Hello,   I am waiting on a pair of shure 940's. I'll be needing an amp for them and I was thinking of getting the Audio-GD NFB-6 because my DAC is an NFB-2.32.   However, there is a used Mjolnir just a few miles from me at a very reasonable price - about the same price I'd pay for a new...

Hi folks,   I'm waiting for the 940's to arrive. In the mean time, I need to set up a headphone amp, and was thinking of the Audio-GD NFB-6. The reason being that my DAC is an Audio-GD with ACSS output and the NFB-6 has ACSS input - seems like a logical thing to.   Am I shooting too low or...