TAD selected rectifier tube (RT504)

  • id:
    43721
  • sku:
    5U4GB
  • brandname:
    TAD

selected rectifier tube (RT504)

The Straight One!

The 5U4GB has a straight glass envelope. This type has been widely used in U.S-made guitar amps from the 1950s to the 70s. The 5U4GB has a slow start feature, which protects output tubes from high voltage peaks when you switch the power on.