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3 pi subwoofer usage? [message #78473] Thu, 28 November 2013 11:16 Go to next message
cootcraig is currently offline  cootcraig
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Registered: May 2009
Chancellor
I've been enjoying my 2 pi towers for years and I'm starting to consider a new project. What I have in mind is a pair of 4 pi and a pair of 3 pi subs. How does one integrate a pair of 3 pi subs? I did some searching on the forum, but did not find basic instructions. Thanks.
Re: 3 pi subwoofer usage? [message #78483 is a reply to message #78473] Fri, 29 November 2013 08:45 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18297
Registered: January 2001
Illuminati (33rd Degree)

I always suggest flanking subs. See the following posts:
Re: 3 pi subwoofer usage? [message #78517 is a reply to message #78483] Mon, 02 December 2013 10:27 Go to previous messageGo to next message
cootcraig is currently offline  cootcraig
Messages: 18
Registered: May 2009
Chancellor
Thank you for the links.

I have 80's vintage stereo receivers. How would I drive the 3 pi sub from a stereo receiver?
Re: 3 pi subwoofer usage? [message #78518 is a reply to message #78517] Mon, 02 December 2013 10:35 Go to previous messageGo to next message
cootcraig is currently offline  cootcraig
Messages: 18
Registered: May 2009
Chancellor
Could I use the tape output from a receiver as input to a subwoofer amplifier like this?

http://www.daytonaudio.com/index.php/apa150-150w-power-amplifier.html

Re: 3 pi subwoofer usage? [message #78519 is a reply to message #78518] Mon, 02 December 2013 11:02 Go to previous messageGo to next message
Wayne Parham is currently offline  Wayne Parham
Messages: 18297
Registered: January 2001
Illuminati (33rd Degree)

You can't use the tape output because it is at a constant level. You need a preamp output, something that has already passed through the volume control.

Re: 3 pi subwoofer usage? [message #78532 is a reply to message #78519] Tue, 03 December 2013 11:43 Go to previous message
cootcraig is currently offline  cootcraig
Messages: 18
Registered: May 2009
Chancellor
So I will configure 2 flanking pi 3 subs as Wayne describes.

In my collection of 80's receivers, some have pre out, so that would be an option. I also see that many subwoofer amps have high level input to integrate with mains amps without pre out.

I am planning my next speaker project to be a pair of pi 3 subs from kits.
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