help with snake please!

[RevF]

Hi,

Hope someone more electrically minded than me can help with this?

I inherited a snake (8 way, 1 wall box, a floor box and ~15m of cable).
It works fine for dynamic mics - but for condensers I just get buzz (no mic sound) through my Alesis Studio 24 desk.
Should I not be able to get global phantom power down a snake without it just buzzing?
As a possible clue, the buzzing stops if, when holding the mic, I earth on some other kit.
Could it be wrong pin wiring? - Or just the effect of global 48V going down a single run of cable on 8 lines?
Thanks!

[MONTE]

It should work. Make sure your phantom power is there (Is there 48v coming out of the board?) and ohm out your snake (pin1 on one end to pin 1 on the other, pin 2 on one end to pin 2 on the other, pin 3 on one end to pin 3 on the other). It could be that someone wired the snake wrong.