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2nd February 2008, 04:40 AM
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#1 |
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diyAudio Member
Join Date: Jun 2004
Location: Indiana
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piezo amp discussion on loudspeaker forum
Over in the loudspeakers forum a discussion is just beginning on a dedicated amp for Piezo tweeters. Given the rather different natural impedance (i.e. without external components like resistors) one wonders what could be done with tubes. OTL with great big resistor across the speaker? Makes me go hmmm....
mike |
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2nd February 2008, 08:28 AM
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#2 | |
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diyAudio Moderator
Join Date: Jan 2003
Location: Near London. UK
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Re: piezo amp discussion on loudspeaker forum
Quote:
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The loudspeaker: The only commercial Hi-Fi item where a disproportionate part of the budget isn't spent on the box. And the one where it would make a difference... |
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2nd February 2008, 01:09 PM
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#3 |
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diyAudio Member
Join Date: Apr 2004
Location: Plainsboro, NJ
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Guys,
94 dB. seems to be a common sensitivity for piezo tweeters. 2 W. should be distressingly loud, at the freq. range tweeters operate in. How about an ECC99 wired as a LTP. Just place the piezo tweeter between the 2 anodes. The tweeter is self coupling and no caps. are needed.
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Eli D. |
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