APart MA35 AV receiver
Contents
1. Danr qDsnr Da P C MIXING AMPLIFIERS TTT rep C MIXING AMPLIFIERS ULL SAFETY INFORMATION O 100Voft CO Retain all documentation for future reference Save the carton and packing material even if the equipment has arrived in good condition Should you ever need to ship the unit use only the original factory packing Do not spill water or other liquids into or on the unit Make sure power outlets conform to the power requirements listed on the back of the unit Do not use the unit if the electrical power cord is frayed or broken Always operate the unit with the AC ground wire connected to the electrical system ground Have gain controls on amplifiers turned down during power up to prevent speaker damage if there are high signal levels at the inputs Do not connect the inputs outputs of amplifiers or consoles to any other voltage source such as a battery mains source or power supply regardless of whether the amplifier or console is turned on or off Power down amp disconnect units from mains voltage before making connections Do not use the unit near stoves heat registers radiators or other heat producing devices Do not block fan intake or exhaust ports Do not operate equipment on a surface or in an environment which may distort the normal flow of air around the unit If the unit is used in an extremely dusty or smoky environment the unit should be periodically2. blown free of dust Do not remove the cover Removing the cover will expose you to potentially dangerous voltages Do not drive the inputs with a signal level greater than that required to drive equipment to full output Do not run the output of any amplifier back into another input Do not ground the red output terminal never connect a red output terminal to another red output terminal In case of malfunction this device should be serviced by qualified service personnel only CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE 5 SERVICING ONLY FOR QUALIFIED PERSONNEL qDsac mf AP C MIXING AMPLIFIERS OOOD 100Volt TOOTH The MAQS is a very compact PA system with the features of a real professional With its three balanced microphone and two rca line inputs this little one has a lot of potential You even will be able to page from your car The MA35 complies with the CE standards Before using your MA35 take a few minutes to read these instructions carefully This little time can avoid a lot of headaches afterwards FRONT PANEL 4 Power switch To tum the power on and off 2 Power imit indicator This led wil ight green after powering on and working under normal conditions When you draw too much power from your MA35 this led wil turn red telling you you re 3 dB under the peak power and limiting starts For the best sound a
3. e background noise or a noise picked up by your microphone cable might already activate the vox muto 23 Power supply fuse When this fuse blows replace it by the same type 6A quick blow When this happens frequently contact your nearest dealer AD5pr tE ap ar tS MIXING AMPLIFIERS OOOO OTT How to deal with 100V loudspeaker systems W 168 15 165 15 3 3 B 6 6 bdddddddAd TINS TOWNS ONN TIS WS WS TS WS S 15W 15W 15W 15W 3W 3W 3W 6w 6w PAGING TUNER MIC In fact working with 100V loudspeakers is rather simple when done in the right way Each 100V loudspeaker has a 100V transformer which can be set to a certain power for example 1 5 3 or 6W As the example shows the sum of all loudspeaker settings should never exceed the amplifiers power specifications Never use low impedance 8 ohm loudspeakers on a 100Vott system even not one More technically When your paging amp has a maximum output of 60 watts at 100V this means that the minimum impedance connected should be at least 167 ohm 100x1 00 60 To check your loudspeaker lines use a decent impedance checker example AP WM100 Now you are ready to get the best result on distibuting your music and messages to your audience Your litle giant is Ike a Swiss knife which will astonish you and many others
4. mp input When you dont use this feature the RCA bridge should be placed 14 Roc out When you need a copy of the contents you page you can connect this output to any recording device such as tape decks MD recorders VHS recorders etc You can also use this output to feed an extra ampiiier When you connect your MA35 pre amp out or record out to a microphone input of another mixing ampli er this input will have signal overload and the Sound willbe masked In this case you should use a DI box or other signal levelling device Never connect this output to an amplifier loudspeaker output Here you can connect any iine level stereo device such as tuners CD players MD players etc 46 Line 3 Mie 3 inpu Use only one of these parallel wired inputs at the time For line levels see 15 To the XLR3 balanced input you can connect any microphone using a balanced two wire shielded cable 1 earth 2 hol 3 cold For using condenser microphones See 20 17 Mic 2 XLR JACK Use only one of these parallel wired balanced inputs at the time See wiring diagram at the back You can use an unbalanced microphone on the Jack input WARNING When you have activated the phantom power you should NOT branch any unbalanced jack 18 Mic 1 XLR DINS Use only one of these parallel wired balanced inputs at the time See wiring diagram at the back These two inputs have been wirod in parallel with the balanced jack input at the front When you use the APar
5. nd longest life this led should be kept green giving you a safe margin This device has convection cooling and should operate within his normal level which is maximum 35 watts See that heat can be dispersed in an easy way Keep 10 em free space to the MA3S s top and sides 3 _Mic 1 input This balanced input has been wired in parallel with the XLR and DinS input at the back Use either one of the three inputs for microphone 1 Microphone 1 can be given a priority over ali the other inputs by using the VOX priority see 21 22 4 Input 1 2 3 4 volume controls By tuming each control clockwise the desired level of that input in the total mix is set To decrease those levels turn counterclockwise The volumes of the inputs not in use should be set fully counterclockwise If not hiss might occur 5 _Troble control Adjust the level as per your taste or needs Adding high frequencies gives briliance to your sound High frequency feedback can be removed by decreasing treble The centre position gives you a flat response 6 _Bass control Adjust as per your taste In reverberant rooms inteligibiity can be increased by decreasing bass The centre position gives you a flat response ADP tE q ap C MIXING AMPLIFIERS REAR PANEL 1 Voltags Sat the local voltage If any doubt contact your dealer The unit is shipped withthe selector set to 230VAC 8 Mains socket The unit can be connected to the mains circuit by a
6. standard IEC type power cord This socket contains a 1AT slow blow fuse Use a screw driver to flip out the fuse compartment and to replace it by the same type When this fuse blows frequently you should bring the MA35 to a qualified service centre First check whether you didnt use a quick blow fuse 8 DC power inlet The MA3S can be fed from any 12VDC power supply such as your car battery The voltage can be slightly higher up to save 10 Speaker output max 35 watts For low impedance use COM and 8 N Keep impedance above 8 Q For 70 or 100V speaker ines use COM and 70 or 100V terminals Dont mix the types of speaker connections Only one at the time should be used For 100V operation the minimum impedance has to be 286 Q For 70V operation the minimum impedance should be 140 0 41 Mute control termin By shorting this terminals the signals coming from inputs 3 and 4 wil be muted and the chime will be activated ifthe chime level has been turned on see 19 12 Ground terminal By connec mal equipment to your MAS hum noise might occur Connecting this terminal to the functional terminal of the other equipment may reduce this noise Amore common solution to get rid of buzz ground loops is to use a ground loap isolator in the signal path 13 Pre amp in out You can send the signal of the preamplifier to an external device such as an equalizer APart PXQ2215 or limiter and feed the treated signal back into the amplifer via the powera
7. t MICPAT or MICPACB paging microphones connected directly to the DINS input the signals fed into input 3 and 4 are muted automatically while paging To use VOX MUTE see 21 19 Chime level When you use the mute chime contacts of the DINS connector or the mute contacts described in item 11 the level of the chime can be set with this attenuator When you turn him completely counterclockwise NO chime shall be heard Daat q Pa P CE mnane ampurters z 20 a 2 Inside settings should only be done by persons familiar to electrical equipment MA35 INSIDE CONTROLS 20 Phantom on off jumper The MA35 has been shipped with this jumper in the OFF position When you set this jumper to the ON position phantom power wil be supplied to all microphone inputs 80 you can use condenser microphones In this case NO unbalanced jacks should be used Phantom power does not damage dynamic microphones 21 Vox mute onloff jumper The MA35 has been shipped with this jumper in the OFF position When you set this jumper to the ON position vox muting wil be activated on input 1 This voice activated mute will mute input muting starts is to be set by internal atter 4 In this way a two level mute is available The level at which vox 122 22 Vox sens With this attenuator you set the audio level at which vox muting starts for microphone 1 This is only possible when the vox on off jumper is set to the ON position You need to set this level otherwis
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