Thanks, guys. The price was right and I couldn't pass it up.
I really like the way the dark face sets off the silver knobs on the front panel.
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From what I can see in the Studio 1M manual, it is 2X30 watts, also. That's probably peak, not RMS, which would be lower. It's music power that's listed at 2X60 watts. I think that's simply a momentary figure .
To make a long story short, the only power difference is in the capacity to handle short, momentary waveform peaks. Basic power capacity is the same between the two models.