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How Much Amplifier Power is Needed to Drive My speakers? Do the Math!
The question is often asked, how much amplifier do I really need; is my 80 watt per channel AVR going to drive my speakers to an appropriate listening level? One way to answer the question is to use …2 · -
Re: LSiM 705 have arrived
Those graphs were made with SignalScope on my iPhone.1 · -
Re: LSiM 705 have arrived
The answer to your last question is, yes and no. With music, it depends and only happened when there was fairly strong content in the mid-bass frequency range. Also, this type of harmonic distortion …3 · -
Re: LSiM 705 have arrived
The top graph is the "bad" left speaker and with a ~250 Hz signal, you can see the harmonics at 500 and 750 Hz are only 20-30 dB down and there is lots of hash at higher frequencies. With t…2 · -
Re: LSiM 705 have arrived
As to the original 705 that I needed to replace, there was very obvious harmonic distortion coming from the mid-bass driver that would stop if you touched it. See attached jpgs for the good right and…3 ·