ElectroVoice-AP3200-pwr-维修说明书手册含电器原理图

ElectroVoice'a MARK IV companyModel AP3200Two-ChannelPower AmplifierSPECIFICATIONSPower Bandwidth (+0,-1 dB,reference 0IMD [SMPTE 4:1](at rated output power).dB at 1 kHz,where 0 dB ref.=rated outputAny Mode:Conditions:power in any mode)<0.059%1.0 dBu=0.775 V rms20H2-20kH2TIM [DIN 100](at rated output power),2.Dual-mode ratings are for each channel.Any Mode:3.Both channels operating at rated outputFrequency Response (ref.1 kHz,1 wattoutput.+0,-3 dB):<0.050%power unless noted.10 Hz 90 kHzRise Time4.120-volt ac line voltage maintained(10%to 90%,at rated output power),throughout testing.Voltage Gain (reference 1 kHz).Any Mode:Continuous Rated Output PowerDual Mode,4 or 8 Ohms:<6 usec36 dB(20 Hz-20 kHz,30 kHz measurementSlew Rate (at rated output power).Bridge Mode,8 or 16 Ohms:bandwidth),Dual Mode,4 or 8 Ohms:42 dB>30 WlusecDual Mode,4 Ohms:600 watts/ch at <0.10%%THDInput Sensitivity for Rated Output PowerBridge Mode,8 or 16 Ohms:>60 VusecBridge Mode,8 Ohms:(reference 1 kHz),1200 watts at <0.10%THDDual Mode,4 Ohms:Damping FactorDual Mode,8 Ohms:+0.2 dBu (0.79 V rms)Dual Mode,8 Ohms,400 watts/ch at <0.05%THDBridge Mode.8 Ohms:20Hz1kHz:>250+0.2d8u(0.79Vfms20kHz:>75Bridge Mode,16 Ohms:Dual Mode,8 Ohms:Channel Separation (below rated output800 watts at <0.05%THD+1.4 dBu (0.91 V rms)power,single channel operating):Continuous Rated Output Power to SubwooferBridge Mode,16 Ohms:>80 dB at 1 kHz(20 Hz-1 kHz at less than 0.1%THD),+1.4 dBu (0.91 V rms)Noise (below rated output power,ADual Mode.40:650 watts/chweighted,any mode):Maximum Input Level (reference 1 kHz):>100dBBridge Mode,80:1300 watts+20 dBu (7.75 V rms)Dual Mode,80:420 watts/chAmplifier Protection:Bridge Mode,160:840 wattsInput ImpedanceExcessive output voltage(per channel,20 Hz-20 kHz),Shorted loadsMaximum Midband Output PowerBalanced:Excessive phase shift(reference 1 kHz,1%THD),>30 kilohmsRF inteferenceDual Mode,4 Ohms:Unbalanced:Over temperature725 watts/ch>15 kilohmsLoad Protection:Bridge Mode,8 Ohms:Startup/shutdown transients1450 wattsPhase Responsedc fault(at rated output power,any mode).Dual Mode,8 Ohms:at 20 Hz:Infrasonic signals450 watts/chLow ac line voltage<+25 degreesBridge Mode,16 Ohms:Cooling:at 20 kHz:900 watts2-speed fan>-15 degreesOutput Topology:Dynamic HeadroomTHD (at rated output power,30 kHzTrue complementary symmetry(reference 1 kHz,1%THD)measurement bandwidth).Output Type,Any Mode:Any Mode:Dual Mode:Unbalanced,each channel≥0.25dB<0.10%Bridge Mode:Balanced