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I would add some nice covers or cover rings, to cover the screws of the woofer and tweeter or the whole drivers.

Incredible price

The drivers are very expensive about 1500$ Purifi and Blisma and much more expensive than most other bookshelf speakers with a 5000$ pricetag per pair. But in the end I would agree that you can't win any price performance contest with these speakers... P.S. you can reduce the price to 3500€ by...

With small subwoofer it seems that the damping material doesn't change much in a small enclosure. So in this model the enclosure is assumed to be bigger with damping material and there are no other changes?

Very interesting! Since you didn't write anything about objective data it seems that you can't measure the positive change right? Can you detect in which frequency range the negative impact happen is it around the resonance frequency of the driver or above? Thank you for the links interesting...

From my experience this is impossible if you stuff the typical material. Even if you use very dense material like footfall sound insulation plates wich are dense you will increase the virtual volume of the box. Yes you are right if the material is in some way processed that it is more like a...

Yes it shows the positive effects of damping material if you transfer the outcome to a closed box. But it doesn't says anything if there are or can be negative effects of to much damping material in a closed box.

They use surprisingly few damping material in the mid range driver of there ones. Yes but the damping factor only counts for the resonance frequency and you can adjust it with the volume and damping to your liking so that part isn't so interesting for me since it is documented in multiple ways...

Hello, from my experience a lot of midrange and bass enclosures sound much better with a lot of damping material in it. I often use very dense material for the walls and stuff a lot of usual material in the box so that it is very compressed with the exception directly behind the driver. The...

The KH420 can deliver about 7dB to 10dB more spl in the bass compared with the Genelec 8351. Below 35Hz they fade out at about 30Hz. So if that is enough for you? I wouldn't spend that money for the relatively small difference. Since you can get two very good subwoofer which you can even...

You can't get loud and deep bass at the same time in a small box! All the monitors you considered won't make a big difference in max spl and or deep bass spl compared with the Genelec you already own. Even the biggest monitor you are considering the KH420 can't deliver deep bass with high spl...

You have to be aware of the studio environment. With lightly or no compression you very often get 110dB peaks without a higher mean spl. You can't compare this with the typical music listener experience... Edit: you also have a lot of people with hearing damage so they also often want or need a...

As others already indirectly said all monitors you mentioned are way underpowered if the Genelecs aren't loud enough. Loud and deep bass with high fidelity is very expensive and big. PA as Top and two cinema/ home subwoofer with 18" or 21" driver should bring enough power and is the best price...

There are thousands other good explanations why the test was conducted in this way. So why you choose to use the interpretation where the autor looks the worst? Clearly the case? Even the simple explanation that he thinks or had thought his test is or was good enough to prove his point is next...

First I didn't posted the video. Second you are into science, so please ask experts on communication science what they think about the communication here and especially your post. I think with such communication a negative conflict spiral is very hard to avoid. Even if you think he did it wrong...

No it is straight up poor communication skill you can say exactly what you want to say in a nice and respectful manner and you not weaken any of your points to the contraire your arguments gets way more weight and value since you stay constructive and respectful, which is a sign of an...

Even if you are right with some points, I don't like the way you address your criticism. As a thought experiment you can switch the role with Frank and think of the reaction from his perspective. He has put in the effort and did a test. I am sure if the criticism is brought to him in a...

This is the perception threshold of a pure tone and the equal loudness curves. There are other none linear curves for every single none linear distortion. Like one curve for the h2 harmonic distortion and so on. I know for some distortions you have to calculate the specific threshold which...

Thank you for the explanation. So the spl of the 20Hz tone is different for every subwoofer in these measurements? How loud is the 20Hz tone? Did anyone know a perception threshold for such distortion? It would be very good to include a rough perception threshold in every none linear...

I honestly don't know how big a potential modulation distortion problem is in comparison with other abilities, that is why I asked the question. I guess that multi tone distortion is most important since in higher frequencies this is the case. With lower frequencies the distortion perception...