USER MANUAL
Contents
1. 4 160 70V and 100V terminals cannot be used at the same time e Impedances indicated in the figures represent the total speaker system load impedances Loads presented to the amplifier must be equal to or greater than listed above Speaker impedances must be measured using a true impedance meter do not standard multimeters WARNING Be sure to attache the supplied terminal cover attached after con nection Because high voltage is applied to the speaker terminals car should be taken never touch these terminals to avoid electric shock All speaker connections should be made using bare wire or suitable insulated crimp terminals Please ensure no loose strands are present as these may short across terminals causing damage to the amplifier oosseseeeeee eeeeee eeeeo eos eeo eeo e eoo eoee eo eeo eoeoo oeoe eoeeeee ee Connection With The Mains Connect the unit to the mains via the IEC mains inlet using the 13A UK IEC cord supplied The earth has to be connected Switch the unit on After switching on the speaker system wait 8 10 seconds before you turn the volume control up in order to avoid speaker damage CAUTION Increase the level of each channel up to the point where the clip LEDs illuminate Always check the sound pressure level with a meter in order to keep to the legal threshold Balanced XLR Jack Connection Balanced Used With XLR Connection 1 Ground shield 2 Hot 3 Cold Input2. Output For unbalanced pin 1 and pin 3 have to be bridged Jack Plug Unbalanced mono Balanced stereo 1 4 jack plugs 1 4 jack plugs Tip Tip Signal Hot Ring Cold Sleeve Sleeve Ground shield Ground shield Tip Tip Ring Sleeve Sleeve Strain relief Strain relief clamp clamp For connection of balanced and unbalanced plugs the ring and sleeve have to be bridged in the stereo plug e 6 ee eee6eee e e0e e0 e e0e eoeeeoeseeeeoeeeeeoeeeeeoeeeeeeeoeeeeoe 10 Problem Chart PROBLEM CAUSE REMEDY No Power The power cord is not connected Check the power cord and any extension cables e No Sound The power cord of the respective Check the power cord and if the product is not connected properly or plugs are properly connected with not at all the sockets The connection socket or the plug Clean the socket and or the plug is dirty Distorted Sound Load impedance is to low Check load impedance vs amplifier specification reduce as required CAUTION DANGER TO LIFE DISCONNECT FROM THE MAINS BEFORE STARTING MAINTENANCE OPERATION Cleaning and Maintenance We recommend a frequent cleaning of the product Please use a soft lint free and moistened cloth Never use alcohol or solvents There are no serviceable parts inside the product except for the fuse Maintenance and service operations are only to be carried out by authorised dealers Replacing the fuse Only replace the f
3. CLEVER 0 0 0 a Cec O US E i 0000000000 www cleveracoustics co uk SL 120 100V 120W Slave Amplifier Order code CRAM11 SL 240 100V 240W Slave Amplifier Order code CRAM12 SL 350 100V 350W Slave Amplifier Order code CRAM13 USER MANUAL WARNING FOR YOUR OWN SAFETY PLEASE READ THIS USER MANUAL CAREFULLY BEFORE YOUR INITIAL START UP CAUTION Keep this equipment away from rain moisture and liquids SAFETY INSTRUCTIONS Every person involved with the installation operation amp maintenance of this equipment should Be competent Follow the instructions of this manual CAUTION TAKE CARE USING THIS EQUIPMENT HIGH VOLTAGE RISK OF ELECTRIC SHOCK Before your initial start up please make sure that there is no damage caused during transportation Should there be any consult your dealer and do not use the equipment To maintain the equipment in good working condition and to ensure safe operation it is necessary for the user to follow the safety instructions and warning notes written in this manual Please note that damages caused by user modifications to this equipment are not subject to warranty RC IMPORTANT The manufacturer will not accept liability for any resulting damages caused by the non observance of this manual or any unauthorised modification to the equipment e Never let the power cable come into contact with other cables Handle the power cable and all mains voltage connecti
4. Hz lt 1 1kHz 1 3 rated power Power volume GND LIFT Power signal clip temp and protect AC fuse short circuit clipping and high temperature 500W 24V DC 240V 60Hz 132 x 484 x 408mm 14 5kg CRAM13 EPE 0 66 E 6 6 6 66 010 6016 06 s O10 Wie 6 6100 6 0 6 0 e100 6 0 06 E we 4 Overview SL120 SL 240 SIGNAL CUP PROT TEMP SIGNAL CLIP PROT TEMP SL120 SL 240 11 SL 350 ii 12 18 13 14 Identification Power LED This LED will light up once the amp is switched on 2 SIGNAL LED This LED will light up when signal is being received 3 CLIP LED This LED will flash when the output signal starts to distort A this point turn the master volume anti clockwise to prevent damage 4 PROT LED This LED will illuminate when the unit goes into protect mode Switch off the amplifier and check the output connections for faults or short circuits before powering on and resuming operation 5 TEMP LED Temperature LED will illuminate when overheating Switch off the amplifier and leave to cool down 6 FAN Vent Don not obstruct keep clear of dust 7 On off power switch Use the switch to power the unit on or off 8 Master volume control Use this control to increase or decrease the master volume 9 Carry handles 0 GND LIFT switch Switch to GND position when one unit is used switch lift LIFT when several units are used to avoid noise caused by several earth lin
5. d thus the low frequencies in a negative way Connect your speaker systems via the speaker terminals COM VE Examples 1 COM 4 160 2 COM 70V 3 COM 100V Note Please do not use more than one pair of output terminals PETER CELLET CREATE ET Ure Tee ee ore Connections To The Mains Before connecting the amplifier to the local mains voltage outlet should be checked to ensure the available supply is 240V AC 50Hz This product is CLASS1 and requires a protective mains earth to be connected at all times DO NOT remove or disconnect the earth Power On Off Procedure After connecting your amplifier to the mains turn all controls counter clockwise to the min position Turn on audio sources MP3 players CD players Microphones etc before powering the amplifier ON The last product to be switched on is the amplifier If you wish to power off the system turn the amplifier s master volume control counter clockwise to the min position before switching the amplifier OFF before any audio sources are switched off By following this procedure it will prevent acoustic shocks to the speakers or potential damage to system components Machine operation 1 After connecting all audio source and powering on the power amplifier adjust the and the master volume 2 The Clever Acoustics amplifier features output signal LED with PEAK indication Should the PEAK indicator illuminate flashing the output of the amplifier is too hig
6. e grounded 11 DC LED This LED will light up when optional DC power supply is used 12 FAN Vent Do not cover to avoid overheating 13 Speaker outputs Use these to connect the speakers 14 XLR input Use this to connect signal input from mixer amplifiers 15 6 35mm mono jack input Use this to connectsignal input from mixer amplifiers 16 6 35mm mono jack link Use this to link out to additional slave amplifiers FackLIRdtakatidse this to link out to out to additional slave amplifiers Ta 23V X ieonregiitrrsould ablleis fpe mrlegbtDougeislopfiloriae 24WGDlbduer ragkplyhere you can open the front and rear panel When mounting the amplifier into the rack please make sure that there is enough space around the amplifier Be careful when mounting the amplifier into the rack Put the heaviest products into the lower part of the rack Be aware that fastening the amplifier with four screws on the front panel is not enough Inputs Short cables runs improve the sound quality remarkably Input cables should be short and direct since high frequencies will mostly be absorbed if the cables are unnecessarily long Besides that a longer cable may lead to humming and noise problems If the cable runs are unavoidable you should use balanced cables Outputs The high damping factor of your amplifier supplies a clear sound reproduction Unnecessarily long and thin cables used for low impedance 4 16Q speakers will influence the damping factor an
7. ervicing and power connection must only be carried out by a qualified technician THIS UNIT CONTAINS NO USER SERVICEABLE PARTS WARRANTY One year from date of purchase e If this equipment is operated in any other way than those described in this manual the product may suffer damage and the warranty becomes void e Incorrect operation may lead to danger e g short circuit burns electric shocks e Do not endanger your own safety and the safety of others Incorrect installation or use can cause serious damage to people and property Sos ones see se o1s olen o eee es 8 ele ible oe ele ores seis e doses 2 This 100V line slave amplifier was designed specifically for use in permanent audio installations where reliability and premium sound quality are a must Highly rugged construction and high efficiency design make this amplifier perfect for continuous duty applications in situations were power will be left on for indefinite periods of time This 100V line amplifier is warranted from defects for one year from the date of purchase Should your amplifier require service either within or beyond that warranty period please contact your Prolight Dealer This unit includes a host of features along with an impressive list of specifications which are detailed over the next pages Please take the time to read this document completely prior to installation of this product Slave amplifier series are designed to suit all PA system applicatio
8. h turn the master volume anti clockwise to reduce the output 3 The Clever Acoustics amplifier all features protection with LED indication Should the PROTECT indicator illuminate turn the master volume control anti clockwise fully and switch off the amplifier for 15 seconds as the amplifier may have entered PROTECT mode temporarily due to a peak signal care should then be taken to ensure all input levels are set correctly If the amplifier persists to enter PROTECT mode the amplifier should be switched off and left to cool for 5 10 minutes before switching back on If the PROTECT indicator remains lit this indicates a problem with the amplifier or amplifier load ie Short Circuit 4 Speaker amp Amplifier systems can produce high sound pressure levels please operate all controls with caution to ensure people are not exposed to excessive or dangerous sound pressure levels Te cccccccc cece cece ence eens eee eeseeeeseeeeseceececeeneceons Panel Connections SL 120 240 350 SLAVE AMPLIFIER 24V DC INPUT MIXER AMPLIFIER Optional HT PRE OUTPUT COCO HOO OOOH OOOO EHO E EEE EHO OOOO EEE EE EEO EEE LEOE EEOC EEEEEOED Speaker connections Total impedance Total impedance COM 4 16Q 70V 100V COM 4 169 70V 100V 41Q SL 120 COM 4 160 70V 100V 830 SL 120 200 SL 240 T 420 SL 240 14Q SL 350 28 60 SL 350 anl eee 4 160 70V LINE 100V LINE Notes Both the
9. n in schools offices and stor Features e 70V 100V and 4 160 loudspeaker outputs e Balanced XLR line input e Unbalanced 6 35mm jack line input e Balanced XLR line output e Unbalanced 6 35mm jack line output e Temperature clip and short circuit protection e Power signal clip protection and temperature LEDs e GND lift switch to prevent ground loop hum e Fan cooled 24V DC and 240V AC inputs for maximum flexibility Diseases es dessous ie cos cesse 616 016 1e 406 E TA Specifications Power output Speaker outputs Sensitivity S N ratio Frequency response THD Controls Indications Protection Power consumption DC power supply AC power supply Dimensions H x W x D Weight Order code SL 120 120Wrms 135W peak 70V 100V amp 4 160 775mV 0dB gt 105dB 50Hz 18kHz lt 1 1kHz 1 3 rated power Power volume GND NET Power signal clip temp and protect AC fuse short circuit clipping and high temperature 200W 24V DC 240V 60Hz 88 x 484 x 353mm 9 3kg CRAM11 SL 240 240Wrms 255Wpeak 70V 100V amp 4 160 775mV 0dB gt 105dB 50Hz 18kHz lt 1 1kHz 1 3 rated power Power volume GND LIFT Power signal clip temp and protect AC fuse short circuit clipping and high temperature 400W 24V DC 240V 60Hz 88 x 484 x 353mm 13 2kg CRAM12 SL 350 350Wrms 375Wpeak 70V 100V amp 4 160 775mV 0dB gt 105dB 50Hz 18k
10. ons with particular caution e Never remove warning or informative labels from the equipment e Do not open the equipment and do not modify the equipment e Do not switch the equipment on and off in short intervals as this will reduce the system s life e Only use the equipment indoors Do not expose to flammable sources liquids or gases Do not carry the unit with only one handle Always carry using both handles e Always disconnect the power from the mains when equipment is not in use or before cleaning Only handle the power cable by the plug Never pull out the plug by pulling the power cable e Make sure that the available voltage is between 220V 240V e Make sure that the power cable is never crimped or damaged Check the equipment and the power cable periodically e If the equipment is dropped or damaged disconnect the mains power supply immediately Have a qualified engineer inspect the equipment before operating again e If the equipment has been exposed to drastic temperature fluctuation e g after transportation do not switch it on immediately The arising condensation might damage the equipment Leave the equipment switched off until it has reached room temperature e If your product fails to function correctly discontinue use immediately Pack the unit securely preferably in the original packing material and return it to your Prolight dealer for service e Only use fuses of same type and rating e Repairs s
11. use by a fuse of the same type and rating Before replacing the fuse unplug the mains lead Should you need any spare parts please use genuine parts Should you have any further questions please contact your dealer UC EEE Correct Disposal of This Product Waste Electrical amp Electronic Equipment Applicable in the European Union and other European countries with seperate collection systems This marking shown on the product or its literature indicates that it should not be disposed with other household wastes at the end of its working life To prevent possible harm to the environment or human health from uncontrolled waste disposal please seperate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources Household users should contact either the retailer where they purchased this product or their local government office for details of where and how they can take this item for environmentally safe recycling Business users should contact their supplier and check the terms and conditions of the purchase contract This product should not be mixed with other commercial wastes for disposal CE CLEVER a coust P PP
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