Electro-Harmonix Tube 5U4GB Rectifier Tube
Superior directly heated rectifier Diode. Replacement for all 5U4 types, including NOS-style “big bottle” tubes.
• Straight bottle classic design fits more applications
• Perfect for dual rectifier amps
• Excellent choice for both Hifi and instrument amplification
Electro-Harmonix tubes are all new designs and are of excellent quality. Many OEMs use relabeled Electro-Harmonix vacuum tubes in their amplifiers. If you want great sounding tubes at a very reasonable price, then Electro-Harmonix tubes should be on your list.