I use an Audio Research REF75 SE with a speaker tao to headphone adapter with my Abyss 12266 TC with no issues. I asked AR technical support before I bought the amp and they said there would be no problem with the amp. They were more concerned with my ears.
If you are using the headphone Jack then most integrated amps would not send a signal to the amp portion and there is no problem. Should be easy enough to check. If using the speaker taps then you are finer as others have indicated
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