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Why so few speakers with Passive Radiators?

Folks,

What are your thoughts on Passive Radiators in speaker design?

I've had many different speakers (and like many here, have heard countless varieties outside my home), from ported, to sealed, to passive radiator, to transmission line.

In my experience by far the best bass has come from the Thiels I've owned - CS6, 3.7, 2.7 which use passive radiators.  The bass in these designs are punchy yet as tonally controlled, or more, than any other speaker design I've heard.  So I figure the choice of a passive radiator must be involved somehow, and it makes me wonder why more speaker designers don't use this method.  It seems to give some of both worlds: extended bass, no port noise, tonally correct.

And yet, it seems a relatively rare design choice for speaker manufacturers.

Thoughts?
prof

Showing 1 response by brewmasterdon

brewmasterdon
68 posts
 

No, not at all, Tidal, Vimberg, Kaiser, Marten simply don't know what their doing, and Purifi developed a PR for their new drivers because they don't have a clue either!! It's obvious that these cost no object manufacture's who rely on measurements to design their products have chosen PR's because they cost more and has zero to do with sound quality!! I would chose sealed and PR speakers before ported everyday of the week.


Don

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