Hum reduction with preamp pedal (a solution)

[Brian_McGibney@mindlink.bc.ca (Brian McGibney)]

After trying many things to try to reduce the hum with my 145/combo pedal I
ran a jumper from the case of the pedal to a copper piped over head-voila
hum dropped way down.  Swapped the two conductor ac for  a three pronger and
what a difference.  I can't see how this can do any harm.  

BTW I notice both hammond and leslie amps are not shielded on one side
(where they are screwed down to the wood.  Has anyone tried shielding this
sied with a metal plate.  Any improvement?  Any other thought on trying to
get the noise floor down.

briguy

bri guy