Hello,

I don't see a problem as the A-100MC uses an external power supply
(transformer). You only have to pay attention that there is sufficient
distance between the supply and the reverb tank (and that there are no other
magnetic troublemakers near the reverb tank).

Best wishes
Dieter Doepfer

> -----Ursprüngliche Nachricht-----
> Von: Doepfer_a100@yahoogroups.com [mailto: Doepfer_a100@yahoogroups.com ]
> Gesendet: Montag, 17. Dezember 2018 13:01
> An: Doepfer_a100@yahoogroups.com
> Betreff: 1 A-199 Spring Reverb in a A-100 Mini Case. Good
> idea
>
>
> Hi all,
>
>
> I am considering buying a A-199 Spring Reverb module and put it
> into a A-100 Mini Case. Of course, the Spring Tank would be
> outside of the box but I am worried about the hum noise
> considering what the manual says:
>
>
> As the hum noise is mainly caused by the magnetic
> field of the power supply transformer we recommend
> the usage of the special A-100 power supply with ring
> core transformer (A-100PSU2) instead of the standard
> power supply (A-100NT12) for all A-100 systems that
> include an A-199 module.
>
>
> I don't know if the power supply version 3 is the right choice for it.
>
>
> Here is a picture:
>
>
> https://drive.google.com/open id=1IvfdOdd29-2JoFCG2OU0rsoJtNL52vgv
>
>
>
> Thank you so much in advance.
>
>
> Alex
>