sknight Posted November 14, 2004 Report Share Posted November 14, 2004 Now I'm looking into Shure e3's and I was wondering how much resistance is the most I should go with a minidisc portable rated at 5mw. The E3's are 26 ohms vs. 16 for the e2's and Etymotic Er6i's. Would the extra ten ohms cause a significant reduction in volume output? Quote Link to comment Share on other sites More sharing options...
aeriyn Posted November 14, 2004 Report Share Posted November 14, 2004 impedance doesn't always mean lower volume. for instance. my beyerdynamic DT440 home cans are rated at 32 ohms impedance, yet only require one additional unit of volume (22/30 instead of 21/30) on an MD unit with 5mW output, than the EX71s I once owned did. and EX71s are 16 ohm impedance. efficiency varies between 'phones. ety ER-4Ps are rather efficient, and Shure buds are known for their efficiency. Shure E3cs are likely more efficient than the ety ER-6, and aren't quite as lightweight and lacking in bass either. AFAIK, E3cs are more efficient than E2cs despite the higher impedance. Quote Link to comment Share on other sites More sharing options...
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