Etymotic ER-4 Maintenance Cycle
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kent1146

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Does anybody have any guidelines on the recommended replacement cycles for Etymotic ER-4 black foam tips and the green earwax filters?
 
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toaster

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nope, sorry. here's a bump for you though.
 
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gradofan

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I don't think there are any "rules," per se. You should just look at your filter occasionally. If you can't see green (i.e., you see orange) then it's time to change. Also, if the sound is veiled, then it's time to change. Keep in mind that, before you decide the sound is off-kilter, you should make sure the Etys are positioned correctly. (Argh!)
 
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daycart1

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Quote:

Originally Posted by gradofan
I don't think there are any "rules," per se. You should just look at your filter occasionally. If you can't see green (i.e., you see orange) then it's time to change. Also, if the sound is veiled, then it's time to change. Keep in mind that, before you decide the sound is off-kilter, you should make sure the Etys are positioned correctly. (Argh!)


Right. Filters when the sound deteriorates; foamies when they don't seal properly (or too sloooowly if you are impatient).
 
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