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Re: My impressions [message #28088 is a reply to message #28087]

Sun, 16 October 2005 15:46

Wayne Parham
Messages: 18682
Registered: January 2001

Illuminati (33rd Degree)

Each woofer in the 12π has been tested to 840 watts continuous RMS power with the heat exchanger inserted. So since the 12π bashorn sub has two woofers, it is safely rated at 1600 watts, continuous. That's also the point where compression sets in and power increases don't result in SPL increases. In testing, I ran at levels above 1600 watts and at frequencies well below horn cutoff specifically to test the mode of failure, to know whether it was mechanical or thermal. The failure mode is thermal, and that's why the heat exchanger is so important to the design.

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[Message index]

		Hornsub shootout By: Wayne Parham on Sun, 24 July 2005 20:22
		Ground Pounding Action, action, action! By: Wayne Parham on Tue, 02 August 2005 03:25
		General test plan By: Wayne Parham on Sat, 03 September 2005 23:45
		Re: General test plan By: Leland Crooks on Sun, 04 September 2005 19:19
		Re: General test plan By: Wayne Parham on Mon, 05 September 2005 03:14
		Re: General test plan By: Rory B. on Wed, 14 September 2005 07:51
		Re: General test plan By: Wayne Parham on Wed, 14 September 2005 22:00
		Re: General test plan By: Leland Crooks on Thu, 15 September 2005 07:21
		HL10 cooling plug and heat exchanger By: Wayne Parham on Fri, 16 September 2005 06:20
		Specific test plan By: Wayne Parham on Thu, 13 October 2005 17:56
		Re: Hornsub shootout By: PG on Thu, 08 September 2005 12:10
		Re: Hornsub shootout By: Wayne Parham on Fri, 09 September 2005 01:27
		Scheduled date and bad weather date By: Wayne Parham on Wed, 21 September 2005 13:21
		Re: Scheduled date and bad weather date By: jeffhtg on Tue, 27 September 2005 18:00
		Re: Scheduled date and bad weather date By: Wayne Parham on Tue, 27 September 2005 20:36
		Re: Scheduled date and bad weather date By: jeffhtg on Wed, 28 September 2005 01:43
		Re: Scheduled date and bad weather date By: Wayne Parham on Wed, 28 September 2005 11:57
		Hotels By: Wayne Parham on Wed, 21 September 2005 14:38
		Facilities and Photos By: Wayne Parham on Wed, 21 September 2005 16:17
		Re: Hornsub shootout RESULTS By: Wayne Parham on Sat, 15 October 2005 11:02
		Re: Hornsub shootout RESULTS - 12π By: Wayne Parham on Sat, 15 October 2005 13:20
		Re: Hornsub shootout RESULTS - 12π By: cred_audio on Mon, 17 October 2005 08:01
		Re: Hornsub shootout RESULTS - 12π By: Wayne Parham on Mon, 17 October 2005 09:14
		Re: Hornsub shootout RESULTS - 12π By: Josh Billings on Mon, 05 March 2007 12:32
		Re: Hornsub shootout RESULTS - 12π By: Wayne Parham on Mon, 05 March 2007 13:02
		Re: Hornsub shootout RESULTS - 12π By: Josh Billings on Mon, 09 April 2007 01:28
		Re: Hornsub shootout RESULTS - 12π By: Wayne Parham on Mon, 09 April 2007 02:06
		Re: Hornsub shootout RESULTS - Bassmaxx Z5 By: Wayne Parham on Sat, 15 October 2005 13:20
		Re: Hornsub shootout RESULTS - Bassmaxx Z5 By: Wayne Parham on Mon, 17 October 2005 10:10
		Re: Hornsub shootout RESULTS - Tuba 24 By: Wayne Parham on Sat, 15 October 2005 13:20
		Re: Hornsub shootout RESULTS - DR250 By: Wayne Parham on Sat, 15 October 2005 13:36
		Re: Hornsub shootout RESULTS - DR250 By: Leland Crooks on Sat, 15 October 2005 18:48
		Re: Hornsub shootout RESULTS - DR250 By: Wayne Parham on Sun, 16 October 2005 04:13
		Re: Hornsub shootout RESULTS - DR250 By: Timebomb on Sat, 29 October 2005 18:09
		Re: Hornsub shootout RESULTS - DR250 By: Wayne Parham on Sun, 30 October 2005 09:54
		Re: Hornsub shootout RESULTS - DR250 By: Leland Crooks on Mon, 31 October 2005 07:54
		Re: Hornsub shootout RESULTS - DR250 By: Timebomb on Tue, 08 November 2005 13:41
		Re: Hornsub shootout RESULTS - DR250 By: Leland Crooks on Tue, 08 November 2005 16:27
		Re: Hornsub shootout RESULTS - DR250 By: Timebomb on Tue, 08 November 2005 16:40
		Re: Hornsub shootout RESULTS - DR250 By: Leland Crooks on Tue, 08 November 2005 17:46
		Re: Hornsub shootout RESULTS - DR250 By: Timebomb on Tue, 08 November 2005 18:21
		Re: Hornsub shootout RESULTS By: Mike.e on Sat, 15 October 2005 22:50
		Re: Hornsub shootout RESULTS By: Wayne Parham on Sun, 16 October 2005 04:09
		My impressions By: akhilesh on Sun, 16 October 2005 13:14
		Re: My impressions By: Wayne Parham on Sun, 16 October 2005 15:46
		Re: My impressions By: akhilesh on Mon, 17 October 2005 08:35
		Re: My impressions By: Wayne Parham on Mon, 17 October 2005 09:10
		Re: My impressions By: freddyi on Mon, 17 October 2005 20:07
		Re: My impressions By: Wayne Parham on Mon, 17 October 2005 21:16
		Re: My impressions By: freddyi on Tue, 18 October 2005 07:44
		Re: My impressions By: Wayne Parham on Tue, 18 October 2005 09:06
		Re: My impressions By: freddyi on Tue, 18 October 2005 10:06
		Re: My impressions By: Wayne Parham on Tue, 18 October 2005 12:00
		Re: My impressions By: freddyi on Tue, 18 October 2005 12:30
		Re: My impressions By: Wayne Parham on Tue, 18 October 2005 12:46
		Usage of Zmin By: Mike.e on Wed, 19 October 2005 19:52
		Re: Usage of Zmin By: Wayne Parham on Thu, 20 October 2005 08:33
		Tuba30 By: PG on Tue, 18 October 2005 18:17

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