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blorg t1_j27yvfe wrote

DT 770 250Ω are quite hard to drive, substantially harder than something like the Sennheiser HD600, and I would think you probably should be using something more powerful than the single ended out of a KA3, yes.

You could mod them to balanced, or get a more powerful desktop amp. The Douk U3 at $30 might be a good option, it does 1.3W and you can use the KA3 as a DAC into it.

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