differences between 186/1850 horn with same driver

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Hello there, 

it is really difference in sound between these two horns ? top is 186, bottom is 1850. As you see, there is only few changes between project. Do you think that if I would put 1850 speaker to 186 horn it will sound that same like in 1850 horn ? Or these plans are so precise?

I ask because we built 1850 horn, and put there RCF LF18N401 driver, and I wondering if it make difference in sound when we would build 186 horn and put there these RCF.

One big disadvantage of these project is weight. About 80 kilos/one... uhhh

P.S. Here you have some mobile-camera photos from building days (2x 1850 and 2x X12):

http://www.caffeine.pl/discordia/diy_soundsystem/

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hdk Members Profile Send Private Message Find Members Posts Add to Buddy List New Member Joined: 26 December 2009 Location: Poland Status: Offline Points: 2	Post Options Post Reply Quote hdk Report Post Thanks(0) Quote Reply Topic: differences between 186/1850 horn with same driver Posted: 16 March 2010 at 10:28am
	Hello there, it is really difference in sound between these two horns ? top is 186, bottom is 1850. As you see, there is only few changes between project. Do you think that if I would put 1850 speaker to 186 horn it will sound that same like in 1850 horn ? Or these plans are so precise? I ask because we built 1850 horn, and put there RCF LF18N401 driver, and I wondering if it make difference in sound when we would build 186 horn and put there these RCF. One big disadvantage of these project is weight. About 80 kilos/one... uhhh P.S. Here you have some mobile-camera photos from building days (2x 1850 and 2x X12): http://www.caffeine.pl/discordia/diy_soundsystem/

DjJosh Members Profile Send Private Message Find Members Posts Add to Buddy List Registered User Joined: 22 September 2009 Location: Estonia Status: Offline Points: 30	Post Options Post Reply Quote DjJosh Report Post Thanks(0) Quote Reply Posted: 16 March 2010 at 1:16pm
	186 is more musical and softer sound. 1850 is very honky hard sound, and need stack at least 4cabs and 1850 need some strong draivers. READ http://www.speakerplans.com/index.php?id=faq

Wrighty Members Profile Send Private Message Find Members Posts Add to Buddy List Old Croc Joined: 17 April 2004 Location: Devon Status: Offline Points: 1801	Post Options Post Reply Quote Wrighty Report Post Thanks(0) Quote Reply Posted: 16 March 2010 at 4:53pm
	The chamber size is the main difference and has an effect on frequency response and cone excursion. High BL driver (strong motor) like the PD.1850 = small chamber. Lower BL driver like the PD.186 = large chamber. BL somewhere in between, like the Eighteensound 18LW1400 = medium chamber.
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