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Author Topic: XY ???  (Read 11003 times)

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Offline Swampy

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XY ???
« on: June 19, 2003, 02:47:20 PM »
Ok, so I've ran ORTF and DIN so far, but I decided I'm gonna try XY tonight. My question is this: how do you align the diaphrams, does it matter? On the OADE site, it has the diaphrams making a right angle: http://www.oade.com/Tapers_Section/micsetup90xyzoom.html . On the DPA site they make an X (see graphic) I don't even know that it even matters, but I just wanted to make sure! THANKS!

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Re:XY ???
« Reply #1 on: June 19, 2003, 02:55:59 PM »
Thanks for clearing that up!

Offline wboswell

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Re:XY ???
« Reply #2 on: June 19, 2003, 02:58:28 PM »
Both pictures appear to be the same, just different mounts were used.

Offline Mic D

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Re:XY ???
« Reply #3 on: June 19, 2003, 03:05:04 PM »
They're both the same. Just make sure you have your cables switched (i.e the mic on the right side should be the left channel because it is pointed to the left).

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Re:XY ???
« Reply #4 on: June 19, 2003, 04:41:27 PM »
Both pictures appear to be the same, just different mounts were used.

The oade pic the caps form a 90* angle, in the DPA, they form an X.

Offline Brian Skalinder

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Re:XY ???
« Reply #5 on: June 19, 2003, 04:49:21 PM »
Both pictures appear to be the same, just different mounts were used.

The oade pic the caps form a 90* angle, in the DPA, they form an X.

I didn't get what you were saying initially, Alex, but I get it now.  Puzzled me for a bit!  FWIW, I don't think it will make a difference which way you go:

In the Oade pic, the ends of the caps on the long axis of each mic are aligned with the outer diameter of the other mic's short axis / width.

In the DPA pic, the ends of the caps are centered over the other mic's short axis / width.
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Re:XY ???
« Reply #6 on: June 19, 2003, 04:51:34 PM »
Alright, thanks!

Offline rokpunk

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Re:XY ???
« Reply #7 on: June 19, 2003, 04:52:14 PM »
wouldnt the angles that an "X" makes all be 90?
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again, your showing your cluelessness.


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Offline Wes

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Re:XY ???
« Reply #8 on: June 19, 2003, 05:04:05 PM »
     X         look at the X and remember your trigonometry.  2 angles look to be about 90 degrees while the other 2 look to be about 110~120
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Offline Brian Skalinder

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Re:XY ???
« Reply #9 on: June 19, 2003, 05:06:40 PM »
I think Alex's question has less to do with the angle - in both cases the mic caps are 90ยบ offset from each other - and more to do with the the vertical capsule alignment with respect to the opposite mic.  See my previous post above.
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Offline twoodruff

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Re:XY ???
« Reply #10 on: June 19, 2003, 05:10:02 PM »
trig wasn't good to you wes, as a straight line is 180 degrees so if one is 90 so is the other. X All angles are 90 degrees.
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Offline Wes

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Re:XY ???
« Reply #11 on: June 19, 2003, 05:14:48 PM »
if all angles were 90 it would be a +.  lets not forget whos the engineer ;)
« Last Edit: June 19, 2003, 05:16:08 PM by jbandtheboys »
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Offline twoodruff

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Re:XY ???
« Reply #12 on: June 19, 2003, 05:18:23 PM »
my point is that if one angle is 90 the other is 90 not 110-120
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Offline Wes

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Re:XY ???
« Reply #13 on: June 19, 2003, 05:22:14 PM »
i  know.  it would actually depend on the font your using if the all the angles in the x are 90 degrees or if 2 are 90 and the other 2 are obtuse angles of equal magnitude.  you could as easily have 2 acute angles and 2 obtuse.
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Offline rokpunk

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Re:XY ???
« Reply #14 on: June 19, 2003, 05:35:16 PM »
Turn that "+" 45 degrees...now what do you have? Perhaps it should be refered to as a "cross", not an "X", but I think the point comes across either way. When I record in an XY pattern, I space the capsules at a 90 degree angle with one on top of the other as close to each other as possible without touching. I don't do much field recording these days, but this pattern works great as a stereo overhead on a drum kit. BTW, the term "engineer" is a rather loose term....it can mean a lot of things. Anyone can refer to themself as an audio engineer since there is no governing standard to be one, or test to become one. I refer to myself as an Audio Engineer, but aside from my saying so, there isn't really a way for me to prove it. I do have a certificate from a recording institute, and a now expired membership to AES, but neither of those things make me any more of an audio engineer than anyone else.
The new and improved taperssection.com....now with freedom of speech without the repercussion of -T's!



again, your showing your cluelessness.


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And rules all creation........

 

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