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Lincoln1
Registered User Joined: 16 February 2009 Status: Offline Points: 251 |
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Posted: 29 June 2012 at 12:21am |
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Guys, would anyone please be able to sim the RCF L18P200N driver?
I have 4 of and keen to try something different to my bp6 boxes. I know these are old drivers but I already have them and they are still not bad, (quite high excursion and power handling).
Cheers,Lincoln. Edited by Lincoln1 - 29 June 2012 at 12:25am |
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tobiazz
Registered User Joined: 18 May 2010 Status: Offline Points: 42 |
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Thanks ! looks like it should do quit well in this design :)
Now i just need 8 sheeds of ply and a lot of time ! Cheers |
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daywalk3r
Registered User Joined: 12 August 2010 Location: Earth Status: Offline Points: 180 |
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Beyma 18G400 in original (unmodified) CB-18: ===================================== SPL 2pi @ 1W (Beyma 18G400, Fane 18-1000) group delay (Beyma 18G400, Fane 18-1000) cone displacement @ rated power (400W) SPL 2pi @ 4*400W (4 cabs on ground) ===================================== Relatively good group delay figures. Should be "honk-safe" till at least 130Hz. The driver is exceeding Xmax at rated power by about 1mm (@58Hz), at least according to the Hornresp guesstimates.. However, 18G400 is an older model, and its specs from times when the BL fudge-factor was not "invented" yet.. By looking at the aged datasheet, it seems that the Xmax value of 7mm was calculated for close to 100% BL - which means that going 1mm over it should not be a problem. Should be safe and sound good from 38Hz+ @ 400W. Cheers. |
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tobiazz
Registered User Joined: 18 May 2010 Status: Offline Points: 42 |
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Hey, can anyone sim the Beyma 18G400 unit for me? i have 4 pcs laying around, it could be nice to have 4 powerfulls subs mad whit them :)
Bast regards Tobias |
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grec
Registered User Joined: 14 April 2009 Location: hawaii Status: Offline Points: 25 |
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TDA,
Dima, in that configuration double 15 gona be way better. |
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bitzo
Registered User Joined: 20 November 2007 Location: Italy Status: Offline Points: 977 |
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Interesting but in this way you'll loose the simmetrical load of driver.
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TDA-Audio
Registered User Joined: 11 February 2005 Location: Russian Federation Status: Offline Points: 294 |
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my be ? recalculated 1x12" ? 2x12" ? |
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horns plans http://photofile.ru/users/tda-audio/
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bitzo
Registered User Joined: 20 November 2007 Location: Italy Status: Offline Points: 977 |
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akabak sim with b&c 18tbx100, eleven section, I take care of magnet diameter in order to reduce the 10th section.
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djyves
Young Croc Joined: 06 April 2009 Location: the Netherlands Status: Offline Points: 564 |
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at +/- 40 and 60hz the fane 1000 goes over xmax
the v18-1000 does not go over xmax at 60 hz
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"If brute force doesn't work, you're just not using enough!"
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djyves
Young Croc Joined: 06 April 2009 Location: the Netherlands Status: Offline Points: 564 |
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black is fane 1000,
grey is v18-1000
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"If brute force doesn't work, you're just not using enough!"
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djyves
Young Croc Joined: 06 April 2009 Location: the Netherlands Status: Offline Points: 564 |
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here is a good graph of the fane 1000 vs void v18-1000:
the fane 1000 has a higher excursion around 60 hz, they both reach xmax with 1000w 41 hz
Edited by djyves - 14 June 2010 at 7:16pm |
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"If brute force doesn't work, you're just not using enough!"
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djyves
Young Croc Joined: 06 April 2009 Location: the Netherlands Status: Offline Points: 564 |
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I mean, I don't see an difference in the graph, but I will try again.
Edited by djyves - 14 June 2010 at 7:01pm |
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"If brute force doesn't work, you're just not using enough!"
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