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7 PI Plans [message #73542] Thu, 09 August 2012 07:43 Go to next message
mantha3 is currently offline  mantha3
Messages: 72
Registered: May 2012
Location: Lino Lakes, MN
Viscount
Wayne,

I'm toying with the idea of 7PIs VS the 4PIs I was planning to build... Can I get the 7PI plans?

PS - Do the 7PIs reach down lower Bass wise VS the 4PIs?

Thanks,
Andy
Re: 7 PI Plans [message #73547 is a reply to message #73542] Thu, 09 August 2012 09:21 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18791
Registered: January 2001
Illuminati (33rd Degree)

Bass response of the seven π cornerhorns is the same as the four π speakers. What's different is the behaviour of sound at frequencies above midbass. The corner loading of the woofer and the midhorn prevent any self-interference from nearby boundaries, so no flanking subs are necessary. You may still want to use more distant multisubs to smooth the deeper bass range, but the upper midbass and midrange are very smooth. Additional information follows:
Please decide which you prefer sevens or fours and let me know. I'll send plans if you decide to build constant directivity cornerhorns.

Re: 7 PI Plans [message #73555 is a reply to message #73542] Fri, 10 August 2012 07:46 Go to previous messageGo to next message
mantha3 is currently offline  mantha3
Messages: 72
Registered: May 2012
Location: Lino Lakes, MN
Viscount
Ahh, ok.

I have the JBL 2226H, B&C 250 and the Eminence horns and have been planning to build the 4 pi. These will be sitting in the front corners of a room....

I do have 2 subwoofers so that is in the thought process. I could use theses with the 4 PI and 7 PI. I have a big room.

I was starting to think about just going for the full on 7PI instead of the 4PI. I read a post where a guy had done both the 4PI and 7PI and he liked the 7PI better.

Can I get the plans for the 7PI?
Re: 7 PI Plans [message #73556 is a reply to message #73555] Fri, 10 August 2012 08:00 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18791
Registered: January 2001
Illuminati (33rd Degree)

You've got mail!

Re: 7 PI Plans [message #73558 is a reply to message #73556] Fri, 10 August 2012 08:03 Go to previous message
mantha3 is currently offline  mantha3
Messages: 72
Registered: May 2012
Location: Lino Lakes, MN
Viscount
Got it!

You are fast!
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