From cliffspencer@cliffspencer.com Thu Apr 10 11:31:52 2008
Subject:Re: Why not Wye
I did this for years for my electro and Yamaha P120. I created a
Y-cable that had resistors to ground on each plug (I forget the value)
to essentially create a passive mixer inside the cable. I needed this
because I was feeding both into a Mackie SRM450. I had a little loss
in gain, but other than that it was great. By playing with the
resistor values, you could customize the gain for each keyboard too.
-cliff