I've owned several pairs of goertz mi-1 and 2 and now use huffman. The comments about oscillation with goertz are correct. I had real problems with one amp.
That said, the huffman zx are superior across the board, in my experience. More transparent and dynamic, and with a smoother, better defined top end. YMMV, of course.
That said, the huffman zx are superior across the board, in my experience. More transparent and dynamic, and with a smoother, better defined top end. YMMV, of course.