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-   -   F3 (http://www.diyaudio.com/forums/multi-way/110434-f3.html)

rinx 20th October 2007 09:54 PM

F3
 
Woofer in 3-way system. I have looked a lot of 3-ways, but I am not sure what would be good F3 for woofer. The woofer I am gonna use is Dayton RS225

http://www.partsexpress.com/pe/showd...number=295-366

Fs 29Hz, but should I go so low?! Have any clue. Does this sound already to boomy. What F3 you suggest for these drivers.
Most 3-ways are around 30-45Hz. How I should decide what F3 to choose.

Music I am listening is more pop, 80-90 and also even I like to listen piano (classic).

Lord_Humongous 20th October 2007 10:35 PM

If you want to use your speakers whithout a (min. rek. 2pcs.) sub, you should at least go for flat down to about 30Hz in room, witch these drivers should be able to achieve (albeit with low sensitivity).

rinx 21st October 2007 01:42 AM

I am not gonna use Sub.
Then could you answer, why some really good speakers have done F3 45Hz?!Even when woofer are able to go 30 at least.

http://www.audes.ee/?id=1880&tpl=1020

R:R

Lord_Humongous 21st October 2007 09:43 AM

Perhaps to minimize group delay? Or the port simply became too long? Engineers trading performance for aestethics (Smaller cabinet.)? Perhaps the F-3dB@45Hz is in free space? In a room, you get some help in the lowest frequencies.


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