Eminence Alpha 10 for home hi-fi

Dimitar Kyuchuk · 15th January 2005, 05:08 AM

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

dooper · 16th January 2005, 05:04 AM

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:

http://pispeakers.com/Prices.htm

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

Cheers,

dooper

Dimitar Kyuchuk · 18th January 2005, 12:44 PM

Thank you dooper. And what do you thing of Selenium 10PW3 ?

15th January 2005, 05:08 AM	#1
Dimitar Kyuchuk diyAudio Member Join Date: Aug 2004 Location: Bulgaria	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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16th January 2005, 05:04 AM	#2
dooper diyAudio Member 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: http://pispeakers.com/Prices.htm (Not a plug - or at least not intended as such.) Cheers, dooper

18th January 2005, 12:44 PM	#3
Dimitar Kyuchuk diyAudio Member Join Date: Aug 2004 Location: Bulgaria	Thank you dooper. And what do you thing of Selenium 10PW3 ?

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