel or 4 Ohm 4 Ohm 4 Ohm 4 Ohm Midrange Midrange Midrange Midrange Four 4 Ohm speakers installed in parallel Do not mix impedances and do not run amp below 2 ohm stereo load per channel ZRS C9 CONTROLS lt a fares TANNIN ei 3 4 CH REMOTE a a X OVER TF GAIN MODE power _ o a i mN B T a protect _ ov o 2V 45Hz asonz IZY CH 450HZ 4 5HZ x 7 CHANNELS 3 4 4 OUTPUT Q W O B Or A Aa E MONO 24 dB 9V 0 2V 10HZ 3G0HZ 0 4748 0aB 12 4B 45Hz 450HZ HPF LI GAIN SUBSONIC BASS FOCUS BASS BOOST 450HZ 4 5HZ 2 Channel Bridged Mono Configuration with CLONE FUNCTION PULL STEREO i2aB The ZRS C9 features a unique CLONE FUNCTION to assist in setting up a 2 channel bridged system with perfect gain and crossover tracking between the speakers Typically when setting up asystem you would need to set channels 1 2 and then channels 3 4 crossovers and gains separately not guaranteeing perfect balance or frequency cutoffs By using the CLONE FUNCTION you can control channels 1 2 from the processed signals of channels 3 4 th2. POWER amp DIAGNOSTIC LED INDICATORS ZRS amplifiers feature sophisticated IC controlled protection power circuitry If the amp goes E p in to a diagnostic condition from thermal over load or speaker short circuit the LED will light and amp will shut down ADJUSTABLE SUBSONIC WITH BASS FOCUS The ZRS C9 features our exclusive BASS FOCUS circuitry which works as a variable Q control at the Subsonic Filter setting By supplying up to 7dB of boost you can compensate for CROSSOVER FREQUENCY MULTIPLIER The ZRS C9 features in both channels 1 2 and 3 4 fully adjustable crossovers In order to make the crossover frequencies more accurate we split the ranges from 45Hz to 450Hz and then added a 10 times X Frequency Multiplier switch that changes the frequency range to 450Hz 4 5KHz This is especially useful when setting up 3 channel systems requiring a wide range of frequency settings 24dB CROSSOVER SLOPE Channels 3 and 4 can be set to play Low Pass Band Pass High Pass or Full Range my means of the control switch When mono TT Ptidsing the amplifier you can achieve a 24dB per drivers in too small enclosures so LPF HPF FULL STEREO i24B QcCtave slope by setting the switch to the MONO 24dB position For HPF Full Range 12dB is the selectable slope 45HZ 450HZ 1OHZ 360HZ 0dB 7dB 450HZ 4 5HZ SUBSONIC BAssFocus a 10 woofer can sound like a 12 woofer and a 12 woofer can sound like a 15
3. ZRS C9 QUICK INSTALLATION GUIDE MUSIC ALBUM ARTIST TEON Bie ar r ea REMOTE TURN ON FROM HEAD UNIT l SPEAKERS BRIDGED C BRIDGED O OicH O2cH O3cHd O4cHo PU AME EUSE POWER CABLE REQUIREMENT 4 GAUGE MINIMUM FOR 4 OHM BRIDGED OR 2 OHM STEREO HIGH POWER INSTALLS YOU MUST INSTALL AN ADDITIONAL 80 AMP IN LINE FUSE IN THE MAIN POWER CABLE CONNECTION MMT GROUND CONNECTION CABLE SHOULD USE SAME GAUGE WIRE AS POWER CABLE KEEP GROUND CABLE AS SHORT AS POSSIBLE ALL AMPLIFIERS IN A MULTI AMP INSTALLATION SHOULD GROUND TO THE SAME LOCATION TO AVOID GROUND LOOPS ZRS Type C9 4 Channel High Power Amplifier 4 Ohm Power 2 Ohm Power 4 Ohm Bridged IHF 2002 Peak Power Damping Factor Preamp Input Voltage Low Pass Crossover LP Crossover Slope Band Pass Control Subsonic HP Frequency Bass Focus Control Bass Equalizer Preamp Output Input Channels Minimum THD Frequency Response Dimensions 4 x 100 Watts RMS 4 x 150 Watts RMS 2 x 300 Watts RMS 2 x 600 Watts 1200 Watts Max 640 100Hz 200mV to 9Volt 45Hz 4 5KHz utilizing Multiplier 12db Channels 1 and 2 12db or 24dB Channels 3 and 4 Selectable Channels 3 and 4 Capable 10HzZ 360Hz Flat to 7dB Flat to 12dB 45Hz 4 Channel Mixed Mono RCA 2 or 4 Channel Selectable lt 0 1 10Hz 40Khz 3dB 9 6 x 2 32 x 15 11 243x59x384mm We have spared no expense in designing these ampli
4. ated will begin to melt the terminal Itis a good practice to feel the power and ground wires with your hands near their amplifier connection after having played the amp for a while If the wires feel hot to the touch you probably have a bad or loose connection If you are sure of your connections and the wires still feel hot to the touch you should upgrade the gauge of wire to next heaviest gauge The remote turn on connection is located on the barrier strip next to the power and ground connections This connection is responsible for turning the amplifier on and off with the rest of the system A smaller gauge wire can be used to make this connection to your radio s power antenna lead Should your system not have any turn on leads you can wire the remote terminal to an accessory lead which turns on with your cars ignition The ZRS Series amplifiers feature RCA preamp inputs Run RCA cables from your sound source to the inputs of the amplifier We suggest the use of high quality shielded RCA patch cords to help reduce and eliminate unwanted electrical noise to your system To avoid electrical noise from being injected in to your sound systems be sure to run the RCA cables on the opposite side of the vehicle that you used to carry the power and ground leads of the amplifier C RTIENTE 4 Ohm Bridged Mono Configuration POWER When bridging the ZRS C9 minimum impedance per channel is 4 ohm mono bridged When using DVC 2 ohm woofe
5. attery offers protection against damage from short circuits to the car chassis between the battery and the amplifier Asecond fuse closer to the amplifier offers additional safety to the amplifier itself This fused red power wire should be attached to the amplifier power terminal marked 12V The wire harness should be made of primary cable of at least 4 gauge The harness should terminate in a large ring terminal for connection directly to the positive terminal of the car battery Use a spade plug to attach the wire which connects to the amplifier location marked 12V A second black color wire of equal gauge should be used as a ground connection to a welded chassis member When connecting the ground wire make sure that there is no paint or other insulator blocking a good ground connection When installing multiple amplifiers mount them in close proximity so that they can all share the same ground point Attach the black ground wire to the amplifier screw terminal marked Ground We recommend that you use the Cadence amplifier installation kits which contain all the cabling and accessories necessary for a good reliable installation Over the years we have received amplifiers back to our service department with melted power ground terminals The cause of this is a bad ground connection When there is a lack of good ground heat builds up at the weakest point which happens to be the contact screw of the amplifier terminal Over time the heat gener
6. ereby guaranteeing that all 4 channels are getting identical voltages and have their crossover settings at identical frequencies Here is how you do it ipur lf your head unit has only one trp pair of RCA outputs plug these in to channels 1 2 and set the mode switch to 2CH m 2CH RCA PREAMP OUTPUT The preamp output is a full range signal mixed from all 4 input channels Use this signal to feed a mx Secondary mono block amp in your system OUTPUT INPUT If your head unit has two pairs of RCA outputs plug these in to all 4 of the amplifiers RCA inputs and set the mode switch to 4CH INPUT GAIN CONTROL All ZRS Type C amplifiers feature advanced input gain control from 0 2 volts to 9 volts so they can operate efficiently and at full power from any head unit pre amp signal Set the Crossover mode switch to CLONE 3 4 CH This will send the processed signal of channels 3 and 4 to channels 1 and 2 CLONE HPF 3 4 CH FULL DASH MOUNT BASS REMOTE The remote bass control functions on channels 3 and 4 only When using the CLONE function the bass remote will function on both bridged channels Use only cable supplied with the remote for connection Now all controls for channel 1 2 will be non functional All crossover settings gains subsonic bass focus bass boost frequency multipliers and crossover slopes will be controlled from channels 3 4 r X OVER scone LI Hz
7. extremely sensitive to noise when the LEVEL is set to maximum and does not match your input signal The gain adjustments need to be made only once when first setting up the system
8. f the amplifier marked INPUT GAIN adjusts the input sensitivity from 200mvV to 9Volts To adjust the input sensitivity turn the control using a small flat head screwdriver fully counter clock wise to the minimum position Do not apply any pressure while turning as this might break the control unit Adjust your radio volume level to maximum volume Now turn the level control on the amplifier clockwise towards the Maximum marking until audible distortion occurs When you begin to hear any distortion in the sound back down one notch and your amp is set It is helpful to have a second person to help you set the gain When setting up a multi amp system set each amplifier s gain separately Start off with the bass amplifier then adjust the highs amplifier s level control to match Once you are satisfied with the level control settings use any equalizer controls to adjust the system tonal level for personal preference Keep in mind that after equalizing you may have to go back and reset the amplifiers level controls The level control of any car amplifier should not be mistaken for a volume control It is a sophisticated device designed to match the output level of your source unit to the input level of the amplifier Do not adjust the amplifier gain to maximum unless your input level requires it If your unit has been professionally installed please do not change the gain settings set by the installer he is the professional Your system can also be
9. fiers creating the most rugged reliable powerful and best performing amplifiers In fact we are so sure of the quality we backup every ZRS Series amplifier with our exclusive two year warranty which exemplifies our commitment to excellence in car audio musical reproduction See enclosed warranty card for details Please read this installation guide carefully for proper use of your Cadence power amplifier Should you need technical assistance during or after your installation please call our technical line between 9 30 am and 5 00 PM EST at 732 370 5400 Read this entire guide fully before attempting your installation WARNING BE AWARE Use of this amplifier at extreme high volumes for extended periods of time may cause hearing loss and or hearing damage During periods of prolonged high volume levels it is recommended that you use ear safety devices Playing Cadence amplifiers at high volume levels while driving will impair your ability to hear necessary traffic sounds While driving always keep your sound volume at reasonable levels We at Cadence want you listening for many years to come When installing the amplifier secure it tightly An unmounted amplifier in your car can cause serious injury to passengers and damage to your vehicle if it is set in motion by an abrupt driving maneuver or short stop We suggest you construct a Red wiring harness with 2 additional fuse One fuse should be located near the car battery This fuse near the b
10. rs voice coils must be wired in series to 4 ohm 3 Channel Configuration POWER GND REM Channels 1 and 2 to Front Left Front Right component speakers with channels 3 and 4 bridged to 4 ohm mono load Channels 3 and 4 can be bridged to one 4 Ohm mono woofer Two 2 Ohm woofers can be used for Stereo bass on Channels 3 and 4 4 Ohm To amp Single Voice Coil To amp DVC 2 Ohm Wired in Series to 4 Ohm CO C BRIDGED FUSE cH SPEAKERS O2cH COC lt a a ot Se 4 re O3cH O4cH O DVC 2 Ohm Wired in Series to 4 Ohm To amp 4 Ohm Single Voice Coil To amp CO Cy SPEAKERS BRIDGED FUSE eses 2cH a V4 a O3cH O4cHo O DVC 2 Ohm Wired in Series to 4 Ohm To amp 4 Ohm Single Voice Coil To amp ZRS C9 4 Channel Configuration CO CT eh aKers O POWER FUSE 1 cH gt o 2cH bsos Gar O O ili O a a Oa a eo ae 4 Channels 1 and 2 to Front Left Front Right Component Speakers Channels 3 and 4 to Rear Left Rear Right Component Speakers 6 x 9 Speakers or 6 5 Speakers Minimum 4 Ohm Impedance 2 ohms per channel 6x9 or 6 5 Speakers Channels 3 and 4 Rear 4 Ohm Tweeters in Parallel 4 Ohm Tweeters in Parallel Multi Speaker pone pee P Stereo Configuration pe Co Cy SbeE AKERS BRIDGED m BRIDGED
11. woofer Small dash and door speakers will also benefit and will actually increase their power handling capabilities Before you begin with your installation disconnect the NEGATIVE terminal from your car s battery This safety precaution will avoid possible short circuits while wiring your amplifier Cadence amplifiers operate on 12 volt negative ground systems only It is recommend that you layout your sound system design on paper first This will help you during the installation so that you will have a wiring flow chart and not miss wire any of your components Mount the amplifier in the trunk or hatch area of your vehicle Never install an amplifier in the engine compartment or on the firewall Please be sure to leave breathing room around the amplifier heat sink so that it can dissipate the heat it produces efficiently The amplifier can be installed either horizontally or vertically When mounting the amplifier on the trunk floor be sure to watch for your gas tank gas lines and electrical lines Do not drill or mount any screws where they might penetrate the gas tank of your Car Once the system is operational the first thing to do is set all crossover points to approximate settings In the case of the basic sub woofer system Low Pass filter crossover at 100 Hz or so Set the Bass Boost equalizer controls to 0 dB Flat Switch Position Now you should set the amplifiers Input Sensitivity adjustment The knob accessible on the side o
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