LjudLahger project

Yeah, I will research after the program so maby I just could put my cad drawing in to it!

But here is what I have done for a while...

 












It is a downscale 1850 "15 inch" with some mod on the chamber. And because we only could be at the workshop at night I put it together at home

Are going to do another one in this weekend...

And we did some listening to!

As expected, really "punchy" cab and with some freq sweep 20-500hz it did sound as the curve with hornresp. I would say that this could be used from 60-400hz without that "honk" and getting into x-mech, but this is my opinion. Everybody has their own taste and reference.

R&B with very low bass did almost not exist.

But dance music and rock, ride on!

When we got our two cabs done, we are going to let them breath in a bigger place because the test was done in a small room and I could not give all I got.

So the questions is, should we build 2 more, 4 total, or 2 scoop's under...and what should we name it?





Edited by SweSound - 27 April 2009 at 10:57am

I know that it's a big cab for kick but now it's done so...

More would go deeper, right?

We could in the the future build some sub with 18" because it's hard to go low with this kappa because its x-max...

And I got one more question,

when I look at the x-max plot in hornresp, if the cone moving 10mm at some freq, and I do lets say -3dB with the in signal at the freq, would the cone just move 5mm then?

interesting!!!!!!!!!!!!lol

let me know how they perform lols

any plans? cut sheet hahaha

Thank you, thank you!

Plans maby will be released here after real testing...

And things are getting pretty done, only the "door" left, right now I have to kick it in place...and some routing the corners everywhere and speakonplate...

Dont forget to put the front brace in.
I once modeled the 1850 in ansys without the front brace and boy did it wobble.
In particular the bottom panel will resonate heavily, can be used to musical effect though! try bashing it with a clenched fist and listen to it ring.
boab

And I weight them today, 50kg.

So right now I'm listening to my new "hifi" sterio



They sound very nice with a cut at 200 because that's probably where we gonna cut our 10"...

And I downloaded a tone generator, and to my ears they start dropping at 70-80hz...not very good, but maby it's not much, would be best with a microphone. And up to 400hz ...

But still are we going to test them in a bigger place, hopefully in this week 
Because right now my neighbours don't like me...