High Efficiency Speaker Asylum

RE: Front loaded bass horn see pic

4.254.77.244

Kloss

In Reply to: RE: Front loaded bass horn see pic posted by freddyi on September 25, 2007 at 07:37:01

I would like 50hz in room. Maybe run up too 500hz or so thinking of useing 4 per 18in eminance sigmas.

Follow Ups:

RE: Front loaded bass horn see pic - kenpeter 08:33:35 09/25/07 (4)
And the volume of box those four 18" sigmas would require?
Or is this gonna be so heavily horn loaded it won't matter?
For that matter, is the horn loading supposed to "outwoof"
the rear in some sort of open baffle? I can't see the back,
so I have no idea whats going on there...
The minimum working length for bass horn is 1/4 wave???
I eyeball this horn about 1M long... Thats only 85Hz...
- http://www.phy.mtu.edu/~suits/notefreqs.html (Open in New Window)
Edits: 09/25/07 09/25/07 09/25/07 09/25/07 09/25/07
- RE: Front loaded bass horn see pic - Kloss 08:39:32 09/25/07 (3)
  open back, drivers will be like a OB but with front horn loading.
  - RE: Front loaded bass horn see pic - freddyi 09:33:45 09/25/07 (1)
    4-sigma 2M length x2M square mouth - - can't do OB rear but gave 99999liter back chamber
    for hell of it consider 4-8-10CF K's (4-6 sheets of wood) two side by side per channel feed them big cheap solid state watts put on some nice rap and have fun :^)
    
    Edits: 09/25/07
    - RE: Front loaded bass horn see pic - Kloss 13:03:43 09/25/07 (0)
      I think this could work well just hard to build to fit through my door.Would have to build in place or in parts.My end goal 3 way front horn t500amk2, tad 4001 and the eminance 4x18in front think 110db 4 ohm 50hz-35khz run on a nice SS or PP tube amp.Maybe build a large jenson imp or 2 for low end if needed.
  - RE: Front loaded bass horn see pic - kenpeter 09:27:02 09/25/07 (0)
    OK, but below 85Hz, I think it may be an acoustic short circuit.
    Seems silly to build all that, and then still need a subwoofer.
    I'm not sain it won't sound great up close where the bass rushes
    past on its way around the baffle.
    
    Don't get me to lying. I have no real world experience that
    would tell me this isn't gonna fill a huge room with bass.
    Just the numbers don't seem to add up.

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