I know SONY PCM D50 is old and it's not even a proper DAC. But I just love its sound. Currently, it's connected to my Mac via Optical SPIDIF and I use it to connect to my active studio monitor and Beyer T-70 Now I need a new DAC+Headphone Amp for my work and was wondering if you can recommend...

I absolutely love my Beyer T70 but recently it developed a static noise on both sides. And instead of sending in to fix this issue, I just want to get a hard-wired cable mod instead. But since I have no clue about cable modding, hopefully, you can help me with questions below. 1) Is T70 a...