How to modify the 184 Sub

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   I want to build a Sub with the same plans as the 184 Sub, but for a Beyma 15G40 woofer. Will it work? Wich changes needs to be done? (Front Port lengts? Chamber sizes?). Somebody can help me to calculate the sizes and port lengts of this box?
My plan is to made only one sub, to use it with 2 10'+1' Beyma Tops. Is it a good idee? Is this sub the best way for this system? Or is a simple bassreflex loaded box better? (Or may be a Horn, but normally they need to be stacked).
Informations about the 15G40 can be find at this URL :
 http://profesional.beyma.com/ENGLISH/pdf/descarga.php?pdf=15 G40.pdf
Thanks for all 
Regards,
Nicolas

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Brock Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 21 November 2005 Location: Belgium Status: Offline Points: 2	Post Options Post Reply Quote Brock Report Post Thanks(0) Quote Reply Topic: How to modify the 184 Sub Posted: 21 November 2005 at 6:26am
	I want to build a Sub with the same plans as the 184 Sub, but for a Beyma 15G40 woofer. Will it work? Wich changes needs to be done? (Front Port lengts? Chamber sizes?). Somebody can help me to calculate the sizes and port lengts of this box? My plan is to made only one sub, to use it with 2 10'+1' Beyma Tops. Is it a good idee? Is this sub the best way for this system? Or is a simple bassreflex loaded box better? (Or may be a Horn, but normally they need to be stacked). Informations about the 15G40 can be find at this URL : http://profesional.beyma.com/ENGLISH/pdf/descarga.php?pdf=15 G40.pdf Thanks for all Regards, Nicolas

norty303 Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 18 August 2004 Location: Eastbourne Status: Offline Points: 8800	Post Options Post Reply Quote norty303 Report Post Thanks(0) Quote Reply Posted: 21 November 2005 at 9:03am
	Get a copy of WinISD and put the dimensions of the box and ports into it. then load the driver you're interested in and see how it looks. Then fiddle with the port lengths and see what effect it has
	My laser stuff: Frikkin Lasers

Tony Wilkes Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 02 August 2004 Location: West Midlands Status: Offline Points: 4835	Post Options Post Reply Quote Tony Wilkes Report Post Thanks(0) Quote Reply Posted: 22 November 2005 at 3:54am
	Why not use the spec'd PD184 do you already have the Beyma's? Tony Edited by wilkee - 22 November 2005 at 3:55am

Brock Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 21 November 2005 Location: Belgium Status: Offline Points: 2	Post Options Post Reply Quote Brock Report Post Thanks(0) Quote Reply Posted: 22 November 2005 at 9:16am
	Yes, I already have the beyma, but after some research on the net, building a bandpass to use it with 10'+1' tops seems to be a bad idee. The problem of the bandpass is that he could not give bass over 100-120Hz. It is better to use it as a subwoofer than as a "bass" box.