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Frequency Response
MIC INPUT TO MIX OUTPUT
LOAD INDEPENDENT
±0.1dB (20Hz to
20kHz)
< -104dBu (20Hz to
20kHz unweighted)
THD and Noise at +22dB Output
THD into 600Ω @ 1kHz 0.0013% (0dBu), 0.0009% (+18dBu)
THD into 150Ω @ 1kHz 0.0010% (0dBu), 0.0012% (+18dBu)
THD into 60Ω @ 1kHz 0.0024% (0dBu), 0.0016% (+18dBu)
THD into 32Ω @ 1kHz 0.0040% (0dBu), 0.0077% (+17dBu)
Noise
Maximum Output Level
Dynamic Range
LOAD DEPENDENT +22dBu, typically
+18dBu into all phones
>122dB
Crosstalk
Output Impedence
Maximum Output Power
POWER INTO 600Ω
POWER INTO 150Ω
POWER INTO 60Ω
POWER INTO 32Ω
+22dBu @ 0.0010% THD = 317mW>
+21dBu @ 0.0012% THD = 1W
+20dBu @ 0.0080% THD = 2W!
+17dBu @ 0.0080% THD = 2W!
ASP8024 Heritage Edition comes with a high-current reference headphone amplifier provided
as the ALT3 monitor output destination. The new design features a 250mA high current output
stage based upon class leading Burr-BrownTM and LM4562 high-speed amplifiers. The output is
entirely D.C coupled with very low output impedance for all types of headphones and there is only
one main capacitor in the signal path for very low distortion and sonic performance!
Headphone Amplifier
REFERENCE HEADPHONE
STAGE
< -80dB 10Hz to 10kHz,
typ. -82dB @ 1kHz
< 10Ω DC Coupled
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