ElectroVoice-AP2300SA-pwr-电气原理图手册

ElectroVoice'a MARK IV companyModel AP2300/SATwo-ChannelPower AmplifierSPECIFICATIONSVoltage Gain (reference 1 kHz).TIM [DIN 100](at rated output power),Dual Mode,4 or 8 Ohms:Any Mode:Conditions:30 dB<0.1%1.0dBu=0.775VmsBridge Mode,8 or 16 OhmsRise Time2.Dual-mode ratings are for each channel36 dB(10%to 90%,at rated output power),3.Both channels operating at rated outputAny Mode:power unless noted.Input Sensitivity for Rated Output Power<5 usec4.120-volt ac line voltage maintained(reference 1 kHz),Slew Rate (at rated output power).throughout testing.Dual Mode,4 Ohms:Dual Mode,4 or 8 Ohms:Continuous Rated Output Power0 dBu (0.775 V rms)>18 Viusec(20 Hz-20 kHz,30 kHz measurementBridge Mode,8 Ohms:Bridge Mode,8 or 16 Ohms:bandwidth),0 dBu (0.775 V rms)>36 VlusecDual Mode,4 Ohms:Dual Mode,8 Ohms:Damping Factor,150 watts at <0.10%THD+1.2dBu(0.890Vrms)Dual Mode,8 Ohms,Bridge Mode,8 Ohms:Bridge Mode,16 Ohms:20Hz-1kHz>200300 watts at <0.10%THD+1.2 dBu (0.890 V rms)20kHz:>80Dual Mode,8 Ohms:Maximum Input Level (reference 1 kHz):Channel Separation (below rated output100 watts at <0.05%THD+20 dBu (7.75 V rms)power,single channel operating):Bridge Mode,16 Ohms:>75 dB at 1 kHz200 watts at <0.05%THDInput ImpedanceNoise (below rated output power,AMaximum Midband Output Power(per channel,20 Hz-20 kHz).weighted,any mode):(reference 1 kHz,1%THD),Balanced:>100dBDual Mode,4 Ohms:>30 kilohmsAmplifier Protection:200 wattsUnbalanced:Excessive output voltageBridge Mode,8 Ohms:>15 kilohmsShorted loadsExcessive phase shift400 wattsPhase Responserf inteferenceDual Mode,8 Ohms:(at rated output power,any mode).Over temperature125 wattsat 20 Hz:Load Protection:Bridge Mode,16 Ohms:<+25 degreesStartup/shutdown transients250 wattsat 20 kHz:dc faultDynamic Headroom>-25 degreesInfrasonic signals(reference 1 kHz,1%THD).THD (at rated output power,30 kHzLow ac line voltageAny Mode:measurement bandwidth),Cooling:≥1.0dBAny Mode:ConvectionPower Bandwidth (+,-3 dB,reference 0<0.10%Output Topology:dB at 1 kHz,where 0 dB ref.=rated outputTrue complementary symmetrypower in any mode).IMD [SMPTE 4:1](at rated output power),Output Type,Any Mode:Any Mode:Dual Mode:Unbalanced,each channel10 Hz-50 kHz<0.1%Bridge Mode:Balanced