Re: Karlson tube not Karlson box

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In Reply to: Re: Karslon tube posted by Wayne_Parham on January 29, 2001 at 13:43:05:

Sorry Wayne
I was speaking about K tube not K karlson box.
If i look at the Data frequency respons of the K tube , I observe that K tube mounted on a TAD 1" compression driver seems to be rather a high pass than a low pass.
In the beck page, the efficiency seem to be around 100dB (perhaps more, but difficult to read), so the K tube seems to act as an air transformer rather than a "wave guide".

I am not a specialist in wave theory, only high school rememberings. But, the fact that a tube with a progressive opening as important as the opening of a K-tube acts as an air transformer is not surprising for me. Of course, that's not a Salmon Horn, that's other things than a horn but it seems to act as an air transformer in a different way than a horn does.
The design of a K-tube seems rather simple to DYI people, as I pointed simpler that many expensive DYI tractrix horn designs I saw on the WEB. And the design seems to be forgotten. That's the reason of my post.

A contrario, I am not a fan of Karlson box, I am sceptic about this rather complex design for Woofer. But I didn't remember to listen to such enclosures when I was younger. This design seems not to have any success on French audiophiles (20-30 years ago). But There are some old designs of french quater-wave box with progressive triangular or elliptical openings made for Supravox FR.

Eric

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Follow Ups Full Thread

Topic - Karslon tube - eric degny 04:14:53 01/29/01 (7)

Re: Karslon tube - freddyi 07:05:36 01/29/01 (6)

Re: Karslon tube PS - I'm getting ~98dB using 1.25uF@16ohm - thats 8Khz 1st order - freddyi 14:37:54 01/29/01 (0)

Re: Karslon tube - Wayne_Parham 13:43:05 01/29/01 (4)

Re: Karlson tube not Karlson box - eric degny 01/30/0112:49:47 01/30/01 (3)

Re: Karlson tube not Karlson box - Wayne_Parham 19:00:02 01/30/01 (2)

Re: Karlson tube not Karlson box - eric degny 06:56:22 01/31/01 (1)

Re: Karlson tube not Karlson box - Wayne_Parham 13:23:53 01/31/01 (0)

Follow Ups

Re: Karlson tube not Karlson box - eric degny 01/30/0112:49:47 01/30/01 (3)

Re: Karlson tube not Karlson box - Wayne_Parham 19:00:02 01/30/01 (2)

Re: Karlson tube not Karlson box - eric degny 06:56:22 01/31/01 (1)

Re: Karlson tube not Karlson box - Wayne_Parham 13:23:53 01/31/01 (0)

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