• Rectifier tube.
  
• Made by JJ Electronic.
  
• Great in hi-fi or guitar amp applications.
  
• Reliable & durable construction.
  
• One of the top rectifiers on the market.
  

The JJ GZ34 /  5AR4 tubes are known for being incredibly long lasting often not requiring a change for years. They're often described as the best new production rectifier tubes and JJ have continuously improved the design and reliability over the last 10+ years.

See Also:

• JJ Electronic Tubes
• Rectifier Tubes
• Tubes and Valves for Amplifiers