@martinguitars Hope you're back on thread. Don't feel picked on by miller, he can't help it, he does it to everyone. He will never reform, he thinks too much of himself. Best to just ignore him like the rest of us do.
In almost all affected speakers, low impedances occur only across short frequency ranges.
Low impedance points at bass frequencies causes amplifiers the most problems.
The phase angle at low impedance points should also be examined. Where this is low, it should not cause the amp too much difficulty. But a combination of low impedance and high phase angle at any point will mandate a more muscled amp.
Some of us remember the Apogee Scintilla that had an average impedance of pretty well 1 ohm. In those times only big Krells could drive them. Things are better now.
In almost all affected speakers, low impedances occur only across short frequency ranges.
Low impedance points at bass frequencies causes amplifiers the most problems.
The phase angle at low impedance points should also be examined. Where this is low, it should not cause the amp too much difficulty. But a combination of low impedance and high phase angle at any point will mandate a more muscled amp.
Some of us remember the Apogee Scintilla that had an average impedance of pretty well 1 ohm. In those times only big Krells could drive them. Things are better now.