The JJ GZ34/5AR4 Rectifier Tube is a cost-effective and reliable replacement for amplifiers using GZ34/5AR4 tubes. With its high-quality construction and exceptional sound, this tube is a great choice for any amplifier. Upgrade your equipment with this top-performing tube.

All Ruby Tubes are pre-sorted, tested, and burned in. You can count on these for quality assurance!

6 month warranty on all tubes.