Not sure if this is of much help, but at Canjam I heard the HD 800 with the wa7 and briefly with the jotunheim. The wa7 impressed me very much and made a great pairing with the Sennheiser sound. I assume the story would be similar with the HD 700, though I've never heard them. Honestly, they...

I just came out of Canjam nyc 2018, and listened to a bunch of headphones with primarily jazz (ranging from miles to brecker brothers to Hank Jones) and also some steely Dan (namely Aja). The headphones that really stood out to me were the stax l700, Sennheiser HD 800, and zmf auteur. I have...