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Old 15th January 2005, 05:08 AM   #1
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Dimitar Kyuchuk's Avatar
Join Date: Aug 2004
Location: Bulgaria
Question Eminence Alpha 10 for home hi-fi

I decided to build a pair of speakers for my latest amp project, but I still have problems choosing the woofer. At first I had the idea to use the Eminence Alpha 10. I used WinISD to calculate the volume of the box and the vent and I WAS satisfied with the results.

However I notised that the speakers are recommended for reinforcement systems and the recommended volume is 42-71l.
I calculated a volume of 100-120l (for 40-45Hz at -3dB). Are these two points a problem?

So is Alpha 10 usable for 120l home/hi-fi, or should i make a better choice?

Thanks in advance
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Old 16th January 2005, 05:04 AM   #2
dooper is offline dooper  Canada
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Join Date: Jan 2004
Location: Canada
Wayne Parham has two designs that use the Alpha 10. The two pi is 40.91 litres gross internal volume and uses a port 1.91" internal diameter x 1.875" long. The two pi tower is 127.09 litres gross internal volume, and the port is 4.5" diameter and 5/8 " long. The plans specify 5/8" material for all panels. Wayne is great about sending diagrams if you ask for them. More info here:


(Not a plug - or at least not intended as such.)


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Old 18th January 2005, 12:44 PM   #3
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Dimitar Kyuchuk's Avatar
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Location: Bulgaria
Thank you dooper. And what do you thing of Selenium 10PW3 ?
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