"Chris Breitner" wrote in message
m...
Hey Everyone. I can't seem to find the answer and/or product to
satisfy my needs: a phantom power filter/remover.

I have a ribbon mic I'd like to gig with, and the PA systems we use
normally plug into have an all-channels-on/off for the phantom power.
Our vocalist uses a condenser mic, so she needs it on. If the phantom
power hits my ribbon mic, it might permanently damage the ribbon
element.

Does anyone know of a DIY homebrew solution?

Two options :
1:1 Isolation Transformer - The better Transformers usually cost more and it
is not difficult to spend $100 on a decent Transformer ...

Capacitors in Series with the Signal - 47uF is usually adequate but can
depend on the input impedance of your mixing desk - typically 1K or so which
will give you low Frequency rolloff with a -3dB point of 3Hz Of course the
Desks internal Decoupling Caps will be in Series with this so this will
probably raise your -3dB point to 7 Hz or so.

D Pin 2 ---------------||--------------- Pin 2 of the Mic
e +ve
s Pin 3 ---------------||--------------- Pin 3 of the Mic
k Pin 1 ------------------------------ Pin 1 of the Mic

Arent Ribbon Mics a bit delicate to take on the road ???




Regards
Richard Freeman