New answers tagged mixing
1
Good will not be on the table for this. Slightly less buzzy? maybe. Check out Izotope RX - there is a de-hum and de-clip module. These may help.
1
RCA 1 Sig -> 10k (R1) -> XLR pin 2
RCA 2 Sig -> 10k (R2) -> XLR pin 2
RCA 1 GND -> XLR pin 1
RCA 2 GND -> XLR pin 1
XLR pin 3 -> XLR pin 1
This implements a passive summing mix of both RCA signals across an unbalanced connection on an XLR
1
The tips (signal) of both RCA connectors need to land on pin 2 (hot) of the XLR connector, which would give you a rigged (but would work) passive summer. Sounds like that's not how that cable is wired. Based on your description, I'm guessing one of the RCA connectors is going to pin 2 and the other to pin three, which would give you the behavior you saw.
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