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AudioRigger's picture
Last seen: Never ago
Joined: Nov 20 2009 - 3:08pm
Anti Cable Zero-Autoformers

I'm having good results with tube gear. I'm wanting to try a tubed amp and have Maggie speakers.

One suggested option is the Zero-Autoformers, which claim to multiply the impedance of a speaker, thus making them easier to drive. Anyone have experience with these?

mrlowry's picture
Last seen: 6 months 3 weeks ago
Joined: May 30 2006 - 1:37pm
Re: Anti Cable Zero-Autoformers

Because Magnepans have a nearly ruler flat impedance across the audio spectrum they are much kinder to tube amps than their efficiency rating would otherwise indicate. What amp are you currently using?

zeb's picture
Last seen: Never ago
Joined: Jan 2 2009 - 6:01am
Re: Anti Cable Zero-Autoformers

I've used my MG 3.5s happily with Jadis Defy-7 (100 W) and Antique Sound Labs Hurricanes (200W). Although Maggies are not very efficient, they present a fairly constant and easy load to the amp.

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