Supratek and Synergistic Active Shielding

I 'm getting a great deal of hum from the active shielding
on the output RCA's. I'm using Nagra VPA and a Grange. The phono is worse than the line stage. Swapped iC and PC's, bpt 3.5 and Powercell.

Cr

crubio05-05-2009 12:03am

Showing 2 responses by crubio

crubio OP Details Discussions Posts This discussion Message User 89 posts 07-05-2009 at 06:54am Copy Comment URL Report Comment Edit Delete well, my grange has the inputs wired backwards at the pot. All the right channels are actually left.
crubio OP Details Discussions Posts This discussion Message User 89 posts 07-02-2009 at 12:13am Copy Comment URL Report Comment Edit Delete So I found the issue was with the ground wiring on the pre, the active shielding was just highlighting the problem. Supratek is great but a bit sloppy.

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