We had build a new phono which is based the legendary Neumann WV 2 Riaa.It is full balanced with transformers, and we build with Vacuumsmelze (dated 1977) We used small akkus like in the neumann there are. The tubes rae RUSSION lowest distorsion 10k hours lifetime, military produsct compare Telefunken,Siemens. The poti is NOBLE NOSthe PSU is a brand new design, and much more better than our previous was and 10x better than neumann.I promise It is really a audio note M9 killer.