Pyramid Technologies CR-71 User's Manual
Contents
1. L w pass Rear output Front output level levei levei Output Remote Power Fuse Pass Front Rear a Rear Front low pass bund Remote AJ a contrat a Front Output Level Control Rear Output Level Control Low Pass Mode Switch Low Pass Level Allows Low Pass Channel Output Control To Receive Signal From Either Q Control Low Pass Level The Mix of Front and Rear Inputs or From Low Pass Inputs Directly When Head Unit Has Appropriate 5th 6th Outputs Remote co woller a a a 7 Mins Output level 7 PYRANWO 5 a a sA FUSE 1A BATTERY OPTIONAL 5TH OUTPUT FRONT OUTPUT REAR OUTPUT REMOTE OUTPUT 958 j CD HEAD UNIT RW 1 ass boost gt r Eq Band pess ISK CONNECTIONS ZBYRAMID O rom a re igh pasz High ow pass raj ar output Front o OPTIONAL REMOTE L W PASS LEVEL CONTROL AND CONTROL IR TWEETER REAR AMPLIFIER IF PYRANWD 8 T R O U LE SH OO G Before removing your amplifier refer to the list below and follow the suggested procedures Always test the speakers and their wires first NO OUTPUT Confirm that ali terminal strip connections are secure and tight Check both in line and built in fuses Both the 12v and the REMOT2. 5 Hz 4 8KHz 3dB m Frequency Response High Front 65Hz 50KHz Rear 65Hz 50KHz 3dB m Signal to Noise Ratio Weighted gt 95 dB m 2 2 0 000 lt 0 01 Dimensions WxHxD Inches 19 64 x 6 19 64 x 1 1 2 5 PYRANWO ELECTRICAL WIRING CR 71 signal processors and car audio crossovers are equipped with easy top access screw terminals These terminal are 14K gold plated in order to ensure excellent electrical contact and to resist corrosion When making electrical connections to the signal processor and crossover please observe the following Use at least 16 gauge or heavier wires for power and ground connections Wire the crossover directly to the car battery with a 1A fuse in line Q For the ground connection use the shortest possible wire to a good chassis ground point Wire the remote connection to the remote turn on connector of your head unit MOUNTING THE CROSSOVER Mark the location for the mounting screw holes by positioning the crossover where you wish to install it and use a scribe or one of the mounting screws inserted in each mounting hole to mark the mounting surface If mounting surface is carpeted measure the hole centers and mark with a felt tip pen Drill pilot holes in the mounting surface for the mounting screws and insert the mounting screws into these holes Tighte
3. E terminals must have 12v referenced to chassis ground Confirm that the audio signal source car radio equalizer etc is connected and is supplying output signal To check if the amplifier is supplying signal unplug the RCA cables from the signal source but leave them plugged into the amp Briefly tap the center pain of each of the disconnected RCA plugs with your finger This should produce a noise feedback in your speakers ONLY ONE CHANNEL WORKS Confirm that all speaker strip connections are secure and tight Check the BALANCE control on the head unit or other source to verify that it is set to its midpoint if you are using the Low Level RCA input reverse the input plugs at the amplifier switch the R with the L If the channel which is silent switches to the other side the problem is either in the head unit other source or the connecting cables NOISE IN THE AUDIO If the noise is a whine whose pitch follows the engine speed confirm that the amplifier and any other signal sources head unit etc Are properly grounded If the noise is a clicking or popping noise whose rate follows the engine speed this usually means that the vehicle is equipped with resistor spark plugs and wires or that the ignition is need of service Check the routing of the speaker and input wires to make sure they not adjacent to wires which lights and other accessories If the above steps fail to improve or clear no
4. Owner s Manual Model No CR 71 Please Read Carefully Before Installation and Use RrPYRAMW 3 Way Electronic Crossover With Remote Control 1 PYRANWO CON TE 5 CONTENTS 2 INTRODUCTION 3 IMPORTANT 3 FEATURES 4 SPECIFICATIONS 5 ELECTRICAL WIRING 4242422 6 MOUNTING THE CROSSOVER 6 PRECAUTIONS 6 CONTROLS 7 CONNECTIONS 8 TROUBLE SHOOTING 9 PYRANWD 2 N T RO D U C T I Congratulations and thank you on your purchase PYRANWD CR 71 You have selected of finest audio reproduction products avaiiable today In choosing the 71 crossover have made possibly the single largest improvement you can add to your audio system String to provide you the consumer the highest production quality and sonic reprod uction available has become a personal goal of the staff at PY RAAIMWD and you have selected an excellent example Providing you with sophisticated crossover is not all has accomplished Check out our full line of amplifiers signal processors dynamic component systems and coaxial speakers and of course our wide selection of high performance subwoofers explore the potential of PYRAMID and most of all enjoy the music MPO R PLEASE READ ALL INSTRUCTIONS BEFORE INSTALLATION The quality of the installation may affect the performance and reliability of your ANT c
5. ise interference the system should be checked by a professional mobile audio installer 9 PYRANWO NOTE PYRANWD 70 www pyramidcaraudio com
6. n them securely Note Be sure to take note of any wires lines or other devices in your vehicle which may be located behind any mounting surface P R E CAUTIONS Before you drill or cut any holes investigate your car s layout very carefully Take care when you work near the gas tank fuel lines hydraulic line and electrical wiring Do not operate the crossover when it is unmounted Attach all audio system components securely within the automobile to prevent damage especially in an accident Do not mount this crossover so that the wire connections are unprotected or in a pinched condition or likely to be damage by nearby objects Before making or breaking power connections in you system disconnect the vehicle battery Confirm that your head unit or other equipment is turned off while connecting the input jacks and speaker terminals PYRAMID 6 CON T R OL 5 Rear High Pass Frequency Control Converts Rear Channels To Bandpass Bass Boost Frequency Control Rear Low Pass Crossover Bass Boost Level Control Frequency Control Low Pass Power Indicator Frequency Control Front High Pass Crossover Frequency Control TL o iS 1 Z4oHz u Bass boost Boost freq Band pass u Lex Mode 0 EF Or GEHz u 300Hza RASK G5Hzu Wu High pass Low pass High pass rear rear front u R LJ a u m a f u E m E a E Min a m Max Min m m Max Mir
7. rossover network Please take the few minutes to read the manual carefully The time you spend on installation will prove to be worthwhile when it s time to listen to your investment 3 PYRANWO FEATURES m Gold Plated RCA and Power Connectors m Remote Control Provided for Low Pass Output Level m Remote On Off Power Control m LED Power Indicator m Switching Power Supply m Low Noise High Slew Rate Audio Grade Amps a Fully Adjustable Low and High Pass Output Levels m Phase Reverse Volume on Low Pass u Infinitely Variable Low Pass crossovers Rear and Main m Infinitely Variable High Pass Crossover Front and Rear m Low Pass Mono Channel Selector for Mixed or Direct Low Pass Inputs Bandpass Highpass Switch for Rear Channels m Bass Boost Volume with Variable Frequency Volume PYRANWD 4 SPECIFICATIONS m mput Impedance 39 K Ohm Each Channel Maximum Input Level 2 4 4 5V RMS e Maximum Output Level 9V RMS High Pass Crossover 12dB Front 65Hz 4 5KHz Rear 65Hz 4 5KHz m Low Pass Crossover 12 dB octave Rear 300Hz 4 6KHz m Low Pass Crossover 12 dB Main 40Hz 4 2KHz m Low Oto 18 dB m Gain Variable O to 6dB u Frequency Response Low
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