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Multi-Way Conventional loudspeakers with crossovers

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Old 6th February 2020, 03:33 PM   #3271
djn is offline djn  United States
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Originally Posted by DorinD View Post
This is the last iteration of my speakers (3-way horn and mono sub-bass, crossovers 100-500-5k). Seems I've got more slam and punch but also gorgeous cello lines compared with the old midbass enclosures (resized Edgar's Show Horns).
Very nice. Say more about those bottom horns.
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Old 6th February 2020, 04:05 PM   #3272
DorinD is offline DorinD  Romania
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Originally Posted by djn View Post
Very nice. Say more about those bottom horns.
Before these strait midbass horns I had Bruce Edgar's downsized "Show Horns" and pretty satisfied (not so when playing cello lines). But I used to look after a strait horn to replace them. Not that eager to DIY one of the projects available here or else (not having a proper workshop) my attention was captured by a pair of empty 12inch horn enclosures on US eBay (see the picture). I also found the originals which are made by Audac and named HS212 and got a good deal for a pair from Germany.

Initially I wanted to eviscerate the inside coaxial HF horn but --as it also play phaseplug role-- I let it in place and just used all speaker as it is crossed at 600Hz and 100Hz with the rest of my 3-ways horn system. Now the system is rock solid, I can throw on it anything and doesn't complain at all. All percussion instruments, especially piano which I know how it should sound, are superbly reproduced. It is very liniar till 110Hz where it falls sharply.
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File Type: gif s-l1600 (1).gif (123.6 KB, 396 views)
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Last edited by DorinD; 6th February 2020 at 04:10 PM.
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Old 7th February 2020, 08:18 PM   #3273
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Thanks D. Very cool looking horn. So it is playing from 100hz to 600hz? I wonder how it would sound with a good compression driver.
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Old 7th February 2020, 08:42 PM   #3274
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Did a little research on these. I think I'm going to look for a pair. With a sub or two they may work well.
Attached Files
File Type: pdf HS212_InstallationManual (1).pdf (377.0 KB, 16 views)
File Type: pdf AUDAC-HS212-Technical Drawing (1).pdf (187.3 KB, 13 views)
File Type: pdf AUDAC-HS212-MK2-Acoustical data (1).pdf (57.1 KB, 18 views)
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Old 7th February 2020, 10:53 PM   #3275
DorinD is offline DorinD  Romania
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Welcome DJN. Not sure about using it with compression driver as it has large throat for a 12 inch direct radiator in close back chamber. Adding subwoofer you can use it full range --it's coaxial HF horn is taking over from 1.5kHz-- it should not be that bad compared to a synergy which looks cooler.
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Last edited by DorinD; 7th February 2020 at 10:56 PM.
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Old 8th February 2020, 12:50 AM   #3276
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That horn has a compression driver attached from the factory it says. Didn't say which one so dont know the quality.
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Old 8th February 2020, 09:19 AM   #3277
DorinD is offline DorinD  Romania
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I didn't take it apart yet, I'll keep you updated as soon as I'd have these inside details.
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Old 8th February 2020, 03:00 PM   #3278
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Great, thanks Dorin.

P.S. I think these look way cooler than the synergy!!!
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