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Jackhammer 24


jcro_61

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Posted

That is one metric assload of moving mass for a sub. I bet it will perform much worse than it's 22" round counterpart, and that was lackluster at best.

My System:

Pioneer AVH-P3200BT

4-Dayton 7 inch reference series (front doors)

8-Onkyo 3/4 inch tweeters (dash)

1-Sundown Audio 100.4D (mids/highs)

2-18" BTL's (for now)

Crescendo 3kwp (for sale)

Complete rebuild coming soon...

Posted

probably has the same cone area as a 26'' Cirlce sub

24" square 24 x 24 = 576sqin

26" circle (26/2)pi x 13^2 = 530.92sqin

27" = ~572sqin

I was close!

Team DC!

2005 F150 | Pioneer | Infinity Kappa 6x8's | MTX 3404 4 Channel | Q Logic Kicks | KNU | DC | AQ |

1998 Taurus | Alpine | Punch 5x7's | Rockford Fosgate | MTX | KNU |

Posted

Has anybody heard their normal sized thundersquares in action?

2015 Chevy Sonic

CTX65cs - Image Dynamics 6.5" front

CTX65 - Image Dynamics 6.5" rear

Rockford Fosgate 3Sixty.3
Rockford Fosgate PBR300x4
Sundown SAE-600D

Sundown SD3-10

Posted

someone did try in dB Drag.

The sub motor isnt strong enough to push the heavy cone and stiff suspension.

Couldnt even break 150 dB

I could get louder with 2 12s.

if your talking about who i think your talking about, you must also remember that guy is a complete tool. that enclosure was a total joke.

i would love to get a hold of one of these. with the right build it would probably change a lot of peoples minds.

Owner of BigAss Ports

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Posted

It's a real shame, I absolutely love large diaphragm speakers. Turbosound 21's in large horns were great when you used them like they were supposed to, which these designers have forgotten. Large diaphragm drivers have a large diaphragm so to move a large amount of air with little cone movement. Thus, you could design the loudspeaker to be incredibly responsive, effecient and have great linearity without sacrificing pressure.

This thing is just a big lump of scrap. It took many many tries to get the full Theile/Small parameters for the older driver and really, when you do, it's nothing special at all.

Cheers,

Mick

Work;
DiGiCo D1 Live / MIDAS Heratige 1000 / MIDAS Venice
Meyer Sound CQ-1's, CQ-2's, PSW-2's
RAMSA Monitor Amplifiers
P.Audio Monitors
BSS OMNIDRIVE and Soundweb
DBX 231 and Klark Teknik DN360 EQ's
RCF TT22A
RCF ART320

Posted

shoot look at pimp my ride with the first jackhammer they did a 130 ish then with two it was like 135 or so

lol. but i haven't and i don't plan on it. plus i'd probably miss and hit her belly button or her ear or something. lol.

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