- JJ 5Y3S rectifier tubes.
- Also known under 5Y3GT designation.
- Directly heated cathode.
- Robust and reliable.
- Most commonly used in guitar amps.
The 5Y3GT was a vintage tube which JJ have thankfully decided to reproduce. It has especially good reliability and is used in radios, hifi systems and other audio equipment in addition to guitar amplifers. One of the best modern 5Y3 on the market.