Ran the same test on all the DAC preamps I have:
Cambridge DACMagic+
L: 0
R: 0
Mytek Brooklyn+
L: 0.6
R: -0.1
MSB Analog:
L: 0.3
R: -0.3
None of the other preamps have the buzzing problem with the Creek amp. Compared to the measurements from the Wadia this doesn't look so bad.
Cambridge DACMagic+
L: 0
R: 0
Mytek Brooklyn+
L: 0.6
R: -0.1
MSB Analog:
L: 0.3
R: -0.3
None of the other preamps have the buzzing problem with the Creek amp. Compared to the measurements from the Wadia this doesn't look so bad.