Specifications: SEIN/SE OUT BAL IN/SE OUT SE IN/BAL OUT BAL IN/BAL OUT THD+N <0.00006% <0.00007% <0.00007% <0.00012% @1kHzA-wt @Output=500mW (32Ω) @Output=500mW (32Ω) @Output=2000mW (32Ω) @Output=2000mW (32Ω) <0.00006% <0.00006% <0.00006% <0.00008% @Output=80mW (300Ω) @Output=80mW (300Ω) @Output=320mW (300Ω) @Output=320mW (300Ω) THD <0.0002% <0.0005% <0.0002% <0.0002% @20-20kHz 90kBW @Output=500mW (32Ω) @Output=500mW (32Ω) @Output=2000mW (32Ω) @Output=2000mW (32Ω) <0.0001% <0.0003% <0.0001% <0.0001% @Output=80mW (300Ω) @Output=80mW (300Ω) @Output=320mW (300Ω) @Output=320mW (300Ω) SNR 141dB 136dB 144dB 137dB @MAX OUT 1kHz A-wt Dynamic Range 141dB 136dB 144dB 137dB @1kHzA-wt Frequency Response 20Hz-40kHz (±0.05dB) 20Hz-40kHz (±0.1dB) 20Hz-40kHz (±0.05dB) 20Hz-40kHz (±0.05dB) 10Hz-100kHz (±0.1dB) 10Hz-100kHz (±0.5dB) 10Hz-100kHz (±0.1dB) 10Hz-100kHz (±0.1dB) Output Level 21Vpp @G=L 21Vpp @G=L 18Vpp @G=L 18Vpp @G=L 21Vpp @G=M 21Vpp @G=M 42Vpp @G=M 42Vpp @G=M 21Vpp @G=H 21Vpp @G=H 42Vpp @G=H 42Vpp @G=H AP measured noise level <0.7uVrms @G=L <0.7uVrms @G=L <0.9uVrms @G=L <0.9uVrms @G=L @A-wt <0.7uVrms @G=M <0.7uVrms @G=M <0.9uVrms @G=M <0.9uVrms @G=M <1.2uVrms @G=H <1.1uVrms @G=H <2.1uVrms @G=H <2.1uVrms @G=H Actual noise level * <0.3uVrms @G=L <0.3uVrms @G=L <0.7uVrms @G=L <0.7uVrms @G=L @A-wt <0.3uVrms @G=M <0.3uVrms @G=M <0.7uVrms @G=M <0.7uVrms @G=M <1.0uVrms @G=H <1.0uVrms @G=H <2.0uVrms @G=H <2.0uVrms @G=H Input sensitivity 13Vrms @G=L 9.2Vrms @G=L 13Vrms @G=L 9.2Vrms @G=L 8.0Vrms @G=N 8.0Vrms @G=M 7.8Vrms @G=M 7.8Vrms @G=M 1.9Vrms @G=H 1.9Vrms @G=H 1.9Vrms @G=H 1.9Vrms @G=H Gain -12.0dB @G=L -12.0dB @G=L -6.0dB @G=L -6.0dB @G=L 0dB @G=M 0dB @G=M 6.0dB @G=M 6.0dB @G=M 11.9dB @G=H 11.7dB @G=H 17.9dB @G=H 17.7dB @G=H Output Impedance <0.1Ω <0.1Ω <0.2Ω <0.2Ω Input lmpedance 10.0kΩ @G=L 2.0kΩ @G=L 10.0kΩ @G=L 2.0kΩ @G=L 2.5kΩ @G=M 2.0kΩ @G=M 2.5kΩ @G=M 2.0kΩ @G=M 2.5kΩ @G=H 2.0kΩ @G=H 2.5kΩ @G=H 2.0kΩ @G=H Output Power 2150mWx2 @16Ω THD+N<0.1% 3500mW x 2 @32Ω THD+N<0.1% 1400mW x 2@32ΩTHD+N<0.1% 2700mW x 2 @64Ω THD+N<0.1% 190mW x 2@300Ω THD+N<0.1% 760mW x 2@300Ω THD+N<0.1% 100mW x 2@600Ω THD+N<0.1% 395mW x 2@600Ω THD+N<0.1% Load lmpedance >8Ω * Note: The actual noise level is obtained by boosting the noise of A50 III by 40dB using a low noise amplifier in front of the APx555B then dividing the measured noise by 100 times.
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