Tested By 572B Vacuum Tube for Amplifier Tested Tube Welders Selding Equipment
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Product Name: Vacuum amplifier
– Direct heating 572B high cathode transistor
– Play the role of power oscillation and amplification in the electrical device, In addition, it can also be used to increase the volume of power amplifier and microphone.
– Sent after rigorous testing.
1 x Electron Tube
– After receiving the tube, please do not think it is a faake or poor quality product).