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In Reply to: RE: Are you conflating terms here? posted by John Elison on April 22, 2015 at 01:19:30
Hey John,
As knowledgeable as you are in several areas, Jaundiced Ear is correct on this point. Whether a port-and-duct or a passive radiator, the design is bass reflex.
:)
Follow Ups:
Regardless of how they're labeled, the only thing that matters to me is how my Thiel speakers perform. With regard to woofer pumping from vinyl they perform like acoustic suspension speakers. All ported speakers I've owned exhibited significant woofer pumping when playing vinyl records, but the Thiels don't. Apparently, passive radiators provide the best of both worlds.
Best regards,
John Elison
nt
I expected the Thiels to pump with vinyl, but they don't, so I'm happy.
John,
This probably has nothing to do with having a passive radiator rather than a port. A system that is direct coupled all the way from cartridge to driver should pump from vinyl regardless of driver loading. If it doesn't, it's likely that something in your signal path is not direct coupled. Probably your phono stage or line stage. But Thiel's use a complex crossover, so there might be a series cap in there.
Dave
You should be happy with them whether they pump on vinyl or not!
JE
JE
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