Yes please! Would be great to see it on a linear or log plot (with x/y switchable between linear and log).
What is "better"? I think we all have different ears and tastes and expectations, and these also can change over time. Smoothing and/or length can reduce the distinctiveness (possibly also room reflections) for 'better' or 'worse'.
It takes some wildly aggressive acoustic treatments to kill the reflections.
Because it doesn't. Even an anechoic chamber isn't as good as using a large space with reflecting surfaces far away.
The Axe II has a smoothing parameter, too. It's called "De-Phase."
Which of your cab's many EQ curves will you designate as the "absolute" one? The EQ curve heard by the audience member who's looking straight down the barrel of your cab? The EQ curve that you hear standing next to your cab? The EQ curve that the mic hears when it's pointing at your speaker cone? The EQ curve your drummer hears from 90° off axis?
The absolute one is the one that produces the sound that is inherent to the speaker alone. Many variables impact the sound a person actually hears, one of them, where ir's are concerned might be room reflections. I am suggesting that a speaker has an eq curve, period. That eq curve may be altered by the cab, room, mic, listener position, ect. We can capture some amount of that information (I am assuming we currently do) in which case you are never dealing with just a pure speaker curve like your tube amp does. A tube amp reacts with the speaker, in a cab, and what you hear depends on many factors beyond these basic items. But it starts with the essential parameters of the speaker and cab. If you capture other nuances with an ir, then use that ir as your freq curve, you are not really comparing apples to apples are you? If the amp modeling is perfect, and if the speakers reproducing the sound are perfect, your ir has caused some shift in sound because it contains parameters that are different from the actual eq curve of the speaker. Now of course nothing is perfect, but the premise seems plausible to me.
I am thinking "better" is no coloration at all. Of course that may not be what you want. But it would be the most accurate wouldn't it?
I get where you're coming from, but think about it: which of the many EQ curves that the speaker produces — even in a reflection-free situation — is the one "inherent to the speaker?" They're all inherent to the speaker. As you move off axis, different cabs change their sound in different ways. Even if you choose one EQ curve as the starting point, you can't apply a standard formula to figure out how the sound will change at, say, 30° off axis. That's why people take multiple captures at different angles when they're shooting IRs.
That interaction is modeled in the Speaker tab of the Amp block.
No worries. Sometimes I have to go back and remind myself of what's in there.
Yes, if it's quiet.
What?
No, but it makes me want to go back to the studio try some stuff.
I don't get why they should be delayed, speed of sound thru air doesn't change with frequency (unlike speed of light which depends on the refractive index of the medium)
Air is not a dispersive medium at audio frequencies. The velocity is not a function of frequency.
The speed of sound is independent of it‘s frequency.
