Your Will Vincent is absolutely stunning. As is the rest of your rig. Especially  the Tannoys! I honestly don't know if Will wired my ST-70 triode or otherwise. He told me it's putting out about 30 wpc and can handle 4 ohm speakers, if that helps. It was sold as a #6 Limited Edition. I'm currently running Sophia Electric EL-34s in it. It came with Tung Sol KT 66. I also have a set of blue glass JJ EL34C and Psvane EL34L. I will swap them all out for no reason whatsoever. I bought Zu DWs specifically for the amp. It's perfect synergy.