Anybody made a Nautilus

Tobi F. · 21st November 2003, 05:34 PM

Hello guys,

This is my first posting here.
As you can see, I'm from Germany, so my english is quite bad.

I am interested in a B&W Nautilus.
I don't see any problems to build this thing.
There will be any possible way.

But what about the theory.
Is this a reverse horn, or is this a reverse TML ?
What about the Sizes, Volumes so on ?

I would appreciate some information, if anybody has already
made some theoretical think-abouts.

Greetings

Tobi F.

tom1356 · 21st November 2003, 06:39 PM

try here.

resin loudspeaker cabinets

planet10 · 23rd November 2003, 05:48 AM

Quote:

Originally posted by Tobi F.
But what about the theory.
Is this a reverse horn, or is this a reverse TML ?
What about the Sizes, Volumes so on ?

It is a TL with no terminus -- 1/2 wave i believe... the idea is that by the time a waveform from the back of the speakers can get back to the cone it is completly absorbed/energy dissapated.

dave

moe29 · 23rd November 2003, 05:21 PM

i thought Kristijan said he would update us with how the project was going...

This is one POWER DIY project! They look simply amazing - i'm looking forward to
hearing how they finally turned out.

Lovan · 24th November 2003, 02:13 AM

Quote:

Originally posted by planet10

It is a TL with no terminus -- 1/2 wave i believe... the idea is that by the time a waveform from the back of the speakers can get back to the cone it is completly absorbed/energy dissapated.

dave

How is it exactly dampened/absorbed?
By the walls that will absorb the wave since it´s bouncing or are the cabinets stuffed with foam or something?
How much would you expect that it would dampen? 100dB?

How will this differ from a regular TL? Performance-wise.
Wouldn´t it be like an open baffle-speaker but without the OB rolloff?

planet10 · 24th November 2003, 05:21 AM

Quote:

Originally posted by Lovan
How is it exactly dampened/absorbed?
By the walls that will absorb the wave since it´s bouncing or are the cabinets stuffed with foam or something?

The line shape & the stuffing convert the acoustic energy to heat.

Quote:

How will this differ from a regular TL?

In a regular TL you are using the back wave for some low frequency reinforcement.

dave

21st November 2003, 05:34 PM	#1
Tobi F. diyAudio Member Join Date: Nov 2003 Location: .	Anybody made a Nautilus Hello guys, This is my first posting here. As you can see, I'm from Germany, so my english is quite bad. I am interested in a B&W Nautilus. I don't see any problems to build this thing. There will be any possible way. But what about the theory. Is this a reverse horn, or is this a reverse TML ? What about the Sizes, Volumes so on ? I would appreciate some information, if anybody has already made some theoretical think-abouts. Greetings Tobi F.

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23rd November 2003, 05:21 PM	#4
moe29 diyAudio Member Join Date: Dec 2002 Location: Florida	i thought Kristijan said he would update us with how the project was going... This is one POWER DIY project! They look simply amazing - i'm looking forward to hearing how they finally turned out.

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