Some second thoughts... (Drive Units)

by GC, Wednesday, March 14, 2007, 05:57 (6225 days ago) @ Giovanni
edited by GC, Wednesday, March 14, 2007, 06:16

Yes, the pipe must be tuned to half resonant freq of the driver: the other
half is done by the free space in the ceiling where waves reinforces
without obstacles.

In my small dedicated listening room I've space for 35-40hz half waves, so
I thought to a driver with Fs in that range with a pipe 240cm long.

Maybe BD15 is overrated, as it needs a 40cm width pipe minimum, and goes
lower than I need, but it has the best spec.

The Pipe would have its own powerful amp and its own DAC. I have two DACs
sourced by PC with common master clock, so all EQ would be done (live) in
the digital domain.

Hi Giovanni

I'm not sure we were talking about the same thing here?

I were pointing at the "de-preassure" blessings, not the TL as such. :wink:

Maybe BD15 is overrated, as it needs a 40cm width pipe minimum, and goes
lower than I need, but it has the best spec.

But I don't think at all the BD15's is designed to meet TL criterias. It will play of course, but you will likely need some EQ regardsless the TL. The BD15 has a big magnet-to-moving mass ratio and does not look excactly as a TL dream driver to me.

But who said the bumble-bee couldn't fly? :pardon:


GC

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