Home Speaker Asylum

General speaker questions for audio and home theater.

RE: Many inmates

Which versions are your referring to?

While recently discontinued, the LSR6332 used similarly sized drivers with much lower xover points.

They now have a range of smaller monitors using 5" midrange/woofers and cross them at 1.9 kHZ.

Floyd Toole was all about consistent directivity even if his predecessors like Bart Locanthi were not.

edit: I was in the middle of answering your next question!

The short answer is you want the sound to appear that its coming from a single speaker as opposed to a collection of parts. That's the beauty of full range designs. One pebble in the pond.

Multi-way speakers present a challenge in that each driver has its own specific range based upon its size where apparent width is the same. Pushing a driver an octave higher than its ideal range causes a discontinuity that can be heard. One voice in the choir is not singing like the others.

I'll conclude with a visual called a directivity graph. Ideally, it would appear to have the same color from the left (low frequencies) to the right (high frequencies). In reality, even good speakers might look like this:

Wider at the bottom but pretty consistent as you move up the spectrum. What you don't want are decided "notches" where stage width shrinks at certain frequencies then gets wider up the spectrum! Note the gradually narrowing pattern in the upper midrange (where most instruments and voice live) only to get wider again starting around 5 kHZ where a tweeter kicks in. This is what's happening with the JBL.

A piano or voice should have the same apparent width regardless of frequency. Not get choked down in some parts of its range.




Edits: 03/10/21

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