A900 Headphone Amplifier specifications BAL IN/SE OUT THD+N @1kHz A-wt <0.000060% @Output=500mW(32) <0.000055% @Output=80mW(300) THD @20-20kHz 90kBW<0.00006% @Output=500mW (32) <0.00005% @Output=80mW(300) SNR @MAX OUT 1kHz A-wt143dB Dynamic Range @1kHz A-wt143dB Frequency Response20Hz-40kHz(±0.05dB) 10Hz-200kHz(±0.1dB) Output Level30 Vpp @G=L 30 Vpp @G=M 30 Vpp @G=H AP Measured Noise Level @A-wt<0.7uVrms @G=L <0.9uVrms @G=M <1.5uVrms @G=H Actual Noise Level* @A-wt<0.3uVrms @G=L <0.7uVrms @G=M <1.4uVrms @G=H Channel Crosstalk @1kHz-105dB Input Sensitivity22.0Vrms @G=L 7.0Vrms @G=M 2.1Vrms @G=H Gain-6.1dB @G=L +4.3dB @G=M +13.8dB @G=H Output Impedance<0.1 Output Power6000mW x 2 @16 THD+N<0.1% 3000mW x 2 @32 THD+N<0.1% 1550mW x 2 @64 THD+N<0.1% 660mW x 2 @150 THD+N<0.1% 330mW x 2 @300 THD+N<0.1% 165mW x 2 @600 THD+N<0.1% Adapter Impedance> 8 BAL IN/BAL OUT THD+N @1kHz A-wt <0.000060% @Output=500mW(32) <0.000055% @Output=80mW(300) THD @20-20kHz 90kBW<0.00004% @Output=500mW (32) <0.00003% @Output=80mW(300) SNR @MAX OUT 1kHz A-wt151dB Dynamic Range @1kHz A-wt151dB Frequency Response20Hz-40kHz(±0.05dB) 10Hz-200kHz(±0.1dB) Output Level60 Vpp @G=L 60 Vpp @G=M 60 Vpp @G=H AP Measured Noise Level @A-wt<0.7uVrms @G=L <1.2uVrms @G=M <2.5uVrms @G=H Actual Noise Level* @A-wt<0.3uVrms @G=L <1.0uVrms @G=M <2.3uVrms @G=H Channel Crosstalk @1kHz-153dB Input Sensitivity22.0Vrms @G=L 7.0Vrms @G=M 2.1Vrms @G=H Gain-0.1dB @G=L +10.3dB @G=M +19.8dB @G=H Output Impedance<0.1 Output Power22000mW x 2 @16 THD+N<0.1% 14000mW x 2 @32 THD+N<0.1% 7000mW x 2 @64 THD+N<0.1% 3000mW x 2 @150 THD+N<0.1% 1500mW x 2 @300 THD+N<0.1% 750mW x 2 @600
THD+N<0.1% Adapter Impedance> 8 *Note: The actual noise level is obtained by boosting the noise of A900 by 40dB using a low noise amplifier in front of the APx555B then dividing the measured noise by 100 times. A900 Pre-Amplifier
Specifications
Output Impedance: 100