2x12" reflex |
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king david
Young Croc Joined: 17 January 2007 Location: italy Status: Offline Points: 1324 |
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Posted: 05 June 2013 at 3:56pm |
anyone tried this design? what do you think?
http://www.lautsprechershop.de/index_hifi_en.htm?http://www.lautsprechershop.de/pa/d3300_2_k12_en.htm |
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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It's a bit basic. Yes it probably works but not difficult to make something a bit nicer.
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king david
Young Croc Joined: 17 January 2007 Location: italy Status: Offline Points: 1324 |
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would try them with b&c 12pe32 and de250+me45...cut off at 2khz...
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king david
Young Croc Joined: 17 January 2007 Location: italy Status: Offline Points: 1324 |
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tried that design, built a prototype...
best crossover was around 2,4khz, but the 2 x 12" dont play good that high, just one has more output than 2 from 1,2khz and above, they rock on 160-600hz but after that, its a trouble, so i buried the project and going to build a single 12 reflex tuned to 85hz and little less than 40 l., de250+me45 above that |
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ceharden
The 10,000 Points Club Joined: 05 June 2005 Location: Southampton Status: Offline Points: 11776 |
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I use 2x12" up to 1.4kHz without any problems but the drivers are as close together as possible.
With a 1" compression driver you're better off with 1x 12" so you've probably gone for the best solution. |
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tatomarcelo
New Member Joined: 18 November 2013 Location: argentina Status: Offline Points: 5 |
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"..tried that design, built a prototype...
best crossover was around 2,4khz, but the 2 x 12" dont play good that high, just one has more output than 2 from 1,2khz and above, they rock on 160-600hz but after that, its a trouble, so i buried the project and going to build a single 12 reflex tuned to 85hz and little less than 40 l., de250+me45 above that..." hello
I read your note, I wanted to consult you advise me bass reflex design for my two B & C 12PE32, which I combine with DE250
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Tony Wilkes
Old Croc Joined: 02 August 2004 Location: West Midlands Status: Offline Points: 4840 |
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Simple, sell the comps, brilliant as they are they are not suitable for your requirements.
Then buy some BMS 4547 or 4550 and stick them on a Faital LTH102 and cross at 1.2k Beware the soothsayer's that say this will not work :) Pm me if you would like some help with the box Tony |
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www.forteaudio.eu - BMS - db-Mark Processors - Lexon (SAE)
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king david
Young Croc Joined: 17 January 2007 Location: italy Status: Offline Points: 1324 |
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very easy job, you have more chances
-you can build 2 boxes each one with 1 12pe32 and 1 de250 -you can build a 2x12 + de250 but while the 2x12 would be very strong til 1,2khz and the de250 would be very strong in the 2khz+ range, you will lose some output between 1,2khz and 2khz. since everyone wants best and no compromise, i would say dont do this -you can follow tony wilkes advice, or go for biiger driver/horn like 1,4" |
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