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H/R118 by Startec

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_djk_ View Drop Down
Old Croc
Old Croc


Joined: 23 November 2004
Location: United States
Status: Offline
Points: 6002
Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 19 October 2008 at 8:07am
The response shown is with a 115hz 24dB Butterworth low pass filter.
djk
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wafflesomd View Drop Down
Young Croc
Young Croc


Joined: 21 September 2007
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Points: 811
Post Options Post Options   Thanks (0) Thanks(0)   Quote wafflesomd Quote  Post ReplyReply Direct Link To This Post Posted: 19 October 2008 at 4:05am
Any way to get it to go higher than 100 hrtz?
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_djk_ View Drop Down
Old Croc
Old Croc


Joined: 23 November 2004
Location: United States
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Points: 6002
Post Options Post Options   Thanks (0) Thanks(0)   Quote _djk_ Quote  Post ReplyReply Direct Link To This Post Posted: 19 October 2008 at 2:24am
Looks very well thought out, and I like the even cone loading.
djk
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Deadbeat View Drop Down
Old Croc
Old Croc


Joined: 12 March 2008
Location: Singularity
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Deadbeat Quote  Post ReplyReply Direct Link To This Post Posted: 18 October 2008 at 6:30pm
Good work - finished designs are hard work and always appreciated.

wafflesomd - ?
It is a ported horn. But designs do differ a lot. This is the first diy plan I've seen that has used this particular form factor. Do remember to take in the y axis scale on the LEAP graph.

panoramix - do you have a link to any more info of this Mr Startec and his designs?
Away on extended leave.
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wafflesomd View Drop Down
Young Croc
Young Croc


Joined: 21 September 2007
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Post Options Post Options   Thanks (0) Thanks(0)   Quote wafflesomd Quote  Post ReplyReply Direct Link To This Post Posted: 18 October 2008 at 6:11pm
Ported horn?

Only good up to 100hrtz :/

Deadbeat?


Edited by wafflesomd - 18 October 2008 at 6:13pm
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Xmax extreme View Drop Down
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Joined: 23 May 2006
Location: Pilipinas
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Points: 308
Post Options Post Options   Thanks (0) Thanks(0)   Quote Xmax extreme Quote  Post ReplyReply Direct Link To This Post Posted: 18 October 2008 at 4:07pm
WOW!!!Clap Clap Clap Thank you for sharing the plans DJ panoramix... though have some similarities with some existing design but this has a longer horn length and will play lower... Great design MR. STARTEC!Thumbs Up

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Wrighty View Drop Down
Old Croc
Old Croc


Joined: 17 April 2004
Location: Devon
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Points: 1801
Post Options Post Options   Thanks (0) Thanks(0)   Quote Wrighty Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2008 at 12:13pm
Looks a bit XXL-esque...
ALL YOUR BASS ARE BELONG TO US.
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dj-panoramix View Drop Down
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Joined: 28 September 2005
Location: France
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dj-panoramix Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2008 at 12:10pm
here is another project of Mr Startec ,it's a hybrid horn reflex for RCF LF18N4o1.
 
here is the plan:
 


Edited by dj-panoramix - 04 November 2008 at 10:39pm
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