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Title: Meyer Sound 1100's cardiod.
Post by: Al Rettich on April 19, 2018, 07:18:59 PM: Is there a default time alignment (ms) for the reverse sub from Meyer?
Title: Re: Meyer Sound 1100's cardiod.
Post by: Tim McCulloch on April 19, 2018, 09:27:43 PM: Quote from: Al Rettich on April 19, 2018, 07:18:59 PM
Is there a default time alignment (ms) for the reverse sub from Meyer?

Not that I've seen but it's easy to model in MAPP.
Title: Re: Meyer Sound 1100's cardiod.
Post by: Ed Spoto on April 22, 2018, 08:05:06 AM: Quote from: Al Rettich on April 19, 2018, 07:18:59 PM
Is there a default time alignment (ms) for the reverse sub from Meyer?

3.4ms
Title: Re: Meyer Sound 1100's cardiod.
Post by: Jean-Pierre Coetzee on April 22, 2018, 11:27:13 AM: Quote from: Ed Spoto on April 22, 2018, 08:05:06 AM
3.4ms

This
Title: Re: Meyer Sound 1100's cardiod.
Post by: Al Rettich on April 22, 2018, 01:05:56 PM: Ed, thank you. I took Smaart to it yesterday and ended up at 3.7ms, sounded so much better than the 11.3 ms that was on it.
Quote from: Ed Spoto on April 22, 2018, 08:05:06 AM
3.4ms
Title: Re: Meyer Sound 1100's cardiod.
Post by: Ivan Beaver on April 22, 2018, 01:32:41 PM: Quote from: Al Rettich on April 22, 2018, 01:05:56 PM
Ed, thank you. I took Smaart to it yesterday and ended up at 3.7ms, sounded so much better than the 11.3 ms that was on it.
There is a bit of "wiggle room" in terms of delay, depending on the exact setup, the freq of interest etc.

But 11.3 ms is way out of whack.

How far was the spacing of the subs to require that much delay?
Title: Re: Meyer Sound 1100's cardiod.
Post by: Al Rettich on April 23, 2018, 10:48:33 AM: They’re flown in stacks of two. Left, Right and Center pair.
Quote from: Ivan Beaver on April 22, 2018, 01:32:41 PM
There is a bit of "wiggle room" in terms of delay, depending on the exact setup, the freq of interest etc.

But 11.3 ms is way out of whack.

How far was the spacing of the subs to require that much delay?
Title: Re: Meyer Sound 1100's cardiod.
Post by: Ivan Beaver on April 23, 2018, 01:20:14 PM: Quote from: Al Rettich on April 23, 2018, 10:48:33 AM
They’re flown in stacks of two. Left, Right and Center pair.
So what is the distance between the subs in each stack?

Or are they stacked vertically, with one facing the rear.

There are several different physical ways to do cardioid, with different results, different delay times etc.
Title: Re: Meyer Sound 1100's cardiod.
Post by: Al Rettich on April 23, 2018, 01:48:31 PM: Center of each cabinet to center of next stack is 10’6”
Quote from: Ivan Beaver on April 23, 2018, 01:20:14 PM
So what is the distance between the subs in each stack?

Or are they stacked vertically, with one facing the rear.

There are several different physical ways to do cardioid, with different results, different delay times etc.
Title: Re: Meyer Sound 1100's cardiod.
Post by: Ivan Beaver on April 23, 2018, 07:12:06 PM: Quote from: Al Rettich on April 23, 2018, 01:48:31 PM
Center of each cabinet to center of next stack is 10’6”
My question was about the distance in each stack, not the distance between stacks/pairs
Title: Re: Meyer Sound 1100's cardiod.
Post by: Joe Pieternella on April 24, 2018, 05:22:08 AM: A stack of 1100's is probably vertical and rigged together. Possibly 180degrees relative to each other. Or the center stack of two could be reversed to make the pattern.
Were we talking relative values here or total delay times. Maybe someone "forgot" to add delay to the front facing subs to line them up to the rest of the system

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