Not included AC power cord Finished version :Finished amplifier, included AC power cord. Choosing 6F2 and 6P1 vacuum tube, adopting full bridge rectification, and triode-pentode 6F2 vacuum tube as pentode to pre-stage amplify, triode as reverse phase to push 6P1.The sound quality is pure and warm, full and mellow, delicate and sweet. Adopting push-pull circuit, output power reaches 12W+12W and has good control to the speakers. High-quality components are used to guarantee the sound quality: A-type potentiometer Power and output transformer are made of imported silicon steel sheet and winded of layer-to-segment technology Germany WIMA audio dedicated coupling capacitors 0.8mm brushed stainless steel chassis and each hole is CNC machined Two sides of wooden panel are made of imported beech and painted environmentally. Very perfect in circuit design and workmanship, exquisite appearance and can greatly upgrade the sound quality of speakers, providing both visual and auditory enjoyment. Tube model: 6F22+6P14 Working status: Class AB Audio input: stereo L/R RCA Audio output: banana speaker jacks Rated output power: 12W + 12W Frequency response: 20Hz--20KHz Total harmonic distortion. 1 x Finished Tube Amplifier (optional) 1 Set x DIY Kit of Tube Amp (optional) 1 x Power Cord (for Finished version). This item is in the category "Consumer Electronics\TV, Video & Home Audio\Home Audio\Receivers & Amplifiers\Amplifiers & Preamps". The seller is "snjh1820" and is located in this country: CN. This item can be shipped worldwide.