I also stated it depends on the room.
I said 8 to 16 and depend on your room, but you have to pick "8....is BS", well thanks for being nice, can't imagine if you didn't...
I had no arguments with that, once clarified, didn't you noticed I thanked you for your follow up post?
I am going to stay calm by ignoring your calling me...BS.... stuff, now please read below with patience if you don't mind.
Ascend said 92dB 1W 1m, "in room". You do your math, at 3m you need 9W, or 16W for 4m. In reality most room will get more than 2 dB gain as distance increases beyond the specified 1m; and that should get you back to the 95dB that you said was your maximum at 4m.
I have done some quick calculations, at 6m that you said you were listening from you speakers, you need about 72W to get 95 dB base on only 2 dB of room gain but again in reality you will find that 36W will get you there with the room gain you should likely (not 100%) be getting from that kind of distance, but it really depends on your room geometry. I do not use googled spl calculators as I can have more flexibility creating my own table using Excel, but you can use the those online calculators to do your own, just pick a good one though. I am sure you already know to gain 3dB spl you need to double the watts and for doubling the distance you need to quadruple the watts. If you have low impedance speakers you have to factor that in too but Ascend provide watts/W @1m instead of the 2.83V/W @ 1m that others typically provide so it makes calculations simpler.
I think you misunderstood my point about what improvements you claimed you were getting. You get what you perceived and I have no arguments at all with you. All along I have been simply cautioning other readers to be careful when they see people using adjectives of their choices about the improvements they perceived, they may not perceived the same if and when they follow suit and upgrade, that was all.
The "mistakes" you perceived in my calculation is not mistakes, it is about the stated assumptions and approximations, I could have stated an assumed room gain, but I thougt it is a very common knowledge already around here, and I was only factoring 3 dB of it on top of Ascend's specified 2 dB in room sensitivity. If you waited a little longer before making such accusations, I would have explained to you how I came up my numembers. I guess when you asked in that post, I was having supper. Let me emphasis a little, like many engineering calculations, we often have to make assumptions and approximations and it is okay to do so if the applications, such as this, do not really require a high degree of accuracy. If you take real measurements you will most likely find a good +/- 3 to 6 dB difference from my calculated values depending on many factors and how/where the measurements are taken.
Finally, I think there is no need to use words like BS, even, and that is even, if a slight mistake was made. I have never used such words on you, other than suggesting that you may have your own definitions of "huge" and "day and night" or exaggerated somewhat (regret that). And to summarize, your 6 meters listening distance combine if you relatively high 95 dB SPL does call for much more power than others who sit 3 to 4 meters away from their speakers in smaller rooms. Even then, your Denon should only show its weakness during the "peaks" and when you are in fact listening at your specified "maximum" level of 95 dB; and if that qualifies to be considered "day and night" kind of difference then it is good for people to do know the reasons and I hope now we do. Now you can see that it may not be that "odd" as you referred to the other posters claim of not getting much improvements in his case.
