Shorting ring for B200 wooden phase plugs - diyAudio
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Old 7th August 2009, 10:49 AM   #1
SAC is offline SAC  United Kingdom
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Default Shorting ring for B200 wooden phase plugs

I read about how adding a strip of continuous foil around the base of a phase plug would improve detail in the sound;

"the electromagnet (voicecoil) induces eddy currents in the foil , kind of an electro-magnetic braking system. Supposed to reduce inductance/flatten impedence when positioned above the pole piece".

A number of commercial drivers come ready with this feature so I wonder if anyone here has tried this with the visaton B200?
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Old 7th August 2009, 06:34 PM   #2
badman is offline badman  United States
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It has potential, but also negative potential. Essentially, the best place for a shorting ring is BELOW the the gap, around the base of a T-Shaped pole (better still, above and below a cross-shaped pole). Through the gap has its own, different benefits, as does a wholesale sleeve.
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