Noisefloor on Right channel

[marcus.lutz]

I have the same: right input is around 20 dB more noisy than left input and it makes no difference if something is put in or not. This happens with every power supply, cable or battery that I have tested. Can you tell us what the solution was? What do...

[marcus.lutz]

I have the same: right input is around 20 dB more noisy than left input and it makes no difference if something is put in or not. This happens with every power supply, cable or battery that I have tested.

[marcus.lutz]

Hello,
my newly acquired Blackbox has a permanent noise floor of -47 dB even with no input cables and independently from the power source. The left channel shows -61dB. This happens with different USB cables and also when powered from battery....