Inovative Audio Manufacture

Vacuum I.N.

Full Battery Powered Vacuum Tube MM Phono Stage

Our flagship phono stage!

NAT set a new standard in phono stage state-of-the art product by new approach-vacuum based inverse network realised in model Vacuum I.N. . Standard inverse network is based on RC or even better RLC type as main part of the signal path. NAT put vacuum field medium instead. Vacuum I.N is based on 14 vacuum tubes in full absolute zero feedback configuration to form uncompromised MM phono stage!