USER MANUAL
Contents
1. The AK800 amplifier power requirement is 220V AC 12A FUSE 6 Volume control There are 4 hidden volume controls for each channel respectively Do not attempt to service the products beyond that described in the manual All other serviceable should be referred to qualified service personnel FOUR CHANNEL POWER AMPLIFIER 7 LEDs The following is adescription ofallthe AK800 protection 1 PROTECTLED Indicates that one of the various protections safeguarding the different sections ofthe amplifier and the loudspeaker enclosure has tripped due to an operating fault In these cases the power outputis normally switched off until normal operating conditions are restored 2 CLIPLED Indicates the presence of distortion as a result of excessive input level or too low output impedance 3 SIGNALLED Indicates signal presence forreceptive channel 4 ACTIVE LED Indicates active status 8 Protection Features Each AK800 power amplifier incorporates several circuits to preventitself and the loudspeakers connected from short circuit DC voltage and overheating damage 1 Thermal Protection In the event of malfunction a sensor located on the power outputs is able to break the circuit avoiding that current peaks reach the speakers and damage them 2 DC Protection 3 Turn ON OFF Protection 4 Short circuit protection Trips inthe event of a short circuit or overload limiting the output current 9 Maintenance Correct cooling for2. the amplifier is ensured by an internal fan the speed of which is controlled by a special sensor the speed is proportional to output power and therefore the temperature generated remember never to block the air vents located onthe sides of the unit in any way Avoid exposing the amplifier to direct sunshine high temperature environment strong heat intense vibrations very dusty or damp surroundings or even worse rain which will cause eventual malfunction deterioration oreven electric shocks and fires 10 User Responsibility Before connecting or operating your new AK800 amplifier please study the accompanying instruction manual carefully Pay particular attention to the operating precautions and wiring procedure FOUR CHANNEL POWER AMPLIFIER Il Specifications SPECIFICATION Subwoofer Left Right Center channel channel channel channel Output power 500W 150W 150W 150W 0 1 THD 80 1KHz sine wave Frequency response 20Hz 20KHz 0 2dB Total harmonic distortion 10 Rated output 0 0896 0 0496 0 0496 0 0496 Rated outputpower Intermodulation distortion 60Hz 7KHz 1 output power Signal to noiseratio A weight 98dB sewed mew Am wee FOUR CHANNEL POWER AMPLIFIER Front Panel IX500W 3X1 50W 1 Air Vents 2 LEDs for Subwoofer channel Protect clip signal active 3 LEDs for Left Channel Protect clip signal active 4 LEDs for Right channel Protect clip signal activ
3. USER MANUAL FOUR CHANNEL POWER AMPLIFIER O O SG Audio cup Sm active 9 Q Ov C E mim w AK80O0 O o e 3G Audio POWER AMPLIFIER FOUR CHANNEL POWER AMPLIFIERS SPECIFICATIONS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR BOTTOM COVERS NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSON NEL DISCONNECT POWER CORD BEFORE REMOVING REAR INPUT MODULE TO ACCESS GAIN SWITCH RISQUE DE CHOC ELECTRIQUE N OUVREZ PAS A PREVENIR LE CHOC ELECTRIQUE LE N ENLEVEZ PASLES COUVERTURES RIEN DES PARTIES UTILES A L ICT RIEUR DEBRANCHER LA BORNE AVANT D OUVRIR LA MODULE EN ARRI RE Magnetic Field CAUTION Do notlocate sensitive high gain equip ment such as preamplifiers or tape decks directly above or below the unit because this amplifier has a high power density it has a string magnetic field which can induce hum into unshielded devices that are located nearby The field is strongest just above and below the unit If an equipmentrack is used we recommend locating the amplifier s in the bottom of the rack and the preamplifier or other sensitive equipment at the top WATCH FOR THESE SYMBOLS The lightning bolt triangle is used to alert the user to the risk of electric shock The exclamation point triangle is used to a
4. e Rear Panel 9 d 5 LEDs for Center channel Protect clip signal active 6 Power switch 7 Subwoofer channel volume control 8 Left channel volume control 9 Right channel volume control 10 Center channel volume control m HH FOO EEEN NZ 1 T WZ 4 0 0006 5 O Signalinput connector of Center channel Signalinput connector of Right channel Signalinput connector of Left channel Signalinput connector of Subwoofer channel Limit control Ground select control Fuse 8 Output of center channel 9 Output of right channel 10 Output of left channel 11 Output of subwoofer channel 12 13 14 15 Output of center channel Output of right channel Output of left channel Output of subwoofer channel 16 AC powerline T Cooling fans SYSTEM CONNECTION M record equipment or sound TV1 TV2 TV3 reinforcement equipment 3G Audio KARAOKE AMPLIFIER
5. lert the user to important operating or Printed on maintenance instructions recycled paper FOUR CHANNEL POWER AMPLIFIER I Introduction AK800 amplifier has been designed using an advanced structural concept and qualified components to meet the most demanding requirements in the sound amplification field The AK800 amplifier has four independent channels Center channel Left channel Right channel Subwoofer channel 150W 150W 150W 500W 2 Operating Instructions Before connecting the amplifier to the power socket make certain that the voltage corresponds with that indicated on the rear of the unit a tolerance of 10 is acceptable Before connecting the power cable to the mains always make certain that it is not damaged and that there are no bare wires always connect the power cable to the amplifier before switching it on and only remove the cable after switching it off 3 Inputs There s a XLR connector for each channel respectively on the back panel of AK800 4 Outputs Each channel has a NL4 connector and a binding post connector connected in parallel Only loudspeakers within the amplifier s declared power and impedance load range should be connected to the amplifier s output The red binding posts are considered as hot connecting to the positive poles of loudspeakers the black binding posts connecting to the negative poles of loudspeakers 5 Power Supply Make sure power capacity of power outlet is correct
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