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EF86 microphony
EF86 microphony
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Old 6th May 2013, 09:45 PM   #1
Frederic Garfield is offline Frederic Garfield  United Kingdom
diyAudio Member
Join Date: Mar 2013
Wink EF86 microphony

Hi there.I have read with interest the subject of the EF86 being inherently microphonic,well some are.But you must tailor the gain to try and prevent this.Pay attention to the plate (anode) load resistor and cathode resistor values.Also suspending the valve base with small rubber grommets does help a lot.
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