Rlew - I intended my reply to be a direct answer to your question. There will be a difference and it is mostly due to the speaker designs being inherently different. The amplifier power level is largely irrelevant assuming you are comparing same sound pressure levels - something your question implies.
Isellstuff - The volume knob position has nothing to do with power output whatsoever. If you used a power meter to calibrate it, ok, but if not, you have no way of telling what the actual power output is in absolute terms. Arthur
