Great feedback, guys...very much appreciated...
I tried the Behringer mixer, which is slightly heavier but similar in size to the Tonematch. I rarely use it and it didn't occur to me until I was doing a voice check that it has no effects! Ugh. I ran back to the car, grabbed the tonematch and swapped it out.
I wound up running the keyboard into the mixer as I always have, and added a 2nd cable coming out of the voice processor. A 1/4" out of the tonematch to one Compact. Another 1/4" from the 1st Compact to the 2nd.
It sounds pretty damn good.
The suggestion that I'd be dissatisfied with the low end seems bizarre to me. There was ample low end, almost too much. Plenty of power, crystal clear vocals (almost studio quality) and other than having no sustain all night, it sounded terrific. One Compact will be PLENTY for 50-60% of my NH's.
If I use the Yamaha box mixer, it may be a truer stereo mix, but honestly, I'm not sure. I know the connection chain tonight wasn't stereo, but still very good. Tomorrow, I have a 5 hour (that's right, a 5 hour) gran opening for a new AL in the area. I'll use the Yamaha tomorrow and come out of the R/L outputs and see if I can hear a difference, and just how much.
You learn so much from nights like tonight. You learn what works, what doesn't and what might...
I suspect I will happily live with the tonematch going forward. Which will drop the price a bit of the L1M1 I'll be selling very soon. Hmmm, I paid $2500 for the L1 & Tonematch several years ago, its clearly worn, but works perfectly. I have the owners manual, the boxes it was shipped in. The cases are shot.
I think I'll be looking in the range of $1300-1500 for the L1...
If you're interested or know someone who is, pass this along to them, along with my contact info. I'll be posting it formally soon, but SZ was always going to be my first attempt...
I am tired...good night.............
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Bill in Dayton