Nuforce STA200

Sort of a newbie question:  I’m thinking of buying a second STA-200 in case I decide to add a second system to my house. In the meantime, is there a way to use both amps as monoblocks?  I could rebuild the x-overs on my diy speakers to biwire and run one amp for tweeters and another for woofers, but I’m not sure how I might run one amp per channel.

The STA 200 is not bridgeable, meaning you cannot combine both channels to make a single higher wattage amp ( usually impedance capability changes with the amp when you do this ). However, when you separate the crossover of the speaker, as you suggest, you can either horizontally biamp ( passively ), or vertically biamp ( again passively ), with 2 amps. Your example would be horizonal passive biamping. Each of 1 amps channels running the woofers, the other amps channels running the rest. Vertical ( which I prefer, based on my own listening ), would be each amplifier " dedicated " to 1 speaker, 1 channel to woofer, 1 channel to rest of speaker. This all works well when both stereo amps are the same. I hope this helps. Enjoy ! MrD.

Thanks MrD.  With vertical bi-amping, what happens (if anything) to stereo imaging if both R and L channels are powering the drivers in one speaker?

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Maybe I’m overthinking this-  if one amp’s R and L channel play thru one speaker, and the other amp does the same thing thru the other speaker, do you get the same stereo separation as if you were using one amp?