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I typically agree with Ralph...

but not this time. Not at all. If such were the case, it would be even more reason to forget about tubed gear, which is typically current limited, and to go with SS gear, which typically isn't.

Speakers are voltage driven. So long as there is enough current to support the required EMF to control and drive the motor structure as the impedance changes dynamically, that's all that is needed. This is one advantage that tubed gear has i.e. there's less potential for clipping as the tubed gear typically has a higher rail voltage with adequate current capacity for most loads.

When you start getting into very low impedance loads, the tubed gear runs out of current causing the rail voltages to sag and induce clipping / loss of control. That "loss of control" is what gives tubed gear "mushy" bass. Having said that, it is the lack of voltage swing capacity i.e. lower operating rail voltages in SS gear that causes it to clip much harder and more noticeably i.e. smeared treble and sibilance.

Ideally, an amp would operate with very high rail voltages and near unlimited current capacity. This would give us the best of both worlds, so long as the other pertinent criteria were easily met too. Sean
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