If I stack 2 of the 60 X 40 mid and high cabs vertically on each side of the stage, will I get a bit more than the 60 degree horizontal dispersion for each side, or would I need more than 2 cabs each of mids and highs per side to get any significant amount of increase in horizontal dispersion? Any rule of thumb when you are stacking cabs vertically how much wider dispersion you will get as you add another cab?
I'm thinking of stacking the 2 mid cabs horizontally, with the 2 high cabs stacked horizontally on top of the mids. Would it make any sense to do a mid, high, mid, high stack instead of a mid, mid, high, high stack for the sake of making it a bit easier to align the mid and highs time wise?If I go with a mid, mid, high, high horizontal stack, would it make any sense when I align the mids and highs in time to have both mids and both highs connected, or do 1 mid with 1 high? I generally do just 1 speaker for each range when I'm using Smaart, but wondering since I'm trying to get the 2 mids to act as 1 unit, and the 2 highs to act as 1 unit, would it be better to have both mid & high drivers connected when I'm looking at the alignment in the time domain? Thanks!
hey Di you mean vertically here in this second part? i.e. one on top of the other?k
Yes, my bad, I meant vertically. Thanks for pointing that out, as well as taking the time to reply!Any thoughts when I'm using Smaart to align the different drivers? For example, should I hook up both mids on 1 speaker stack and look at that trace, or just hook up 1 mid and look at that trace? Thanks!
You will need to move your mic around to average the measurements.I assume you already have a basic setup (crossovers eq delay etc) for your setup.So now you really need to turn it all on (on one side)-since that is what is going to be used-to do the final tweaking. Don't chase the little interactions-they will move as you move the mic.Then copy the settings to the other side. What happens in the middle-happens. Nothing you can do about it.
I think of a lower case "t" for the measuring positions. 3 to 4 places on axis with the speakers depending on the depth of the coverage followed by 3 to 4 measuring positions crossing the coverage.
Thanks for the suggestion! That's a great idea. Never thought about crossing the coverage to see how much wider the dispersion would be when 2 drivers are stacked vertically vs 1 driver. I'll have to try that at the next gig.
The old 'stack and splay" method has been around at least since the 60s.It gets the drivers physically closer together-so the combfiltering moves to a higher freq than if you put them side by side and splay. Unless of course the horn cabinets are cut at 1/2 the coverage angle and the sides of the cabinets are practically touching the HF drivers. Hint-that is what to look for in a so called "arrayable" cabinet. So that when you put the cabinets together in an "array"-the HF drivers as as close as possible to each other. The mids and lows can be further away-since the wavelengths are longer.It is ALL about wavelength and physical distance.
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