Speaker Asylum

If there is any room left in the center of the port try...

108.206.133.82

DeKay

In Reply to: RE: boomy speakers, old wood flooring posted by blinx7 on July 21, 2014 at 07:04:15

compressing a piece of a cheap car wash sponge and placing it in the port (being careful not to push the original filling back).

The Trusonic speakers I saw in the 70's had thick fancy foam grills (like the ones on JBL L-100's), which may have further damped the ports.

Follow Ups:

RE: in the center of the port - blinx7 10:50:08 07/21/14 (1)
I'll give that a try.
Although, I'm not trying for less bass or less low bass, I'm trying for less boom. But every tool is definitely worth trying.
And yes, at one time these had those weird, extruded foam grilles; in lurid colors, too.
I always remind myself about that as regards dispersion and treble response-- those things must have shaved a lot off the presence end of things.
But that was before my time, and thankfully they went away and the grille frames are still here.
Covered in simple, black, speaker cloth. Black --it's the new lurid.
Thanks.

Edits: 07/21/14
- Definitely give it a try. Foam bass port plugs are a standard... - DeKay 18:15:06 07/21/14 (0)
  accessory for many speakers (to allow close to the front/speaker wall placement with reduced BASS BOOM).
  
  I gather (from your comment about the VIVID foam grills) that your living/listening room does not have shag carpeting (the Royal Blue grills were @ one time all-the-rave with Green shag;-).
  
  Too bad about the captive cab backs, and speaker gunk, as adding a little bit of fiberglass filling (or whatever is a suitable sub for such now) would probably help remedy the BOOM.
  
  As an experiment only (if you don't have a cheap/foam type sponge on hand you could try placing a piece of duct tape (or similar strong tape) over a portion of the ports to see if the added resistance helps @ all.

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