AI-generated approximation — not official manufacturer imagery.
About the 2A3-S
The Emission Labs 2A3-S is a plug & play, direct replacement for the original RCA 2A3 tube, biasing exactly at the original operating point. It supports higher power operation up to 28W plate dissipation in single-ended mode, delivering up to 9.3 Watt RMS output with lower distortion at higher power. The tube features gold plated grids, hard metal construction, extra large getters, hand-blown glass bulb, and a base glued with anti-vibration rubber for durability and reduced microphonics. It is suitable for both single-ended and push-pull amplifier designs. The first owner can register the tube for a 5-year guarantee program. The tube is known for remarkable robustness and excellent sound character, with critical parts made of hard metal for higher reliability and reproducible quality.
Specifications
Key Specifications
Full structured specifications are available to members.
Sign up to see full specificationsSee the full picture as a member
Create a free account to see where to buy, full structured specifications, similar components, and the systems that pair this with other gear.
Sign up free