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Old 1st September 2008, 03:01 AM   #1
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Default Recommendations for portable headphone amp?

I've been looking at headphone amplifier designs, and the sheer number of them are simply staggering. After shuffling through quite a few, I've come to a few conclusions:

1. Crossfeed would be very nice. Ideally, adjustable crossfeed.
2. Using a TLE2024 or third channel to produce a proper ground is much better than using the point between two 9v batteries or two resistors.
3. 18V is approximately the right voltage. (Hopefully I can get 5 lithium-ion cells.)
4. Power consumption should be well below 100mA to keep battery life from sucking.

Any recommendations?
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