"N_Cook" wrote in message
...
with USB connected but no active pc. Hash on both channels of headphone
monitoring, cycling through on about 1.1 sec period. Worse when phantom is
on so maybe something with the 5 to 48V generator. Will try a few IC
numbers
to check DC rails, check ESR of caps and disable unused 48V supply is
about
as far as I will go.




Isn't the Mbox Mac only?



Gareth.