USER MANUAL
Contents
1. gt 62dB 12dB 48V DC A00mV 15kQ gt 76dB 50Hz 18kHz 3dB OdBV 6000 0 596 10dBV 3kO Air cooled 100W 12V 240V 50Hz 88 x 484 x 303mm 6 7kg CRAM05 MA 2120 120Wrms 135Wpeak 50V 70V 100V amp 4 160 1V 20kO gt 90dB 40Hz 17kHz 3dB 5mV 6000 gt 62dB 12dB 48V DC 400mV 15kQ gt 76dB 50Hz 18kHz 3dB OdBV 6000 lt 0 5 10dBV 3kO Air cooled 200W 24V 240V 50Hz 88 x 484 x 303mm 7 8kg CRAMO06 444 445929892026009002 9505 9249 24 0v 49299004 99499225924 Overview 12 11 10 CLEVER p ED 998 Lez OOO 13 14 24 15 16 17 18 Identification UNa 11 12 13 14 15 16 17 18 19 20 21 22 23 POWER SWITCH POWER Power indicator BASS Adjust bass response Rotate clockwise to increase bass output and anticlockwise to reduce it TREBLE Adjust treble response Rotate clockwise to increase treble output and anticlockwise to reduce it AUX1 amp 2 Aux 1 amp 2 volume controls TEL Telephone volume control MIC1 MIC2 MIC3 MIC volume control MIC1 MIC2 MIC3 MASTER Adjust volume output Rotate clockwise to increase volume output and anticlockwise to reduce it MIC MIC1 input 6 35mm Microphone jack input LEVEL INDICATORS Level meters 6 output level indicators reduce the master volume if the RED Peak LED illuminates PROT Protection indicator LED TEMP Temperature will lit up when overheating MIC1 ADJ Adjusts t2. CLEVER www cleveracoustics co uk MA 260 100V 60W Mixer Amplifier Order code CRAMO5 MA 2120 100V 120W Mixer Amplifier Order code CRAMOG 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 74 2299 99499994248 2999999289999 2889229340589 09299489269 00 5999 9 99 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 Never let the power cable come into contact with other cables Handle the power cable and all mains voltage connections with particular cautio
3. 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 4 160 speakers will influence the damping factor and thus the low frequencies in a negative way In order to safeguard good sound quality the damping factor should lie around 50 The longer a cable has to be the thicker it should be For longer cable runs please ensure the 100V outputs are used for 100V speakers 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 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 contr
4. 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 5 The Clever Acoustics amplifiers all feature protection with LED indication Should the TEMP over temperature protection indicator illuminate turn the master volume control anti clockwise fully and switch off the amplifier for 15 seconds as the amplifier may have entered TEMP over temperature protection mode temporarily due to the internal temperature reaching the preset limit care should then be taken to ensure all input levels are set correctly and that all ventilation slots are clear of obstruction If the amplifier persists to enter TEMP mode the amplifier should be switched off and left to cool for 5 10 minutes before switching back on If the TEMP indicator remains lit this indicates a problem with the output level ie bass heavy music amplifier cooling or amplifier load ie Short Circuit 6 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 dang
5. erous sound pressure levels Teocccoc00000000000000000000000000000 0000009000000009009000090 Panel Connections mics mice Mica Aux Aux TEL BASS TREBLE MASTER n B roa po p roa gt 4 P m di 2 m ha TS os P cow uo a B 230V Sor 100w del Te OUTPUT f MUTE XLRuS SSMM INPUTS MIC2 ma ics TEL INPUT mye AUX mg AUX2 wem OUT E Jee ee o 0 9 9j I ng De MAINS MIC 1 12V DC INPUT MA 260 24V DC INPUT MA 2120 AUDIO SOURCES ma 9990 Ll TEL INPUT 000900000009000000900000000000000000000000900009000900090009009D Speaker connections COM 4 160 70V 100V COM 4 160 70V 100V COM 4 160 70V 100V Total impedance Total impedance 810 MA 260 1670 MA 260 41Q MA 2120 830 MA 2120 Wm gum 4 160 70V LINE 100V LINE Notes Both the 4 160 and 100V terminals cannot be used at the same time 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 attach the supplied terminal cover attached after connection Because high voltage is applied to the speaker termi nals care should be taken never touch these terminals to avoid electric shock All speaker connections should be made using bare wire or suitable insulated crim
6. he mute volume from 0 20dB when MIC1 overrides all other input MIC1 XLR 6 35mm XLR 6 35mm Jack combi socket MIC2 amp 3 MIC 2 amp 3 input 6 35mm Microphone jack input TEL INPUT Balanced input suitable for connection to the output of a telephone based paging system AUXA amp 2 Line input suitable for CD players tuners or MP3 players LINE OUT Connect to line level sources such as CD MP3 players SPEAKER TERMINALS Connectors for 4 16 ohms or 70V and 100V speakers POWER INPUT 220 240V 50 60Hz Fuse F1A 250V 48V PHANTOM 48V Phantom power switch apply power to XLR input suitable for powering condenser microphones DC connections 12V for the MA 260 24V for the MA 2120 MAINS FUSE If mains fuse requires replacement use the same type and value as originally supplied Docccccececcccocccccooccossceocoss sc0000000900009000009090000 9 Rack Installation The MA Series are rack mountable The rack you use should be a Double Door Rack where 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 The front panel is not designed to absorb acceleration forces occuring during transportation Inputs Short cables runs improve the sound quality remarkably Input cables should be short and direct since high frequencies will mostly be
7. n Never remove warning or informative labels from the equipment Do not open the equipment and do not modify the equipment Do not switch the equipment on and off in short intervals as this will reduce the system s life 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 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 Make sure that the mains supply voltage is 240V Make sure that the power cable is never crimped or damaged Check the equipment and the power cable periodically If the equipment is dropped or damaged disconnect the mains power supply immediately Have a qualified engineer inspect the equipment before operating again 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 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 Only use fuses of same type and rating Repairs servicing and power connection must onl
8. offices and stores Features 19 rack mountable chassis removable rack ears 70V 100V and low impedance 4 160 loudspeaker outputs Three microphone inputs and two AUX inputs MIC 1 features VOX priority and VOX level on front panel MIC 1 2 and 3 AUX 1 2 and master volume controls and bass treble tone control Switchable 48V phantom power on MIC 1 Telephone input Line output via phono sockets Short circuit overload and high temperature protection Built in priority functions for telephone override for AUX and MIC 1 2 and 3 Optional DC input for use with battery backup power sources or for operation using high capacity batteries LED VU meter with temperature and protect indication Fan cooled Do ate oie sie P es eseves 99290293999 4999 9999999990949 99902999 9 Specifications Speaker Power output Speaker outputs Level impedance S N ratio Frequency response MIC 1 2 input CH1 2 in 1kHz preamp out Input sensitivity impedance S N ratio Tone control Bass 100 kHz Treble 10kHz Phantom power AUX 1 input AUX in 1kHz preamp out Input sensitivity impedance S N ratio Frequency response Preamp out Total harmonic control Line level output Cooling Power consumption DC power supply Power supply Dimensions H x W x D Weight Order code MA 260 60Wrms 75W peak 50V 70V 100V amp 4 160 1V 20kO gt 90dB 40Hz 17kHz 3dB 5mV 600Q
9. ol 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 44999999 99999999 94 999999999 94940969 990 e610 6 29294799999 D MACHINE OPERATION 1 After connecting all audio sources and powering on the mixer amplifier adjust the level of each audio input to achieve the desired mix Care should be taken to when adjusting microphone input volumes and the master volume adjust both of these in small increment s to avoid feedback howl around The goal is to achieve a clear balance between music and voice ensuring an nouncements can be clearly heard 2 The Telephone and Microphone input No 1 feature adjustable voice operated override VOX this will mute all other inputs After 3 seconds of no signal to the TEL or MIC1 inputs the other inputs will return to their original state The VOX mute level can be adjusted on the rear panel The TEL input has highest priority followed by the MIC1 3 The Clever Acoustics amplifiers all feature output VU meter s with PEAK indication Should the PEAK indicator illuminate flashing the output of the amplifier is too high turn the master volume anti clockwise to reduce the output 4 The Clever Acoustics amplifiers all feature protection with LED indication Should the PRO TECT indicator illuminate turn the master volume
10. p terminals Please ensure no loose strands are present as these may short across terminals causing damage to the amplifier 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 Ncccccccccccsecceoosossoccootcoccocecoceooceoccoccccceocon Balanced XLR Jack Connection Jack Plug Unbalanced mono 1 4 jack plugs Tip Signal Sleeve Ground shield Tip Sleeve Strain relief clamp Balanced Used With XLR Connection 1 Ground shield 2 Hot 3 Cold Output For unbalanced pin 1 and pin 3 have to be bridged Balanced stereo 1 4 jack plugs Tip Hot Ring Cold Sleeve Ground shield Tip Ring Sleeve Strain relief clamp For connection of balanced and unbalanced plugs the ring and sleeve have to be bridged in the stereo plug 06 0900000000000000000000009000000000000000000000000000c0c 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
11. 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 fuse 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 11 eoccoc000009090909090000009090090900900009000900090009000900000990 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 o
12. r 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 G CLEVER El CG m U G i we clevarscaustics cou
13. y be carried out by a qualified technician THIS UNIT CONTAINS NO USER SERVICEABLE PARTS WARRANTY One year from date of purchase 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 Incorrect operation may lead to danger e g short circuit burns electric shocks Do not endanger your own safety and the safety of others Incorrect installation or use can cause serious damage to people and property E L E 9 292922999999 29929992999993299 99209499999 2 This 100V line mixer 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 The Mixer Amplifier series is equiped with priority function They are designed to suit all PA system application in schools
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