MOTM

Make DARN sure that the polarity on the 12V wall wart you are using 
is not reversed if it outputs a DC voltage, or that you are not using 
a wart that provides ACV instead of DCV. 

Moe

--- In motm@yahoogroups.com, "edibennardo" <endiendi@t...> wrote:
> A little help through your precious opinions:
> In the manuals of all MF models it is indicated that the units can 
be 
> powered up to 15V so I often use 12V instead of 9V i.e. well the 
only 
> problem is with the MF104, at 9V it works fine, if I select 12V the 
> dry signal is still fine but the wet is distorted and a consistent 
> hum (rather loud) is added to the sound. When it first happened I 
> wrote to moogmusic, I was using only one type of wallwort at that 
> time with voltage selectable and 1A of current, they said it is 
> strange, it seems that F104 doesn't like 1A and 12V, now I tried 
with 
> all kinds of power supplies and I can say that the problem is still 
> there at 12V, yet I can say that at 9V there's no problem but I can 
> not say that the sound of the unit is so fantastic so maybe there's 
> something wrong and defects are justs enhanced at 12V? Any thoughts?
> Many thanks
> Enrico (Italy)