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RE: Magnepan LRS

Posted by pictureguy (A) on February 21, 2021 at 21:11:03

In Reply to: RE: Magnepan LRS posted by emailtim on February 21, 2021 at 18:33:27:

How did FIR filters get into this?
My panels are low 80s sensitive and I just was looking at Klipsch speakers which THEY call 99db sensitive but Stereophile calls >96db.....Magnpan makes some claim but at 2 watts / 2.83v not the 4 ohm requirement for same 1 watt.

You lost me with the filter thing.....Though I'm used to the 10db / 10x calculation. If my panels were 10db LOWER in sensitivity OR my amps 10db lower in output? I'd be running nearly at redline when turned 'up' on a weekend afternoon...

And I've seen plenty of power / distortion curves @stereophile. Starts at some low level at miniscule power than slopes lower until hitting a null than more sharply upward to amp power limit....Call it 1%, just for the sake of discussion. That may play into 'needed' power for a given speaker in some way.
But it would also seem that distortion is either inaudible or of vanishingly Low audibility run below amp clipping, IF you agree 1% is a reasonable upper limit.

Link to the MiniDSP 'mini' article on FIR vs IIR Filters. All done or CAN be done in the digital domain which starts me asking more questions.
Too much is never enough

• https://www.minidsp.com/applications/dsp-basics/fir-vs-iir-f   (Open in New Window)

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