RE: Bass "sloped response.... tied to directivity as well as response."

Well a great deal of research has been done to find what is the ideal response curve at the listening position and expert listener or not the preferred response shape is a gradual roll off.

goggle this topic, look for Floyd Toole he was one of the earlier researchers into this.

Now the confusing part is, for small speakers that due to their size have little directivity, the response on axis at 1 meter is flat. But as one goes down in frequency where the wavelength is larger and larger, the room is acoustically smaller with less and less absorption.

Below the room's lowest mode, your in the pressure mode where "IF" one had a woofer that was flat to say 10Hz, the room SPL would rise up to +12dB/oct hence a sealed box in that case is idea.

If you have a speaker with significant directivity (and less room involvement), you may have to apply some /all of that slope to get it right at the couch.

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Follow Ups Full Thread

Topic - Harbeth Nelson - Bill the K 22:58:26 10/23/24 (19)

RE: Harbeth Nelson - double28 13:24:28 11/9/24 (1)

the importer is not bringing it into the U.S. - mbnx01 19:34:51 11/28/24 (0)

RE: Harbeth Nelson further thoughts - Bill the K 23:41:08 10/29/24 (1)

They claim it's a 35 - 75 hz +/- 3 db system but... - peppy m. 06:02:12 11/4/24 (0)

A pair of five inch "subwoofers" for $3500? - E-Stat 12:12:25 10/24/24 (8)

Ah, just enough to reinforce a nice mid-bass hump... And a poetic dedication - peppy m. 03:21:17 10/25/24 (7)

Sorry - E-Stat 05:49:59 10/25/24 (6)

Bass is hard - tomservo 06:32:46 10/25/24 (5)

RE: Bass "sloped response.... tied to directivity as well as response." - peppy m. 07:42:50 10/25/24 (3)

RE: Bass "sloped response.... tied to directivity as well as response." - hahax@verizon.net 20:56:35 11/1/24 (0)

RE: Bass "sloped response.... tied to directivity as well as response." - tomservo 10/25/2409:52:21 10/25/24 (1)

Very informative, thanks ! (nt - peppy m. 10:01:20 10/25/24 (0)

Indeed - E-Stat 06:42:35 10/25/24 (0)

The captain of a British treasure ship that sank in the Sargasso Sea in the late 1600's... - peppy m. 03:52:34 10/24/24 (5)

RE: The captain of a British treasure ship that sank in the Sargasso Sea in the late 1600's... - Bill the K 05:43:50 10/24/24 (4)

RE: The captain of a British treasure ship that sank in the Sargasso Sea in the late 1600's... - hesson11 15:09:55 10/26/24 (0)

Lord Horatio Nelson came on the scene about a century later but... - peppy m. 06:20:08 10/24/24 (2)

Vice Admiral Horatio Nelson - Bill the K 09:52:57 10/24/24 (1)

Nelson Pass - Bill the K 03:00:05 10/25/24 (0)

Follow Ups

RE: Bass "sloped response.... tied to directivity as well as response." - tomservo 10/25/2409:52:21 10/25/24 (1)

Very informative, thanks ! (nt - peppy m. 10:01:20 10/25/24 (0)

RE: Bass "sloped response.... tied to directivity as well as response."

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