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Multi-Way Conventional loudspeakers with crossovers

Is it possible to cover the whole spectrum, high spl, low distortion with a 2-way?
Is it possible to cover the whole spectrum, high spl, low distortion with a 2-way?
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Old 17th June 2019, 01:21 PM   #1021
Ro808 is online now Ro808  Netherlands
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Charles,

I agree, this almost has to be a Beyma (cone).
12 cone ribs, triple roll surround, same dustcap including glue edge, same distance from dustcap to first rib.

Click the image to open in full size.


FWIW:

Linear elongation of the membrane X max: ± 9.00 mm

Value of the database, X max PP: 18.00 mm (2 * X max).

Last edited by Ro808; 17th June 2019 at 01:38 PM.
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Old 17th June 2019, 01:34 PM   #1022
phase_accurate is online now phase_accurate
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I know that there is a value of +-9mm in the data-sheet. But the voice-coil overhang is just 10mm in total. Beyma applies a generous percentage of the plate-thickness to that for the calculation of x-max. That might be good for a pure PA sub usage but used as a midwoofer in home listening I definitley regard them as +-5 mm x-max capable drivers.

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Charles
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Old 17th June 2019, 01:43 PM   #1023
Bas Horneman is offline Bas Horneman  Netherlands
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but it's good especially at the current sale price
Where can you buy they them for that price in Europe? A quick google and I found only the AK version.
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Old 17th June 2019, 01:52 PM   #1024
Ro808 is online now Ro808  Netherlands
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Quote:
Originally Posted by phase_accurate View Post
I know that there is a value of +-9mm in the data-sheet. But the voice-coil overhang is just 10mm in total. Beyma applies a generous percentage of the plate-thickness to that for the calculation of x-max. That might be good for a pure PA sub usage but used as a midwoofer in home listening I definitley regard them as +-5 mm x-max capable drivers.

Regards

Charles
True!
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Old 17th June 2019, 02:01 PM   #1025
Ro808 is online now Ro808  Netherlands
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Quote:
Originally Posted by Bas Horneman View Post
Where can you buy they them for that price in Europe? A quick google and I found only the AK version.
Here. You need an account and you receive a discount if you order more pieces.
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Last edited by Ro808; 17th June 2019 at 02:10 PM.
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Old 17th June 2019, 02:22 PM   #1026
Ro808 is online now Ro808  Netherlands
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But don't try this
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Old 17th June 2019, 02:41 PM   #1027
Bas Horneman is offline Bas Horneman  Netherlands
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Quote:
But don't try this
Thanks...saw your earlier post. Got the STH-100
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Here. You need an account and you receive a discount if you order more pieces.
Thanks very much. I have an account there already...so cool.
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Old 17th June 2019, 03:43 PM   #1028
Bas Horneman is offline Bas Horneman  Netherlands
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Bummer. Ordered and paid. Got refunded. Prices are up. Looks like it was a mistake on their website.
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Old 17th June 2019, 04:08 PM   #1029
daemonsgr is offline daemonsgr  United Kingdom
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Originally Posted by Ro808 View Post
The 15P80Nd is a very nice driver, but also quite expensive.
In my country (and for HiFi applications), I would buy a pair of 15FH500s instead of one 15P80Nd and still have some money left over.

I guess the Beyma would crush the old 2226H though.
Your are correct about the price (probably diminishing return) but I dont have the wife acceptance for two 16ohm woofers (for 8 parallel your were probably referring to).
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Old 17th June 2019, 04:15 PM   #1030
Ro808 is online now Ro808  Netherlands
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I was referring to a pair for two 2-ways
2 x 8 ohm in parallel would be perfect for a MEH (> future project).

Last edited by Ro808; 17th June 2019 at 04:23 PM.
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