Has any one use the AUDAX TW025A18 1" TITANIUM DOME TWEETERS ?

jewilson · 4th July 2004, 09:59 PM

Has any one on the Forum used or have experience with the AUDAX TW025A18 1" TITANIUM DOME TWEETERS. They look to be nice driver, however I don't have any experience with them.

Thanks

capslock · 5th July 2004, 12:23 PM

I have played with some A18 and A20 tweeters, but have not come around to using them. Very nicely engineered, but they need some foam plugged into the pole vent to get rid of cavity oscillations.

The thing I was going to work on is to bring down the fundamental resonance to below 1000 Hz. Do a search.

Matt Daigler might still have some units to sell, and I believe e44.com has some in stock.

jewilson · 5th July 2004, 02:43 PM

I am in the process of building new speakers, just picking out the parts now. I was going to use some DynAudio Esotars, which I own.

Since I’ve not really decided on the tweeter or mid’s, and found a real deal on these AUDAX TW025A18 I though check into them. Not having seen them used in any production speakers made me wonder what kind of performance they really have. I like the transient response of the metal domes, however they can get resonances can be nasty. So I was looking for a recommendation regarding their performance.

Matt D · 5th July 2004, 09:34 PM

They were pretty new when Audax decided to get out of consumer audio, so we hadn't been selling them to OEMs too long. Revel and Snell were using them in some of their high end models. JBL also used them in some high end products for Europe.

I personally heard a few different systems using these, all of which sounded excellent. These tweeters measured about half the distortion of a standard ferrite motor 1". And with their high sensitivity, they never sounded strained like other tweeters can.

The TW025A18 uses a neodymium ring magnet and machined carbon free steel in the motor which made it an expensive tweeter to build.

I do have some of these left that I'm selling. I also have some textile dome versions.

4th July 2004, 09:59 PM	#1
jewilson diyAudio Member Join Date: May 2002 Location: Plano , TX	Has any one use the AUDAX TW025A18 1" TITANIUM DOME TWEETERS ? Has any one on the Forum used or have experience with the AUDAX TW025A18 1" TITANIUM DOME TWEETERS. They look to be nice driver, however I don't have any experience with them. Thanks __________________ Jim W.

5th July 2004, 02:43 PM	#3
jewilson diyAudio Member Join Date: May 2002 Location: Plano , TX	AUDAX TW025A18 1" TITANIUM DOME TWEETERS I am in the process of building new speakers, just picking out the parts now. I was going to use some DynAudio Esotars, which I own. Since I’ve not really decided on the tweeter or mid’s, and found a real deal on these AUDAX TW025A18 I though check into them. Not having seen them used in any production speakers made me wonder what kind of performance they really have. I like the transient response of the metal domes, however they can get resonances can be nasty. So I was looking for a recommendation regarding their performance. __________________ Jim W.

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5th July 2004, 12:23 PM	#2
capslock diyAudio Member Join Date: Feb 2002 Location: Germany	I have played with some A18 and A20 tweeters, but have not come around to using them. Very nicely engineered, but they need some foam plugged into the pole vent to get rid of cavity oscillations. The thing I was going to work on is to bring down the fundamental resonance to below 1000 Hz. Do a search. Matt Daigler might still have some units to sell, and I believe e44.com has some in stock.

5th July 2004, 09:34 PM	#4
Matt D diyAudio Member Join Date: Oct 2003 Location: So. Cal.	They were pretty new when Audax decided to get out of consumer audio, so we hadn't been selling them to OEMs too long. Revel and Snell were using them in some of their high end models. JBL also used them in some high end products for Europe. I personally heard a few different systems using these, all of which sounded excellent. These tweeters measured about half the distortion of a standard ferrite motor 1". And with their high sensitivity, they never sounded strained like other tweeters can. The TW025A18 uses a neodymium ring magnet and machined carbon free steel in the motor which made it an expensive tweeter to build. I do have some of these left that I'm selling. I also have some textile dome versions.

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