Battery Powered Vacuum Tube Phono Stage



Battery supply is used for the military grade ultra low noise nuvistor 6S51N-B & 6S53N-B triodes with approximately 20 000h of life time all by military and N.O.S. type.

System of battery charging is full automatic.

AC voltage (for battery charging and logic) is filtered by separate encapsulated and shielded power line conditioner.

Low output types of MC cartridges are boosted by the premium with dual gain option amorphous step-up transformer.

Passive RIAA equalization is applied regarding the philosophy of zero feedback concept. Signal-to-noise ratio is impressive (over 90dB), partly thanks to battery supply.

With output impedance of around 500 ohms Signature Phono may easy drive any interconnect cable at reasonable length.

High quality gold plated teflon isolated connectors, both input and output are used in phono stage.

Each Signature Phono preamplifier is hand crafted device with burn in test period of 100 hours.

Again, Signature Phono Vacuum RIAA confirm original innovative approach of NAT globally.

NAT Audio Signature Phono- Vacuum Tube Phono Stage


    (404)  764-6233

    Atlanta, GA. USA

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