Johnny Guitar
Inspired
This thread got me thinking: https://forum.fractalaudio.com/threads/2x12-cab-stereo-or-mono.128641/
I found this article from Matrix saying that running FRFR in stereo is useless unless speakers are a few meters away, because tweeters would cancel each other, and there would be phasing issues. Also says that it will sound even worse than in mono.
First time I've heard about this, strange as I know lots of guitarists using modelers are happy with their stereo FRFR rigs, and I doubt many people have them too separated, as rehearsing spaces and venues are not usually huge. Everybody knows the more separated they are, the better it will sound, but did I misunderstood this? It's not worth having a couple of FRFR speakers if they're too close?
http://uk.matrixamplification.com/faq/stereo-and-frfr.html
A few excerpts:
The basic stereo concept is that for optimum stereo effect, you need to be about as far away from the speakers as the speaker are apart. As you have probably noticed, if you move the speakers closer together, narrowing the triangle, the stereo effect is reduced. If you take this concept into the guitar world and a typical 2x12" cabinet, assuming it was stereo, then the optimum listening distance would be around 18" away. Certainly, 30 feet away in the audience, any stereo effect would be negligble.
If you look at the stereo content of a typical guitar signal, most of it is in the upper registers, in other words its the HF unit that will be carrying a lot of the stereo information. If we provide 2 HF units, one each side of the cab, firstly the audience wont really get much in the way of stereo effect. Both signals will arrive in both ears, with equal loudness, similar timing.
What you will get is massive phasing issues, particularly when the cab is used in mono. Dispersion figures become meaningless as the constructive and destructive interference creates dead spots all over the soundscape.
To our minds, there is little point in providing the flatest possible response, the most carefully controlled dispersion and then pretty much destroying it by providing two HF drivers. The correct way to do stereo is to buy two cabs, and try and get some spacing between them on the stage. The more distance you can get, the better the effect will be to your audience. If you are restricted in space, use a mono FRFRcab and at least all you audience will get the same carefully crafted, evenly dispered, high quality sound.
Also posted on TGP but didn't get many answers.
I found this article from Matrix saying that running FRFR in stereo is useless unless speakers are a few meters away, because tweeters would cancel each other, and there would be phasing issues. Also says that it will sound even worse than in mono.
First time I've heard about this, strange as I know lots of guitarists using modelers are happy with their stereo FRFR rigs, and I doubt many people have them too separated, as rehearsing spaces and venues are not usually huge. Everybody knows the more separated they are, the better it will sound, but did I misunderstood this? It's not worth having a couple of FRFR speakers if they're too close?
http://uk.matrixamplification.com/faq/stereo-and-frfr.html
A few excerpts:
The basic stereo concept is that for optimum stereo effect, you need to be about as far away from the speakers as the speaker are apart. As you have probably noticed, if you move the speakers closer together, narrowing the triangle, the stereo effect is reduced. If you take this concept into the guitar world and a typical 2x12" cabinet, assuming it was stereo, then the optimum listening distance would be around 18" away. Certainly, 30 feet away in the audience, any stereo effect would be negligble.
If you look at the stereo content of a typical guitar signal, most of it is in the upper registers, in other words its the HF unit that will be carrying a lot of the stereo information. If we provide 2 HF units, one each side of the cab, firstly the audience wont really get much in the way of stereo effect. Both signals will arrive in both ears, with equal loudness, similar timing.
What you will get is massive phasing issues, particularly when the cab is used in mono. Dispersion figures become meaningless as the constructive and destructive interference creates dead spots all over the soundscape.
To our minds, there is little point in providing the flatest possible response, the most carefully controlled dispersion and then pretty much destroying it by providing two HF drivers. The correct way to do stereo is to buy two cabs, and try and get some spacing between them on the stage. The more distance you can get, the better the effect will be to your audience. If you are restricted in space, use a mono FRFRcab and at least all you audience will get the same carefully crafted, evenly dispered, high quality sound.
Also posted on TGP but didn't get many answers.