- 90 Posts. Joined 9/2010
- Location: Md
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I think sensitive multi BA IEMs will have issues with an output impedance of greater than 1.
I'm not sure how great of an affect it will have as I've always only used sources with < 1 output impedance, but I would probably find another source for those IEMs - your ipod classic unamped will do fine (I'm assuming it has an output impedance of < 1, but I'm not actually sure).
Ok I think was incorrect with the output impedance of the Compass. I believe it is 1.5. I think I should be fine as my Denon D7000's have a very low impedance of 25, the UM3X is 56, and TF10 is 32. So it may not be completely optimal at 1.5 I think I should be fine(hoping). My main concern was blowing a driver or worse on my new IEM's.
Any suggestions of a cheap amp/dac that has a output impedance of 1 or less? Must have optical though. Obviously I would rather just use the Compass, but if I have to I can look into something else.