TX-6 an OP-1f weird distortion

Hello folks

I have just unpacked my TX-6 and am in the process of trying it out. Everything seems to work fine with my OP-Z via normal jack cable, but as soon as I plug in my OP-1f, the sound starts to distort at medium and loud volumes.

Software update is done, I have already reset the TX-6 several times but it stays that way. Neither the OP-1F nor the TX-6 are in the red zone and I don’t know what to do.

The problem persists with each of the six channels, regardless of whether the OP-Z is connected or not.

Am I doing something wrong or have I once again received a defective device? This would be the fifth time…

Thanks in advance!
Cheers

Have you Tried disabling the usb charging?

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