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Last question, I promise! (I'm lying) [message #17297] Mon, 03 January 2005 18:40 Go to next message
Floyd Andrews is currently offline  Floyd Andrews
Messages: 31
Registered: May 2009
Baron
Is there a sonic penalty to be paid for using an adaptor to attach a 1" mouth compression driver to a 2" throat horn? I've got the 1" Altec 902 drivers, and a pair of 1" to 2" adaptors, and now I'm looking at horns. I'd like to try crossing over at a frequency somewhere between 500-800, which means 2" throat horns, from what I've seen. What say you all?

Re: Last question, I promise! (I'm lying) [message #17298 is a reply to message #17297] Mon, 03 January 2005 22:12 Go to previous messageGo to next message
GM is currently offline  GM
Messages: 114
Registered: May 2009
Viscount
?? Altec bolted these to the 511B crossed at 500-800Hz/2nd order or to the 811B for 800-1200Hz/2nd order, no adapters required. WRT using adapters, unless the joints are seamless they add another discontinuity to cause HF reflections back to the throat, so unless you have a specific lens you need for your app I recommend using the ones they were designed for and damp them to suit (at least the bells).

GM


Re: Last question, I promise! (I'm lying) [message #17301 is a reply to message #17297] Tue, 04 January 2005 16:02 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18786
Registered: January 2001
Illuminati (33rd Degree)
I agree with GM in that adapters are usually a compromise. But it is essentially just another short flare section, so it isn't necessarily bad. Model it or measure it to be sure.

Re: Last question, I promise! (I'm lying) [message #17302 is a reply to message #17297] Wed, 05 January 2005 08:21 Go to previous message
Bill Wassilak is currently offline  Bill Wassilak
Messages: 402
Registered: May 2009
Illuminati (1st Degree)
I don't think it'll hurt going from a 1" driver opening to a 2" horn throat through an adapter is going to matter. It's when your going the other way that could cause problems.

Bill W.

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