3 4 section triode 300B. The Western Electric 300B is a triode electron tube with the following technical data Maximum anode voltage 450V Maximum anode power 40 watts Maximum grid voltage 100V amplification factor 3.85. The 300B is often used in high quality audio amplifiers due to its high gain and low distortion. It is particularly suitable for Class A amplifiers as they require a constant power supply which the 300B can handle well. The tube is also often used in single ended amplifiers which produce a particularly clear and natural sound. Some well known use cases for the 300B are the Audio Note Ongaku and the Shindo Montille two very renowned tube amplifiers in the audio world. I hope you have fun with the Blender model.