What are the specs of a full range speaker?

A speaker that has strong output at 30hz may not be truly fullrange but is plenty of low bass for most music.

Room lock and room shudder are a couple of terms I like to use...room lock sets in around 30hz (or so) as you feel the bass grip the room, we've all felt it I think...feels good.

Room shudder sets in a bit below room lock and can cause the whole room to literally shudder depending on how strong the output is...mostly movies and some New age music come to mind.

Dave

Bartokfan

The measurement is from the "Thor"...-3db at 45hz would mean bass output (SPL) has dropped by around half at that freq. Most speaker systems are rated at their -3db points although how and where the measurements are taken is often not clearly stated.

The 12db figure...bass will be down in level by 12db at the next octave lower...a lot

Usable in room response means...some amount of sound that they deem "usable" will be output at those freq's. By saying in room, I guess they are saying that you will get some amount of bass help from the room....Maybe not in your huge room?

Dave

Tvad said:

"Not intending to be argumentative here...merely "debative", but it seems to me anything that contributes to a more airy and alive sound also corresponds to the illusion of real music."

I have not used super tweets before " more airy and alive" does fit with what people who have used them have described to me. It may be like the deepest bass thing...not something you hear outright but still can detect (although not in the same way we detect deep bass, ie...massive amounts of air movement). Maybe some degree of upper freq harmonic structure is reproduced from the recording that (normal?) tweeters can not dig out, but can be detected when reproduced.

Deep bass:

I have two full range speaker systems...one plays well below 20hz, the other is flat to 30hz...both fairly large mass.

The differences are both "very small" and "huge"...depending on choice of music, (or movie). Mostly small for my musical tastes which are Jazz/Blues/Rock.

Dave

Most # fudging of specs takes place in the book shelf and small floor stander market...after all, how else can those little speakers move massive amounts of air with out a little fudge on top....added weight so to speak.

Dave

Bartokfan

"back to the idea of full range, options/tradeoffs."

Your speakers (if they are the ones at the Madisound site have a spec of -3db@45hz, all things being equal...if we compare them to speakers that measure -3db@90hz...which one has more trade off?

If another person has speakers that measure -3db@20hz and we compare them against yours...we have a nearly equal trade off...an octave.

Of course this is assuming we are playing software with fullrange info on it....you can't miss whats not there.

If you listen to a lot of large scale classical music...you are missing a lot and the results would be as clear as a cloudless day with a truly fullrange pair of speakers placed next to yours...assuming again, that you liked the overall sound of the new speakers....Not Apogees of course!

Dave

Macrojack

Room anomalies take place in all rooms, and with all speaker systems. The room and the speaker system are an equal partner and must be made to sing together...in harmony.

Room modes are "modal" or "non-modal" peaks and dips. Modal are room related and non-modal are speaker/seating related...ie, caused by speaker placement or seating placement in relation to room boundaries.

Modal...room treatments can help smooth these peaks and dips out a bit...a small amount of EQing can bring down some of the peaks even more. You can not EQ out a large dip (null) in freq response...move the speakers and or listening position a bit if non-modal...move around or add more room treatments as needed if the problem is modal....could be also a combo of both.

If your the conductor of a large orchestra trying to get all the sections to sing together...in harmony, and the bass instruments just won't cooperate for several reasons...Do you blame them and:

1. Get rid of them and declare the music sounds better without them anyway.

2. find out what the heck the problem is and come up with the fix.

I think some people go with #1

Dave