In Reply to: The folded horn in my Edgar Horns uses a 12 inch JBL musical instrument driver... posted by Ivan303 on September 11, 2016 at 15:23:29:
There was a version without the metal dust cap.
Mine were definitely not re-coned - though my cabinets were unfinished - not one he sold as RETAIL - maybe the folks who bought them READY TO GO got re-coned drivers.
I think this box is Romy Besnow's favorite of Edgar's sub 500 hz horns.
My room seemed to be a little too big for them. The giant straight horn I replaced them with went in the other direction. I do remember liking the character of the JBL 12 better than the EV. I got off-track when I brought up the EV before. I knew which driver you had but was trying to write/think quicker than I am actually able! Sorry for the confusion.
I spent many hours massaging those boxes. I smoothed all of the corners - coated the inside and out with many coats of shellac. I installed slots on both sides for sand damping. Whether any of that made them sound any better I have no idea but I HAD to do it!
They are good sounding.
You should consider getting the TRUEXTENT diaphragms. They were a big improvement. And the FANEs are just a stop gap. You might find you do not WANT them if you try the TRUEXTENTs. I am using the FOSTEX T500s but wonder how important they really are. One of those things where you just like knowing they are there.
Do try out REW - it is free though you will have to get a decent mixer and a microphone but it can tell you lots of interesting things.
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Follow Ups
- Mine had the same driver - rickmcinnis@dogwoodfabrics.com 12:01:31 09/12/16 (18)
- What model JBL 12 inch driver? - Ivan303 07:52:17 09/14/16 (0)
- RE: Mine had the same driver - EduardG 15:57:00 09/12/16 (9)
- I would not doubt that for a second - rickmcinnis@dogwoodfabrics.com 11:02:22 09/13/16 (0)
- What about the Fostex T90A? - Ivan303 18:49:21 09/12/16 (7)
- RE: What about the Fostex T90A? - Ed Sawyer 11:19:15 09/20/16 (5)
- RE: What about the Fostex T90A? - EduardG 16:53:56 10/06/16 (1)
- RE: What about the Fostex T90A? - horn kid 12:25:12 10/07/16 (0)
- LOL! So your recommendation is 'build more amps!' - Ivan303 06:45:06 09/21/16 (2)
- RE: LOL! So your recommendation is 'build more amps!' - Ed Sawyer 07:10:48 09/21/16 (1)
- RE: LOL! So your recommendation is 'build more amps!' - horn kid 06:39:09 09/22/16 (0)
- RE: What about the Fostex T90A? - EduardG 22:07:27 09/12/16 (0)
- If you have a schematic of the original x-over laying around.... - Ivan303 13:08:19 09/12/16 (6)
- RE: If you have a schematic of the original x-over laying around.... - EduardG 22:10:03 09/12/16 (5)
- IIRC, yes and with a 16 Ohm resisitor in - Ivan303 06:13:11 09/13/16 (4)
- I do not think a paralleled resistor would attenuate - rickmcinnis@dogwoodfabrics.com 11:08:13 09/13/16 (3)
- I think the 16 Ohm resistor (15 ohms in real life)... - Ivan303 16:44:54 09/13/16 (1)
- More.... - Ivan303 07:45:46 09/17/16 (0)
- RE: I do not think a paralleled resistor would attenuate - EduardG 11:18:10 09/13/16 (0)