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The Round Mounds of Sound (Read 3816 times)
Randy in Caintuck
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The Round Mounds of Sound
01/04/13 at 15:59:29
 
A couple of weeks ago, I was bitten again by the "speaker builder bug" and decided to build a set of speakers based on the amazing Wild Burro Audio Betsy 8" OB driver.  These puppies are only $100.00 a pair, 92.5 db efficient and are as musical as anything I have ever heard .....

In addition to the Betsy drivers, a pair of Hawthorne Audio Augie 15" drivers (driven from plate amps) and Heil Air Motion Transformers (as super tweeters) were used.

Here is what I came up with .....





Larger photos here and here.

They sound mighty good to my ears and didn't turn out too badly for a "hillbilly wood butcher" .....

Happy listening in 2013,

Randy
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CEC TL-2 belt drive CD transport
Camelot Uther / Anagram DAC
Decware Model SE84C+ amplifier
Greenvalve Audio Type 10 amplifier
Parker Audio Troll Magnus speakers
"Mini Me" OBs - with Hawthorne Augies, Wild Burro Betsy drivers and Heil AMTs
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JD
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Re: The Round Mounds of Sound
Reply #1 - 01/04/13 at 17:35:34
 
Great setup!  Never seen anything like the "round mounds of sound"...well done.

JD
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Randy in Caintuck
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Re: The Round Mounds of Sound
Reply #2 - 01/05/13 at 02:01:46
 
Hi JD,

Thanks for the kind words .....

I thought you (and the other readers of the forum might enjoy some additional "audio eye candy" from the Hawthorne Audio photo gallery.

There is some neat stuff to look at here.

When you see some of the speakers and other things some of these guys have built, it's easy to see why I refer to myself as a "wood butcher" .....

Enjoy,

Randy
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CEC TL-2 belt drive CD transport
Camelot Uther / Anagram DAC
Decware Model SE84C+ amplifier
Greenvalve Audio Type 10 amplifier
Parker Audio Troll Magnus speakers
"Mini Me" OBs - with Hawthorne Augies, Wild Burro Betsy drivers and Heil AMTs
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Steve Deckert
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Re: The Round Mounds of Sound
Reply #3 - 01/05/13 at 05:27:51
 
Visually Stimulating as well!  Nice Job!  Makes me crave sawdust.

Steve

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Chris K
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Re: The Round Mounds of Sound
Reply #4 - 01/06/13 at 03:50:43
 
Cool Randy! So what of the B200/Heil MTM set up? You not selling those B200's for a profit are you? Grin
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« Last Edit: 01/06/13 at 03:51:20 by Chris K »  

Hi-Fi Gear: More than I need! Not as much as I want!
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Randy in Caintuck
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Re: The Round Mounds of Sound
Reply #5 - 01/06/13 at 04:02:07
 
Hi Steve,

Thank you, sir .....

You will be happy to know that the speakers sound just dandy with the SE84C+ .....



Hi Chris,

I still have the "big dog" baffles.  You know how I am ..... a total audio packrat.  I still have the first vacuum tube I ever bought .....

Best wishes to you and Steve and I'm looking forward to seeing both of you at Zen Fest 2013,

Randy
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« Last Edit: 01/06/13 at 04:09:50 by Randy in Caintuck »  

CEC TL-2 belt drive CD transport
Camelot Uther / Anagram DAC
Decware Model SE84C+ amplifier
Greenvalve Audio Type 10 amplifier
Parker Audio Troll Magnus speakers
"Mini Me" OBs - with Hawthorne Augies, Wild Burro Betsy drivers and Heil AMTs
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tom collins
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Re: The Round Mounds of Sound
Reply #6 - 01/09/13 at 15:01:19
 
hi randy, looks fantastic.  this is tom over in independence and we met up at the zenfest.  i would love to hear those some time.  btw, i got my second piece of decware on monday, the phono pre.  i'll post my system when i get everything put back together and can get a good pic.
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Randy in Caintuck
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Tube be ... or not
tube be ... it's a
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Posts: 409
Re: The Round Mounds of Sound
Reply #7 - 01/09/13 at 21:46:48
 
Hi Tom,

Good to hear from you ..... I was thinking about you a few days a go.
We will definitely get together sometime soon for a listening session.

By all means, let's see some photos when you get everything together .....

Best wishes,

Randy
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CEC TL-2 belt drive CD transport
Camelot Uther / Anagram DAC
Decware Model SE84C+ amplifier
Greenvalve Audio Type 10 amplifier
Parker Audio Troll Magnus speakers
"Mini Me" OBs - with Hawthorne Augies, Wild Burro Betsy drivers and Heil AMTs
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rmt
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Re: The Round Mounds of Sound
Reply #8 - 01/12/13 at 03:03:50
 
Those speakers "look" musical.
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Select, CSP2 upgrade, Dec 685, DSRii, home built Nibbelin NFX w/DFR-8s, Klipsch RF-7, SE34.I, Zbox
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Randy in Caintuck
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Tube be ... or not
tube be ... it's a
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Posts: 409
Re: The Round Mounds of Sound
Reply #9 - 01/18/13 at 20:42:13
 
Hi rmt,

A few of the guys I work with opined that .....

"It looks like a pear" .....

"It looks like a guitar" .....

and, of course, the bluegrass musician said "it looks like a banjo"  

After living with the speakers for a few days, I decided that the mid-range and upper bass could use a little bit of help and added some "stealth" side panels.  This really improved the tonality, while keeping all of the good qualities I enjoyed about the speakers .... focus, detail, depth and width of image and the ability to pull a "disappearing act" while the music is playing.





Larger photos here and here.

I now refer to them as the "Darth Baffles" .....

Best wishes,

Randy
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CEC TL-2 belt drive CD transport
Camelot Uther / Anagram DAC
Decware Model SE84C+ amplifier
Greenvalve Audio Type 10 amplifier
Parker Audio Troll Magnus speakers
"Mini Me" OBs - with Hawthorne Augies, Wild Burro Betsy drivers and Heil AMTs
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stone_of_tone
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Re: The Round Mounds of Sound
Reply #10 - 01/23/13 at 16:24:29
 
Wow Randy....those are awesome. I need to post some pic's when my Zu Union's come. I won't have that kind of bass until I add a Sub! Awesome room and layout too....to say the least.  -Stone
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Sony as Transport
Illuminati D-60
Audio Alchemy DTI-Pro
Audio Magic Mystic Reference I2S
Audio Alchemy DDE 3.0
Kimber Select 1030
Zen Select #76
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Polk Audio LS-90
Tri-config/TipToes & Vibropods underneath Speakers
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Pale Rider
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Posts: 1272
Re: The Round Mounds of Sound
Reply #11 - 03/23/13 at 19:18:35
 
Love some of those Hawthorne builds, and I really like the Round Mounds of Sound. Not so much a picture as a diagram of my Decware system, as Steve already posts better pics of his stuff; on the two ZRACKs, this stuff looks pretty good:
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20130323_GLH_AudioSystemDiagram_001.jpg

Decware: Ultra | Torii MKIII [2] | SE84ZS | Taboo MkIII Sources: Synology 1812+ | Baetis Revolution | PWD DAC MKII | Lumin Network Player | Mytek 192 | Oppo 105 DSP: DEQX Mate | Emotiva Outputs: ERR [6] + Servo Subs | LCD-2 & other cans
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