1979’s GE JAN-12AT7WA Top Ring Getter Green Print Made in USA Amplitrex Tested Tube

GE JAN-12AT7WA  — Matched Pair (2 Pcs)

Up for sale is a premium matched pair of two pieces 2 Pcs of vintage original General Electric JAN-12AT7WA vacuum tubes. Highly prized by audiophiles and musicians alike for high-end preamps, phono stages, driver positions, and guitar amplifiers, the “WA” variant represents the pinnacle of ruggedized military-grade selection—engineered strictly for lower noise, reduced microphonics, and an exceptionally stable, extended operational lifespan.

As shown in our reference verification photograph these tubes boast crisp, original Green Print labels and the classic GE logo. Built to withstand grueling industrial and defense parameters, they feature robust Grey Plate structures, premium Top Ring Getters, and heavy glass envelopes. Both valves arrive preserved in fresh, clean protective white boxes.

Testing & Verification: This dual-triode pair has been fully mapped and screened using our calibrated Amplitrex AT1000 analyzer under factory operational parameters. Measured accurately against the standard 12AT7 baseline factory specifications of Ip = 10.0 mA and Gm = 5,500 uMhos per triode section, these vintage NOS specimens show strong emissions and excellent transconductance tracking, making them ideal for high-fidelity stereo or critical studio equipment.

About NOS Audio Tubes

We are specialized suppliers of high-grade vintage vacuum tubes and valves, maintaining an industry lineage established back in the 1970s. With an extensive inventory of nearly 300,000 components, we serve high-end audiophiles and vintage equipment restoration collectors worldwide. Every tube is strictly evaluated using calibrated industrial testing instruments such as the Amplitrex AT1000 to guarantee absolute transparency.

Notice: Custom duties and Taxes are the Responsibility of the Buyer in their Country.

Note : We have more than 400 Pcs

Support: [email protected]

NOS Audio Tubes — Mumbai, India