Quote
if i take the co lines out of the viking it wont hum on ring in.

Ok. How about a page with them disconnected? Does that hum?

The Viking and the Bogen should be with each other. The output of the Viking is the 600 ohm audio out (7&8) that should be connected to the Bogen T&R with a twisted pair or preferably 2 conductor shielded cable. Shield goes to the GND screw on the Bogen.

-Hal

Last edited by hbiss; 10/13/15 01:59 PM.

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