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Multi-Way Conventional loudspeakers with crossovers

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Old 5th December 2003, 12:17 AM   #1
diyAudio Member
Join Date: Feb 2003
Location: New Zealand
Default Anyone ever...

...put two Peerless 850146 10" bad boys in a sealed enclosure?

Don't ask

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Old 5th December 2003, 12:53 AM   #2
Wizard of Kelts
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Join Date: Sep 2001
Location: Connecticut, The Nutmeg State
Hook them up in parallel, did you? Or did you run one off each channel?

What internal volume for your sub enclosure?
"A friend will help you move. A really good friend will help you move a body."
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Old 5th December 2003, 03:40 AM   #3
diyAudio Member
Join Date: Feb 2003
Location: New Zealand
No, Wiz, I haven't done it...yet.

I was wondering what the results would be like for someone who has. LspCad says a sealed cab of 65 litres with room gain will give an f3 of 32 hz and lots of efficiency (hence the reason for two).

I imagine it would the bass would be pretty tuneful--twang, twang

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Old 5th December 2003, 06:46 AM   #4
Jay is offline Jay  Indonesia
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Join Date: Feb 2003
Location: Jakarta
It seems many are fond of paralleling woofers for bass (and efficiency) performance. Yes, indeed you do not have to solve equations, just invest some money and you will get what you expect.

To me, even if I were not required to pay extra money for an extra woofer, I would not always want to parallel the woofer in a 2.5 way. Any woofer you add in the low region, will affect power sharing between drivers. The mids may suffer from power. In effect, string instrument will be "thin", and so on.

To me, the (negative) effect on the mids is more critical than the (positive) effect on the lows, not to mention a reduced performance-to-price ratio. Indeed, creating a good mids is not as easy as creating a good lows (bass).

A separate amplifier for the two woofers is another idea.

Separating the two woofers from the midrange+tweeter can be done using separate enclosure but can also be done with a single enclosure. The separate CHAMBER on top of the sealed woofers will give a very positive effect on the quality of the lows.

I like the idea of this treatment of WW+M+T using the Vifas as you specify in another thread.
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