The Sovtek 5AR4/GZ34 Rectifier is unparalleled in quality. Our tubes are designed and manufactured to meet the high demands of fidelity, reliability, and warmth. When you next replace your tubes, insist on genuine Sovtek vacuum tubes to ensure you receive the best possible product for any rigorous application.

This rectifier is a directly heated, heavy-duty diode that sets the industry standard for all 5AR4/GZ34 types. It is a fast-rising, full-wave rectifier, built to last under demanding conditions.