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8 inch woofer for WAW
8 inch woofer for WAW
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Old 14th June 2018, 03:29 PM   #1
Cerniu is offline Cerniu  Lithuania
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Default 8 inch woofer for WAW

I am planning to build a WAW speaker, and I find myself having a hard time deciding on a woofer that could be sourced for a reasonable
price in Europe.

Having read the forums I have found that Dayton drivers are considered as the best bang for buck in 7-8 inch range. But they are a little more
expensive and considering, that I would have to get them shipped from another country the price is bigger (prices with shipping included):
  • Dayton Audio RS225-8 - 200 euro/pair
  • Dayton Audio RS180-8 - 150 euro/pair

Localy I can find mainly Visatons and Beymas, for example:
  • Visaton W200S - 100 euro/pair
  • Beyma 10BR60V2 - 150 euro/pair


I'd like to have f3 of 50Hz and would prefer to go sealed. Also I think I will go active and biamp.

The RS225 could achieve both of that as shown by xrk971 in his FAST monitor, and I believe both W200S and Beyma could (with linkwitz transform).
How do these drivers compare in quality according to their price?

To get that extension from RS180 I would have to go ported (like the speaker Amiga). Is there much I would be loosing compared to other drivers both in sealed or ported configuration?

Also, if anyone has gone a similar path, maybe I have missed some other alternatives?

Last edited by Cerniu; 14th June 2018 at 03:57 PM.
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Old 14th June 2018, 08:03 PM   #2
ScottG is offline ScottG  United States
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Not sure what the "A" in a WAW is, but I'm guessing it's a fullrange or mid-tweet.

Because you are going active for your loudspeaker, other than linar excursion vs surface area, you really only need be concerned with power efficiency vs. your amplifier AND how well the driver does as far up in freq. as you want to crossover to your "A".

As long as you crossover below 200 Hz, I'd think the 10" beyma a very good canidate (..with higher surface area, average linear excursion, and higher Qts.)
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Old 14th June 2018, 08:18 PM   #3
planet10 is online now planet10  Canada
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8 inch woofer for WAW
WAW = Woofer Assisted Widerange.

One thing you want to look for in a helper woofer is extended HF response.

What midTweeter are you planning on, and what is your 1st guess at XO frequency?

dave
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Old 14th June 2018, 08:44 PM   #4
ScottG is offline ScottG  United States
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..ah, another "fantastic" acronym.

-add to the list of questions:

What will be the width of the baffle?
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Old 14th June 2018, 09:15 PM   #5
planet10 is online now planet10  Canada
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8 inch woofer for WAW
Quote:
..ah, another "fantastic" acronym.
Specifically coined to replace the almost universally disliked FAST acronym.

dave
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Old 14th June 2018, 09:22 PM   #6
scottjoplin is offline scottjoplin  Wales
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It seems to be working .........except it's wideband not widerange because wideband is a word whereas widerange like fullrange is not a word
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Old 14th June 2018, 09:28 PM   #7
planet10 is online now planet10  Canada
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Originally Posted by scottjoplin View Post
...except it's wideband not widerange
Not the 1st time i have made that slip-up.

dave
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Old 14th June 2018, 09:36 PM   #8
chrisb is offline chrisb
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well, the fun thing about the English language is that new words / meanings are created all the time , so really, it's just a matter of adding them to each application's dictionary / spell check funkshun

at least we're not seeing auto-correct when posting here from a desktop - but my my iPad/phone can be a royal pain in diaz
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Old 14th June 2018, 09:37 PM   #9
Cerniu is offline Cerniu  Lithuania
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For the wideband I am thinking about Visaton B80, as it seems a decent driver and is available localy. Guess at XO frequency would be ~300hz.
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Old 14th June 2018, 09:44 PM   #10
scottjoplin is offline scottjoplin  Wales
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Quote:
Originally Posted by chrisb View Post
well, the fun thing about the English language is that new words / meanings are created all the time
True.... Imagine trying to get those words into the French dictionary
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