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New driver for USB bass..
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lucasuk86 View Drop Down
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    Posted: 22 May 2022 at 2:11pm
Sorry if this has been brought up before but just been doing some digging on some 18" drivers for the USB. Celestion have a driver that has quite impressive parameters that are the best I've seen that will work within the original USB design specs guidelines... what are your thoughts? Has anyone tested this driver in a USB? Looking at the guidance I'm assuming this driver will create more sub.

Small Signal Parameters

Fs - 25.20Hz
Qts - 0.286
BI - 22.81
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lucasuk86 View Drop Down
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Ignore lol

Muppet. Just realised this is the original driver.
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Father-Francis View Drop Down
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Points: 2700 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Father-Francis Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2022 at 4:26am
Originally posted by lucasuk86 lucasuk86 wrote:

Ignore lol

Muppet. Just realised this is the original driver.

It’s good you up dated that yourself, I thought I put too much rum in my drink 😂 
Music is the strongest form of magic.(+45 31879997)blakmanpro@gmail.com, foa@sweetboxaudio.dk
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levyte357- View Drop Down
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Do you already have USBs?

Are you looking to obtain more SPL below 60hz?
Global Depopulation - Alive and Killing.
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lucasuk86 View Drop Down
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Originally posted by Father-Francis Father-Francis wrote:

Originally posted by lucasuk86 lucasuk86 wrote:

Ignore lol

Muppet. Just realised this is the original driver.

It’s good you up dated that yourself, I thought I put too much rum in my drink 😂 

I know.. I started drinking at lunch yesterday.. had too many LOL
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lucasuk86 View Drop Down
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Originally posted by levyte357- levyte357- wrote:

Do you already have USBs?

Are you looking to obtain more SPL below 60hz?

No don't have any. I did but sold them years ago. I want to build some more. I know they don't play low unless you have a stack.
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levyte357- View Drop Down
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Points: 7448 		Post Options Post Options   Thanks (0) Thanks(0)   Quote levyte357- Quote  Post ReplyReply Direct Link To This Post Posted: 23 May 2022 at 6:03pm
Originally posted by lucasuk86 lucasuk86 wrote:

Originally posted by levyte357- levyte357- wrote:

Do you already have USBs?

Are you looking to obtain more SPL below 60hz?

No don't have any. I did but sold them years ago. I want to build some more. I know they don't play low unless you have a stack.


"Low" is subjective term, I think.

If you like BPH, but want approx 50hz in pairs, I would strongly suggest "well braced" ES18 BPH "636 Electrical version", as an alternative:


Loaded with "serious driver", e.g. Min BL=25, 10mm+ Xmax...







Edited by levyte357- - 23 May 2022 at 6:51pm
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