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94 Search Results Found |
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Forum: Pi Speakers «»
Posted on: Thu, 06 October 2005 22:10 «»
By: Wayne Parham
Re: ** Pi chart request **
Impedance at low frequencies will drop at some points, but will rise again at the resonance modes. At these frequencies, shunt impedance will reduce Zmax and it will tend to remain more constant. It's a consequence that acts in your favor.
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Forum: Pi Speakers «»
Posted on: Thu, 08 September 2005 03:10 «»
By: roland
My stab at this...
Hi there,I think the ETF presentation by Lynn may shed some light on this.http://www.nutshellhifi.com/library/ETF.htmlLooking at the output loop of a conventional SE amplifier and combining this with hi vs low Zmax you could assume that the 'longer' path ...
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Forum: Pi Speakers «»
Posted on: Wed, 07 September 2005 16:54 «»
By: Wayne Parham
Re: best for SET's
It depends on the choice of amp. Some of the low-cost entry level kits definitely work best with speakers having low Zmax.
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Forum: Pi Speakers «»
Posted on: Wed, 07 September 2005 11:37 «»
By: Crazy Dave
Re: best for SET's
Hi Wayne,In the past you have recommended low Zmax woofers for single ended tube amps. In this case do you feel that the benifits high magnet strengh of the Magnum outweigh the problems with high Zmax?TIA Dave
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Forum: Pi Speakers «»
Posted on: Fri, 12 August 2005 10:31 «»
By: hitsware
Re: Pi Alignment ?
Thanks!Obtaining the T/S parameters is what I'm working on.I have a 'woofer tester' that does a good job (agrees with the classic 1K Ohm method)BUTFor some reason it goes bonkers on certain drivers (Fs 4Hz AND -Qts!)So I'm trying to streamline my manual m...
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Forum: Pi Speakers «»
Posted on: Wed, 09 February 2005 17:25 «»
By: ToFo
Re: Pi Theatre 4?
It's a Direct drop in!even models nearly identical. note the higher zmax if you have a tiny tube amp (not real high, but some amps are picky here). Phase plug seems to tame the peak too. I want to try this driver.Thomas
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Forum: Pi Speakers «»
Posted on: Fri, 03 December 2004 20:19 «»
By: steve f
Re: 4pi theatre or 4pi stage
Hi,Consider the Professional 4Pi Series. The JBL 2226h is very tube friendly. I believe the driver has a Zmax of about 52-58 ohms.Steve
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Forum: Pi Speakers «»
Posted on: Mon, 22 November 2004 20:40 «»
By: BNAL
Re: Sex amp and the Pi speakers
Garland,I'm in the military and getting ready to transfer from Miami to Norfolk. I moved the family a couple of months ago so the kids could start at the beginning of the school year. Since I made the decision to buy Doc's S.E.X. amp and do a speaker proj...
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Forum: Pi Speakers «»
Posted on: Wed, 18 August 2004 16:14 «»
By: Bill Martinelli
Re: 4 Pi Theater vs Stage vs Premium vs Thermionic
Having heard and listened to all the models in question with both solid state amps and tube amps. I maintain the following opinion.You get what you pay for.I'm not going to say that the Thermionic or Theatre series is bad in any respect. I'm simply saying...
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Forum: Pi Speakers «»
Posted on: Mon, 02 August 2004 06:19 «»
By: roland
The eternal quesiton: Tube friendly or not
Hi,Having read all I can find on tube friendly, damping factor etc, I have the following questions:If a tube amp has sufficiently low out put impedance (and the resulting high damping factor), I could still be all right with just a couple of watts? It see...
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