830883, 830884 or ER18 ?

Bad_mojo · 13th March 2008, 03:34 PM

830883, 830884 or ER18 ?
If you were to build a high value system today with a Seas tweeter, which driver would you chose and why?

Mo

sreten · 13th March 2008, 04:52 PM

Hi,

The 8" 830884 needs a much larger enclosure than the other two.
Of the 6.5"s the Seas has better documentation and consistency.
None of them are a bad choice. Depends what you want ....

/sreten.

Bad_mojo · 13th March 2008, 05:34 PM

So true about the enclosure size but I'm not concerned with that at all. Just looking for "best sound" for a 2-way use.... ad to that consistency and ease to develop an x-over... any opinions?

Rounder · 13th March 2008, 06:22 PM

I personally like the 883 because the crossover is easier to design than with the breakup of the 884. Yes the seas finish quality is a bit higher but u wont have anything bad enough to affect performance. The motor on the 883 is also brilliant as no zobel is needed. Distortion averages about the same between the seas and peerless tho. So either way id stick with the smaller drivers. Seas if you need its looks, build quality and sensitivity only. But otherwise the peerless is the way to go.

sreten · 13th March 2008, 06:30 PM

Quote:

Originally posted by Bad_mojo

Just looking for "best sound" for a 2-way use.... add to that
consistency and ease to develop an x-over... any opinions?

http://www.zaphaudio.com/SR71.html

/sreten.

Bad_mojo · 13th March 2008, 09:07 PM

Rounder, Sreten,
thank you both for the replies. I've read good things about Zaph's designs and his site is where I found all these drivers....

Is the 830884 8" worth the hassle for the extra base it can produce? Should the mids be as clear at the 7" drivers?

Is the 830883 not better then the ER18 from 500hz and up? Maybe a better match for the super clean Seas tweeters?

Found some designs that use the Ushers, Are the Ushers worth the extra money and how do they fit in all this?

Mo

sreten · 14th March 2008, 03:01 PM

Hi,

Only you can answer most of those questions.

VFM wise and self build the 8" is the most cost effective compared
to the cost of an equivalent commercial offering, which would be
~ twice the size and price of the 6.5" models.

However "ease of c/o development" is an issue.
If you cannot do it properly use an existing design.

Arguing the pro's and con's of very good drivers is fairly pointless.
They define the quality you can get at certain price points.

Zaph's value ratings I'd say are worth noting.

/sreten.

Bad_mojo · 14th March 2008, 08:21 PM

Ok, I like the added base of the 830884 and the high sensitivity.

If I were to go along with that 8", when would "beaming" come into play? I've read about that but I still don't understand it.

Mo

Bad_mojo · 15th March 2008, 06:06 AM

Interesting read regarding smallish woofers : http://www.linkwitzlab.com/frontiers.htm#J

sreten · 16th March 2008, 03:14 PM

Quote:

Originally posted by Bad_mojo

Ok, I like the added bass of the 830884 and the high sensitivity.

If I were to go along with that 8", when would "beaming" come
into play? I've read about that but I still don't understand it.

Mo

Hi,

Short answer is no. Especially with a sub 2kHz c/o point.

/sreten.

13th March 2008, 03:34 PM	#1
Bad_mojo diyAudio Member Join Date: Mar 2008	830883, 830884 or ER18 ? 830883, 830884 or ER18 ? If you were to build a high value system today with a Seas tweeter, which driver would you chose and why? Mo

13th March 2008, 06:22 PM	#4
Rounder diyAudio Member Join Date: Jan 2006 Location: ONTARIO CANADA	I personally like the 883 because the crossover is easier to design than with the breakup of the 884. Yes the seas finish quality is a bit higher but u wont have anything bad enough to affect performance. The motor on the 883 is also brilliant as no zobel is needed. Distortion averages about the same between the seas and peerless tho. So either way id stick with the smaller drivers. Seas if you need its looks, build quality and sensitivity only. But otherwise the peerless is the way to go. __________________ The bitterness of poor quality is remembered long after the sweetness of low prices is forgotten.

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13th March 2008, 04:52 PM	#2
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, The 8" 830884 needs a much larger enclosure than the other two. Of the 6.5"s the Seas has better documentation and consistency. None of them are a bad choice. Depends what you want .... /sreten.

13th March 2008, 05:34 PM	#3
Bad_mojo diyAudio Member Join Date: Mar 2008	So true about the enclosure size but I'm not concerned with that at all. Just looking for "best sound" for a 2-way use.... ad to that consistency and ease to develop an x-over... any opinions?

13th March 2008, 09:07 PM	#6
Bad_mojo diyAudio Member Join Date: Mar 2008	Rounder, Sreten, thank you both for the replies. I've read good things about Zaph's designs and his site is where I found all these drivers.... Is the 830884 8" worth the hassle for the extra base it can produce? Should the mids be as clear at the 7" drivers? Is the 830883 not better then the ER18 from 500hz and up? Maybe a better match for the super clean Seas tweeters? Found some designs that use the Ushers, Are the Ushers worth the extra money and how do they fit in all this? Mo

14th March 2008, 03:01 PM	#7
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Hi, Only you can answer most of those questions. VFM wise and self build the 8" is the most cost effective compared to the cost of an equivalent commercial offering, which would be ~ twice the size and price of the 6.5" models. However "ease of c/o development" is an issue. If you cannot do it properly use an existing design. Arguing the pro's and con's of very good drivers is fairly pointless. They define the quality you can get at certain price points. Zaph's value ratings I'd say are worth noting. /sreten.

14th March 2008, 08:21 PM	#8
Bad_mojo diyAudio Member Join Date: Mar 2008	Ok, I like the added base of the 830884 and the high sensitivity. If I were to go along with that 8", when would "beaming" come into play? I've read about that but I still don't understand it. Mo

15th March 2008, 06:06 AM	#9
Bad_mojo diyAudio Member Join Date: Mar 2008	Interesting read regarding smallish woofers : http://www.linkwitzlab.com/frontiers.htm#J

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