Budt wrote:
"The Model 1 SignaturesÂ’ frequency response is rated from 50Hz to 20kHz +/- 3dB, with a sensitivity rating of 87dB/W/m. They are also a 4-ohm load and in my experience, not the easiest speaker to drive."
Which is why I was surprised that they sounded as good as they did with the 50W/Channel Music Hall Trio system, and says something about the amplifier section ability to step up to a lower impedance load.