Piezo film used in 300 degree radiated tweeters

humanhuman · 17th November 2007, 08:08 PM

Anyone know where this stuff can be obtained from?

http://www.roundsound.com/reference-3-speakers.htm

Has anyone tried to DIY a speaker like this? Even the tweeter by itself? It looks promising...can't say I have ever listened to a design like this though...

poynton · 17th November 2007, 08:58 PM

Hi.

See :- Measurement Specialties Incorporated (www.msiusa.com).

http://www.windworld.com/products/catalog.htm - bottom of page

BudP · 18th November 2007, 02:28 AM

Pioneer made some half a can super tweeters and also some full can tweeters and super tweeters out of the piezo film material. They were found in the HP 40 through HP 100 series speakers and are on ebay fairly often. If you put the EnABL pattern on the short side of the film diaphragm, after coaxing the unnecessary protective screen off, they really are superb, for super tweeters.

There were also headphones made from this material, by Pioneer, back in the 80's. They were not sold in the US, but I did hear a pair, for an extended period of time and they were the equal of electrostatics of the time.

Bud

17th November 2007, 08:08 PM	#1
humanhuman diyAudio Member Join Date: Jul 2006	Piezo film used in 300 degree radiated tweeters Anyone know where this stuff can be obtained from? http://www.roundsound.com/reference-3-speakers.htm Has anyone tried to DIY a speaker like this? Even the tweeter by itself? It looks promising...can't say I have ever listened to a design like this though...

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17th November 2007, 08:58 PM	#2
poynton Magneto the Gravity Man diyAudio Member Join Date: Mar 2005 Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)	Hi. See :- Measurement Specialties Incorporated (www.msiusa.com). http://www.windworld.com/products/catalog.htm - bottom of page

18th November 2007, 02:28 AM	#3
BudP diyAudio Member Join Date: Feb 2007 Location: upper left crust, united snakes	Pioneer made some half a can super tweeters and also some full can tweeters and super tweeters out of the piezo film material. They were found in the HP 40 through HP 100 series speakers and are on ebay fairly often. If you put the EnABL pattern on the short side of the film diaphragm, after coaxing the unnecessary protective screen off, they really are superb, for super tweeters. There were also headphones made from this material, by Pioneer, back in the 80's. They were not sold in the US, but I did hear a pair, for an extended period of time and they were the equal of electrostatics of the time. Bud

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