INSTALLATION AND OPERATION MANUAL
AMH SERIES
PROFESSIONAL AUDIO POWER AMPLIFIERS
AMH3600AMH2400
Page 1: ...INSTALLATION AND OPERATION MANUAL AMH SERIES PROFESSIONAL AUDIO POWER AMPLIFIERS AMH3600 AMH2400 ...
Page 2: ...peaker wiring during normal operation 1 LISEZ ces instructions 2 Tenez ces instructions 3 Notez tous les avertissements 4 Suivez toutes les avertissements 5 N utilisez pas ce produit près de l eau la piscine la plage le lac etc 6 Nettoyez seulement avec une étoffe sèche 7 Ne bloquez aucuns troux de ventilation Installez en accord avec les instructions du manufacturier 8 N installez près aucunes so...
Page 3: ... TO PREVENT BLADE EXPOSURE TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE TO PREVENT ELECTRICAL SHOCK MATCH WIDE BLADE PLUG TO WIDE SLOT FULLY INSERT CAUTION THESE SERVICING INSTRUCTIONS ARE FOR USE BY QUALIFIED SERVICE PERSONNEL ONLY TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT PERFORM ANY SERVICING OTHER THAN THAT CONTAINED IN THE OPERATING INSTRUCTI...
Page 4: ...o bridged Mono parallel operation selectable Binding post and 4 pole speaker output connection Output clip indication per channel Multi role output fault indication High quality close tolerance components throughout Individual 7 step Signal LED Bar Graph for status indication per channel Filter selectable switch LPF HPF per channel Protection Features Suppression of inrush current at mains turn on...
Page 5: ...en the amplifier will remain muted 4 Attenuator Level control for your amplifier is provided by a potentiometer on the front panel and indicates gain There are 2 controls on the new AMH Series amplifiers Each control is labelled for the channel that it operates 5 Signal Bar Graph Indicator There is a 7 step LED Bar graph given on the front panel for each channel They indicate 0dB 3dB 6dB 9dB 12dB ...
Page 6: ...with the female input XLR for strapping looping signal between amplifiers 14 Bridge Stereo Mono parallel Keeping this switch in middle position engages the BRIDGED MONO mode of operation In this mode your amplifier will only accept signal applied to channel 1 s input XLRs and the level of both channels will be controlled by the channel 1 attenuator The output from channel 2 will automatically be o...
Page 7: ...ipment s output wiring When wiring for an unbalanced source Pin 1 GROUND SHIELD Pin 2 HOT in phase with the amplifier s output Pin 3 GROUND SHIELD joins to pin 1 NOTE In line XLR connectors often have a termination lug that connects directly to the chassis of the connector IMPORTANT Do not link this lug to pin 1 at the amplifier s input as it will defeat the amplifier s input grounding scheme Outp...
Page 8: ...source equipment earth appears to the amplifier s input as a signal and is amplified as hum There are three things you can do to avoid earth loop problems Ensure the mains power for the audio system is quiet i e without equipment on it such as airconditioning refrigeration or lighting that may generate noise in the earth circuit Ensure all equipment within the system shares a common ground safety ...
Page 9: ... initialising period before it will accept signal The Inrush Current Suppression ICS circuit is in operation for the first 0 5 seconds This limits the mains current to prevent nuisance tripping of circuit breakers During this period you will hear a couple of relays click indicating mains is now directly applied to the amplifier and the signal path is connected While the ICS circuit operates there ...
Page 10: ...g edge of the fan blades and reduce their cooling efficiency The time taken for this to happen will depend on the environment and the amount of use The fan blades are accessible once the lids are removed and can be easily cleaned You need only hold the fan rotor still and wipe the dust off the blades Many users stall the fan and use compressed air to blow the dust off the fan blades It is importan...
Page 11: ...Channel Separation crosstalk 65dB 65dB 20Hz 20kHz Max output Adjacent Channels Damping Factor 400 400 20Hz 1kHz 8Ω Input Connectors 2 Female XLR 2 Male XLR 2 Female XLR 2 Male XLR Input Impedance 22kΩ 22kΩ Balanced line to line Output Impedance 20mΩ 20mΩ Input Sensitivity 1 23Vrms 4 0dBu 1 23Vrms 4 0dBu 0 2V Level control at maximum Input CMRR 55dB 55dB 20Hz 20kHz Output Connectors 2 Binding Posts...
Page 12: ...r 4200W 5700W 230Vac 50Hz Bridged 4Ω Efficiency Pink noise IEC 60268 1 Pink noise IEC 60268 1 1 8th Power 28 33 230Vac 50Hz Bridged 4Ω 1 3 Power 46 52 230Vac 50Hz Bridged 4Ω Full Power 57 63 230Vac 50Hz Bridged 4Ω Thermal Dissipation Pink noise IEC 60268 1 Pink noise IEC 60268 1 Idle 177 205 Excludes Load Power 1W 3 412BTU Hr 1 8th Power 2661 3166 Excludes Load Power 1W 3 412BTU Hr 1 3 Power 3190 ...