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Symmetric

Reference Zero Feedback Balanced Line Stage

After over then fifteen years in production NAT replaced Symmetrical with new Symmetric line stage - as a new modern looking hybrid type only balanced operation unit!

Symmetric is a newest reference pure balanced line stage made by NAT standard - transformer coupled, class A with zero feedback circuit configuration. Special selected RF linear FET with vacuum tube is used!

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Magnetostat

Reference Absolute Zero Feedback Vacuum Tube Line Stage

Our flagship linestage (Se version)!

Magnetostat set reference point for line stage made by NAT as transformer coupled pure triode class A with absolute zero feedback circuit device. Special military grade type 6S31B-R (tiny super tube) output tubes are used.

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Magnetic

Reference Zero Feedback Balanced Line Stage

Magnetic is a newest reference point line stage made by NAT standards – transformer coupled, class A with zero feedback circuit configuration. Special selected vacuum tube is used - represent high technology in industrial tube manufacturing.

 

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