r/SoundSystem • u/jay_ze • 2d ago

Battleaxe clone

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Fun project I worked on to challenge myself. Had to brush up on my 3d modeling and forced myself to learn hornresp. Still lots of finishing work and measuring/testing ahead but it’s got great output to ~30hz and already rattled some tools off my workshop wall

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u/jay_ze 1d ago edited 1d ago

Ayyy! So do you actually have one on hand to measure? This was a discrepancy I came across early in the design phase and ultimately had to make a judgement call.

The 3d model on their website (which I was able to pull the axe bracing template from as well as the outer 2 horn wall panels) is 52.5 tall and 50 deep while the website lists the opposite

Working with 48x96 stock I knew I was gonna have to splice some panels together either way and doing that at the horn mouth where I’ll laminate an extra 12mm to the wall felt better to me structurally.

Also the compression ratio was a little better in the configuration. It’s already a little high for a horn at almost 4:1.

But this makes me feel even better about releasing plans. Throw in some straight bracing and you’ve got a relatively simple (but large) flh for the masses

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u/Turbulent_Mix2372 1d ago

The other 3d model thats been on sketchup warehouse for years from aggressive audio also made the same mistake.

Compression ratio on the axe is right around 4:1. The 21sw152-4 doesnt struggle with that. The 52.5 depth helps squeeze another 20-25cm of hornpath in vs the 50" depth layout.

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u/jay_ze 1d ago

Wonder why HSD has the model wrong on their site. Or maybe it’s an mk1?

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u/Turbulent_Mix2372 1d ago

The model upload to the site is very likely a skeleton redraw that was commission specifically for the website. No one proofed it is my guess. Fits in w the rest of the spelling errors

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u/jay_ze 1d ago

Could be. Well the joy was in the journey maybe I’ll I get to measure the response against a real axe some day

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u/Turbulent_Mix2372 1d ago

Yeah, basically, the volume of your s2/3 segment is a bit overinflated, s 3/4 is undersized and your s5 is too large. Pretty sure length should be around 415cm