3/4" dome tweeter comparison

slogan2112 · 28th June 2004, 02:58 AM

Given a x-over freq of 3.5-4khz, slope TBD, how would you rate the Hiquphon OWI,II, the Eton 19SD1, Accuton C12-6 and the SS8513. This of coarse assumes a well behaved midrange up to this freq.

In the same application would any of the 1-1.25" domes perform any better? Like the SS/9700, Seas millenium, MDT33, Supreme 110.

454Casull · 28th June 2004, 03:15 AM

About the only thing going for the smaller domes is better off-axis dispersion at higher frequencies.

slogan2112 · 28th June 2004, 03:51 AM

I have the Gemini's with the D260 and a friend had a 3-way with two 10" woofers, a D54Af and D21s. This was a long time ago but I remember liking the treble of the D21s better. They just seemed more detailed, maybe it was due to the 2" domes.

brummkreisel · 28th June 2004, 04:44 AM

slogan2112,

since you're going to xover sufficiently high, go for 3/4" domes, unless of course you want 120dB maxSPL from the entire loudspeaker.

IMO, the very good Seas NoFerro 12 is missing in your list. Distortionwise, it matches ScanSpeak's 19mm domes and quite possibily also the Hiquphons (so far, I haven't seen the Hiquphons being so much better to justify their rather hefty price tags). The NoFerro is a soft dome, obviously w/o FFL, and fs is 1,100 Hz, so plenty of headroom for your 3 kHz xover.

Prices in Europe are around 36 EUR (45 USD), hence much cheaper than the Scans. (One of the rare times Norwegian Wood beats Danish Dynamite.

)

Cheers,
BK

slogan2112 · 28th June 2004, 05:46 AM

Sorry, not familiar or not available in the US or is it?

mikee12345 · 28th June 2004, 10:36 AM

Quote:

Originally posted by 454Casull
About the only thing going for the smaller domes is better off-axis dispersion at higher frequencies.

From what ive read theres more negatives than positives with using domes

454Casull · 28th June 2004, 03:46 PM

Quote:

Originally posted by mikee12345

From what ive read theres more negatives than positives with using domes

As opposed to cones? Ribbons?

brummkreisel · 28th June 2004, 03:50 PM

Oops, no idea, but I have checked on Seas' nowergian web site - no can find, either. Hmmm.... there is a description on Intertechnik's site (a German distributor). If you don't mind reading the plot in German

http://www.intertechnik.de/

click on the Seas logo and then on "Seas Lautsprecherubersicht als Download" (quite on top of the page) to get the pdf (2.5MB). Find the NoFerro 12 on page 8/23. They give "H 1069" as part number, maybe your US distributor knows more.

Sorry I can't help more & Cheers,
BK

PS @ Mikee: hey, how's the weather downunder? What's the problem with domes? Compared to what - ribbons?

28th June 2004, 02:58 AM	#1
slogan2112 diyAudio Member Join Date: Dec 2003 Location: austin, tx	3/4" dome tweeter comparison Given a x-over freq of 3.5-4khz, slope TBD, how would you rate the Hiquphon OWI,II, the Eton 19SD1, Accuton C12-6 and the SS8513. This of coarse assumes a well behaved midrange up to this freq. In the same application would any of the 1-1.25" domes perform any better? Like the SS/9700, Seas millenium, MDT33, Supreme 110.

28th June 2004, 04:44 AM	#4
brummkreisel diyAudio Member Join Date: May 2004 Location: La Belle Province	slogan2112, since you're going to xover sufficiently high, go for 3/4" domes, unless of course you want 120dB maxSPL from the entire loudspeaker. IMO, the very good Seas NoFerro 12 is missing in your list. Distortionwise, it matches ScanSpeak's 19mm domes and quite possibily also the Hiquphons (so far, I haven't seen the Hiquphons being so much better to justify their rather hefty price tags). The NoFerro is a soft dome, obviously w/o FFL, and fs is 1,100 Hz, so plenty of headroom for your 3 kHz xover. Prices in Europe are around 36 EUR (45 USD), hence much cheaper than the Scans. (One of the rare times Norwegian Wood beats Danish Dynamite. ) Cheers, BK __________________ What do you mean, "c'est du pipeau"?

28th June 2004, 03:50 PM	#8
brummkreisel diyAudio Member Join Date: May 2004 Location: La Belle Province	Oops, no idea, but I have checked on Seas' nowergian web site - no can find, either. Hmmm.... there is a description on Intertechnik's site (a German distributor). If you don't mind reading the plot in German http://www.intertechnik.de/ click on the Seas logo and then on "Seas Lautsprecherubersicht als Download" (quite on top of the page) to get the pdf (2.5MB). Find the NoFerro 12 on page 8/23. They give "H 1069" as part number, maybe your US distributor knows more. Sorry I can't help more & Cheers, BK PS @ Mikee: hey, how's the weather downunder? What's the problem with domes? Compared to what - ribbons? __________________ What do you mean, "c'est du pipeau"?

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28th June 2004, 03:15 AM	#2
454Casull diyAudio Member Join Date: Jan 2004 Location: Toronto, ON, Canada	About the only thing going for the smaller domes is better off-axis dispersion at higher frequencies.

28th June 2004, 03:51 AM	#3
slogan2112 diyAudio Member Join Date: Dec 2003 Location: austin, tx	I have the Gemini's with the D260 and a friend had a 3-way with two 10" woofers, a D54Af and D21s. This was a long time ago but I remember liking the treble of the D21s better. They just seemed more detailed, maybe it was due to the 2" domes.

28th June 2004, 05:46 AM	#5
slogan2112 diyAudio Member Join Date: Dec 2003 Location: austin, tx	Sorry, not familiar or not available in the US or is it?

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