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Old 15th June 2012, 08:23 PM   #191
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Just chiming in, the original dual driver sub seems to have really came to life the last week or to, so to speak. Apparently the drivers have broken in. I had to turn the gain on the amplifier back about 25 percent.

I am finishing my basement remodel and i want to build something rediculous for it...........need to find a suitable larger driver.
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Old 15th June 2012, 11:12 PM   #192
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Heres something rediculous!
Tapped Horn TH-121 build
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System: Hitachi HT-320, HK 330a, Energy 3.1e speakers and xbox360, android phone headphone out for hirez FLAC playback.
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Old 17th June 2012, 10:15 PM   #193
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Ain't it tho'!
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Old 18th June 2012, 12:39 AM   #194
bjorno is offline bjorno  Sweden
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Hi,

FYI, The TH-121 build needs an EQ and probably delayed mains: Why not save the extra equipment cost and instead spend the money= adding on one more driver..

b
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Old 19th June 2012, 01:50 PM   #195
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No EQ for me. I think TQWT (love the way these sound) with a few 12's or even a 15 would be great. My main caveot is that I have an APA150 from dayton audio for the project, so maximum output with minimum input voltage is what I will need once again. I have a feeling that I have not even come close to pushing the dual 8X12 speaker to its limits, which are substantial.
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Old 25th June 2012, 04:05 AM   #196
uptime is offline uptime  United States
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Default And two equals true love....

Quote:
Originally Posted by tb46 View Post
Hi uptime,

Just two more thoughts: tulle is usually very tightly woven, maybe a loose weave cheesecloth would be a better choice; and an occasional dowel (or piece of wood scrap) between the back (or front) board and nearest inside board can't hurt, even though these boards are pretty narrow to begin with.

Regards,
Once again, I just wanted to thank everyone for their help on this one. And the second one! We built the second box and this time using better stuffing and not as much. And they are both very nice! There is just something about having nice bass response in stereo. I personally just find that I really don't like bass coming from one side of the room no matter where you put it. And since I already have two 72 inch ribbons, these go very nicely right next door to them.

Since we built them, I have built two more traditional ported speakers using a Hivi m8n, a Tang Band W5-704D, and a Dayton Audio PT2C-8 Planar Tweeter. I hung them in my home office, and I must say that they make for a very nice combination in that room. If anyone is interested, I would be happy to start a new thread.

My next project is one in where I am going to attempt to make a bit smaller set of speakers, but I have really come to like the bass response from these larger drivers. I have tried a bunch of drivers, and I must say that I am still partial to ribbons for the mid to highs and the tang bands and hivi's for everything else. But I am willing to be convinced to try anything. As long as they are affordable.

On the next one (a three way), and because I am trying to make them smaller, I am thinking of either a sealed box for the sub or something like a horn. On these, I would still like to focus on the low end. I would also like everyone's opinion on it, but I will start a new thread.

Anyway, a big thanks goes out to bjorno, tb46, Permo and the rest of the gang for making all of this possible.
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Old 25th June 2012, 10:18 AM   #197
bjorno is offline bjorno  Sweden
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Quote:
Originally Posted by uptime View Post


Once again, I just wanted to thank everyone for their help on this one. And the second one! We built the second box and this time using better stuffing and not as much. And they are both very nice! There is just something about having nice bass response in stereo. I personally just find that I really don't like bass coming from one side of the room no matter where you put it. And since I already have two 72 inch ribbons, these go very nicely right next door to them.

Since we built them, I have built two more traditional ported speakers using a Hivi m8n, a Tang Band W5-704D, and a Dayton Audio PT2C-8 Planar Tweeter. I hung them in my home office, and I must say that they make for a very nice combination in that room. If anyone is interested, I would be happy to start a new thread.

My next project is one in where I am going to attempt to make a bit smaller set of speakers, but I have really come to like the bass response from these larger drivers. I have tried a bunch of drivers, and I must say that I am still partial to ribbons for the mid to highs and the tang bands and hivi's for everything else. But I am willing to be convinced to try anything. As long as they are affordable.

On the next one (a three way), and because I am trying to make them smaller, I am thinking of either a sealed box for the sub or something like a horn. On these, I would still like to focus on the low end. I would also like everyone's opinion on it, but I will start a new thread.

Anyway, a big thanks goes out to bjorno, tb46, Permo and the rest of the gang for making all of this possible.
Hi,

Thank you for your feedback, always nice to read.
Sealed subs are always a good idea but I prefer a single T-TQWT as main sub
together with a couple of smaller ( 15-20 L) lateral placed closed box subs.

Submitting a picture of a smaller T-TQWT using a favorite driver, the Wavecor
-SW178WA01 that provides IMO,IME outstanding SQ (Music use).

b
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Old 12th October 2012, 06:58 PM   #198
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I haven't forgot about you guys, I will be starting another project soon and I can't wait to work with everybody on it again.

I think I am going to wait for the 8X12's to go on sale again and buy 4 of them......?


This sub has impressed everybody that has heard and seen it, its beautiful, sounds great and is quite a conversation piece.
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Old 12th October 2012, 08:09 PM   #199
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I don't think you will see them on sale again - they appear to be a discontinued product now.

Please let us all know if you can find a source to buy them, they are a pretty good sub driver for some applications.
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Old 19th December 2012, 02:50 PM   #200
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I am moving this subwoofer into my big home theater in the basement and looking at placement options. I think I already know the answer, but it is it optimal to face a horn subwoofer so the throat is pointed up (towards the ceiling) in a corner? I am thinking that would not be good.
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