> Yahoo !
>
> I got it : ferrite.
>
> I replaced the long RCA cable by a shorter one thru a ferrite ... and
> it works better than well : terrificaly well.
>
> Hum noise almost desappeared : I reach distortion before I can ear it.
>
> Summary :
>
> 1/ change springs unit position
> 2/ replace RCA cable by a shorter one thru a ferrite
>
> NB : I took my ferrite appart from a no longer used hard drive power cord.
>
> Cheeerrs 'o'

Thank you for this information. That's very interesting and I'll keep it in
mind in case that another user will reporrt similar problems (even with
PSU2).

Best wishes
Dieter Doepfer