Single-ended class A 300B tube Amplifier Hand scaffold made, the circuit is simple and neat, the noise control to a very low range, The sound sweet and delicate soft and listen to the magnificent momentum of the surging, The real interpretation of all the contents of the 300B. Upgrade the Russian OTK 6 8 Transformer material Japan Z11, power supply voltage of 115 60, 350W, The oxygen-free copper output transformer is 86 50, 25W Four caught three! Aluminum foil shield, background pure. Potentiometer is Japan ALPS, coupling capacitor is Germany Mengdu Fu oil-immersed capacitors, Silver-plated WE cables, Teflon high-temperature silver-plated audio cables, Japan ALPS potentiometer.Performance parameters: Rated output power: 8W × 2 Frequency response: 20Hz - 25KHz Total Harmonic Distortion. I really like the sound of it. Note: When we received the machine, please use walnut oil, Natural oil or interior wax to scribble the redwood part to maintenance of the redwood. The item "Single-ended class A 300B tube Amplifier" is in sale since Friday, September 29, 2017. This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "lance6881888" and is located in Shenzhen, Guangdong. This item can be shipped worldwide.