A long-time Tannoy dual concentric enthusiast, I recently auditioned, at Coherent Audio, a pair of the Model 15s (non-beryllium version). Suffice to say, I put down a deposit and expect to take delivery in the next week or so. Unlike many of you posting on this thread, I've always preferred solid-state—high-power, high-current solid-state—to tubes. However, as with a good pair of Tannoys or Altec/GPA 604s, the high-nineties sensitivity of the Model 15 comes with some seriously high power handling, so one can use virtually any amp, from the 2A3-based tubes amps of 3.5 Wpc that Frank uses to demo the speakers, to the 1500 Wpc amp I'm current enjoying from D-Sonic in Texas. Will endeavour to report in the coming weeks on how I find the Model 15s compared to my trusty Tannoy System 15 DMT II (now 25 years old),
