odessamarin
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- Nov 19, 2018
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If levels are not carefully matched by precise measurements of voltage levels you will inevitably hear differences. Match them properly and the differences will disappear as if by magic. So here you have your explanation.
No, this explanation did not work.
I measured output levels.. both boards demonstrate identical levels.
Here is the results.
I played this file
Audio test - 99 - Max Level Tone _ 1kHz sine wave at 0dB FS.wav
Measured DAC amp output levels at three different attenuation levels.
- 10dB 1.27 VAC
- 5dB 2.26 VAC
0dB 4.09 VAC
Seems, this is not the reason why they sound different. Unfortunately. Not that easy.