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Purifi SPK5 Speaker Review (Prototype)
- Thread starter amirm
- Start date
I made PuriWave in a vented box
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I am satisfied, but now looking for something else. I posted a detailed feedback at HiFiCompass PuriWave page
The bass is a bit dry but very fast, especially when I plug the ports. Highs are gentle, not tiring. Lately I noticed that I probably prefer mid-bass drivers with higher second harmonic: Wavecor, Scanspeak
The passive radiator might sound differently. I should have probably tried it, but didn't want to take a risk and added a 12" sub instead to cover the first octave 20-40Hz.
If you use a PC or RPi source you can test that out for yourself.
Yes, I've already tested it. The purifi drivers have lower THD in general, but the 3rd harmonic is dominant at some low frequencies. My second setup 7" Wavecors have a bit higher THD but mostly because of the 2nd harmonic. So the bass feels much fattier and satisfying
No, I mean you can add harmonic distortion in DSP and find out what kind and how much you like with what kinds of music.
Ah, I don't think I like harmonics at all. Would never add them on purpose. What I feel is that the 2nd harmonic in Wavecor represents some kind of soft compression. Similar to what you have in guitar tube amp compared to the transistor push-pull. Or AlNiCo guitar speakers. The excessive energy during the low freq peaks is pushed into the 2nd harmonic which does not cause the IMD in mid range. That's just my theory
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