In need of power transformer.

Looking for someone who sells a Power Transformer: 750V CT@~200mA, 6.3V@8A, and maybe a 2nd 6.3V@~1.5A plus a 50V - 60V bias tap or winding. Was looking at the Hammond BX374 but the 6.3V tap only rated for 6A. Four 6550s or KT-88s will draw 8A. Any suggestions?