X12 Crossover points

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   i was hoping someone could point me in the right direction regarding the crossover frequencies. i understand with the x12 the lower the compression driver frequency is the better however i don't understand why this is. is there anything i can read or could someone answer this for me?

i have used the searched function and it isn't really explained. i don't get why it has to go so low leaving the twin 12" drivers not covering a very big frequency range.

thanks in advance

Oli

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Verr Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 27 September 2006 Status: Offline Points: 43	Post Options Post Reply Quote Verr Report Post Thanks(0) Quote Reply Topic: X12 Crossover points Posted: 26 November 2007 at 10:54am
	i was hoping someone could point me in the right direction regarding the crossover frequencies. i understand with the x12 the lower the compression driver frequency is the better however i don't understand why this is. is there anything i can read or could someone answer this for me? i have used the searched function and it isn't really explained. i don't get why it has to go so low leaving the twin 12" drivers not covering a very big frequency range. thanks in advance Oli

Mark James Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 15 January 2006 Location: rig side Status: Offline Points: 5306	Post Options Post Reply Quote Mark James Report Post Thanks(0) Quote Reply Posted: 26 November 2007 at 11:08am
	because the 12" doesnt play that heigh before you start to notice it being stretched, it will start to beam [dispersion affected] and distort. conversly the compression driver will start to show similar signs of stress if you x-over to low...
	insert silly sentence here

Verr Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 27 September 2006 Status: Offline Points: 43	Post Options Post Reply Quote Verr Report Post Thanks(0) Quote Reply Posted: 26 November 2007 at 2:42pm
	PERFECT, CHEERS

Mark James Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 15 January 2006 Location: rig side Status: Offline Points: 5306	Post Options Post Reply Quote Mark James Report Post Thanks(0) Quote Reply Posted: 26 November 2007 at 9:03pm
	theres a bit more to it than than just that but basicaly any driver in any design will have issues when being pushed to its limits frequency wise, ie too low or heigh...a compresion driver playing too low will either start pumping and run out of steam too quick or disort when the driver reaches its mechanical limits, theres alot more to it than this but that is one reason...
	insert silly sentence here