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 Zero autoformers -- how to measure impedance?
Hi guys,I got a pair of speltz zero autoformers...recently but when I measure the total imped...
 The Zero autotransformer will not make  amplifier output...impedance and the speaker input
 Wouldn't a perfect amplifier also have infinite input impedance...and zero output
 Speltz Zeros are effective in some implementations...Multiplying impedance is of no help with M...
 between the inputs and the virtual ground can be zero...But there is also a true ground, and the imped...
 Any firsthand experience using the s-30 with the Zeros...As the recommended minimum impedance i...
 loudspeakers, then why not use Speltz Zero-autoformers...to double or quadruple the impedance o...
 You may find that the Zero Autoformer useful with low...impedence speakers....The "
 Bifwynne, if you installed a resistor to raise the impedance...amplifier already has a lower output im...
 Hi Ryan,Glad the Zeros are working out well...transformation ratio of the Zero....But since the...
 when that guy cracked it and explained why the input impedance...is almost ZEROzero
 important question Mapman because given the wacko impedance...plots of these ESLs, hooking them up to a high'ish
 Also, using a Speltz Zero autoformer can make a low...impedance speaker look like a higher
 information provided at zeroimpedance.com, if the Zero...is being used to increase the load impedance<...
 " input impedance, in fact none of them achieve that...fact, it would be impossible to achieve it, since
 Ralph, would it be fair to expect that if a Zero were...the reason would likely not be the sonics of the
 You don't want continuity, you want zero impedance,
 Don't the JM's have a 4 ohm impedance?...the Atma-spheres are OTL's and like to see a higher impedance...
 Surely, they keep doubling as the impedance drops...But the Speltz Zeros may address the
 The Maggies are easy to drive if you have a set of ZEROs...customers driving them with our M-60s, using the