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IMGA0750.... 75 kb
This horn turned out to be one of the most impressive designs and is still one of the best sounding speaker that I've heard as a stand alone (without a subwoofer). Linear bass down to 35hz. The bass has amazed everyone . 1 - 6" driver
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IMGA0741.... 83 kb
Clabby style, Voigt Pipes. This design allows the driver to articulate almost as well as an Open Baffle. Rolls off at about 70hz so it must have a subwoofer
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IMGA0855.... 69 kb
Hedlund construction..I widened the design 19mm and added a center piece through the entire horn for structure where it needs it the most. This splits the horn into dual flute. Sounds better than any bass reflex. Rolls off at about 50hz
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000_0249.... 100 kb
18" Wavebox subwoofers and 12" coaxials I built for a night club
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000_0351.... 49 kb
Homebrew Glory SET 45 (Modded) The best sounding amp that I've ever heard ( at low volume levels)
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000_0318.... 61 kb
SET 2A3 Homebrew modded Loften / White design The second best amp that I've ever heard ( at low volume levels)
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000_0611.... 68 kb
Tractrix 180 (22" diameter) and Tractrix 150 (33" diameter) in raw fiberglass just before going to the paint shop.
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000B0411.... 100 kb
Pouring urethane into the Tractrix 150 mould
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000_0698.... 52 kb
Tractrix 180 with rear chamber = Tractrix 80hz...2A3 on the right ,SET 45 on the left...
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000_0691.... 46 kb
Super tweeter platform will accommodate any tweeter...I've tried many!
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000_0702.... 32 kb
Tractrix 150 on top of Lascala with a 1 cubic ft. rear enclosure tuned @ 100hz
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000_0700.... 38 kb
Lowther DX3 in rear chamber prior to attaching horn
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000_07261... 26 kb
Lowther DX3 / Tractrix 150 / Lascala
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000_0751.... 39 kb
Hedlund and Mini Hedlund . I liked the style of the Hedlund so I had to make a mini. It sounds great too
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000_0754.... 52 kb
Mini -Hedlund Weighing in at 120 lbs....
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000_0771.... 49 kb
Stonehenge VI , 9 cubic ft bass reflex tuned at 38hz..built with a combo of birch and MDF
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000_0822.... 44 kb
PAudio 15" Coax/ 15" Eminence / 9cubic ft. Bass Reflex / Tri-amped
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000_0847.... 53 kb
Origional design 6.5 cubic ft. bass reflex for Tractrix 180 front horn
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000_0855.... 33 kb
Tractrix 180 front horn set in a box to support it and the super tweeter. The cabinet matches a bass cabinet underneath.
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000_0859.... 37 kb
Tractrix 180 on top of it's matching bass cabinet
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000_0860.... 45 kb
Tractrix 180 Front horn powered by SET 2A3
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000_0967.... 48 kb
On the Left in Birch and the right in MDF This is truly the best sound that I've heard to date!
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000_0957.... 48 kb
After experimenting with different box tuning , rear port or front port , I settled on this one and used Birch for front rear and internals
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000_1007.... 34 kb
Homebrew 2A3 with Stepped Attenuators . Modified Loftin / White design
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000_1032.... 42 kb
This is another very good sounding project involving the new 10" Super Audio Nirvana/ Open Baffle and an Eminence 15" in a bass reflex. This is the best sound for the buck that I've ever heard.
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000_1074.... 38 kb
Monica 2 DAC (kit from DIY Paradise) with a 6H6p gain stage , sounds almost as good as vinyl
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000_0989.... 45 kb
My favorite!
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000_1184.... 56 kb
K15 Karlson with a dowel added to support the rear baffle
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000_1191.... 54 kb
K15 Karlson first testing using a 150watt x 2 class-t amp and xm radio as a source.
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000_1206.... 46 kb
Karlson K15 and Son K3.5
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K15_K12_K... 45 kb
Karlson K15, K12, K8, K4 Bad Ass! DJ cabinets
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000_1353.... 38 kb
A new Tang Band project with 4" full rangers
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100_0284.... 53 kb
Ball speaker project with full range crossoverless coaxial and active woofer
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100_0634.... 58 kb
18" Diameter 300hz Tractrix Horn for 4" Fullrangers polished to a black piano finished. I finally own a pair of horns with WAF
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100_0468.... 39 kb
Tractrix Entourage
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100_0758.... 39 kb
10" Audio Nirvanas in a 150hz Tractrix Front Horns on top of Double 12" Push-Pull bass cabinets
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100_0811.... 33 kb
Truncated Pyramid Tapered Quarter Wave Pipe for 3" Full range
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100_0815.... 41 kb
Spawn of Frugle Harvey 1V1 . My favorite horn
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100_0819.... 49 kb
Fostex 206E not right for this cabinet..way out of balance
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100_0828.... 34 kb
10" Audio Nirvana sounds great in the Bruce 1v2 enclosure
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111.jpg 100 kb
25 watt x 2 Class-T Amp from a kit by 41Hz.com . At full volume, on pause, has absolutely no sound which works well with the efficiency of the Tractrix Horn.
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100b_1147... 100 kb
I think that this is the worlds best subwoofer design. This is a Double 15" Push-Pull. I'll never build a bass horn again.
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100c_1181... 92 kb
1000 watt class d amp rear
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100a_1173... 84 kb
1000 watt Class D Audio amp kit that I built with a blank chassis that I picked up in China. Closest sound to my tube amps.
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