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. 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Sign Up Now ! HiFi Class AB Tube Power Amplifier DIY Kit Push-pull Stereo Audio Amp 12W+12W Item description USA Warehouse delivery, you will receive it within 1-6 bz days. Warm tips: 1. This is DIY kit version(without power cord), we don't provide step by step guidance, you need have some welding ability and electronic knowledge to solder, or else we recommend you click: LINK to to buy finished version. 2. Because the inventory of some components such as coupling capacitor are not stable, so different batches may with different brands, but the quality will be the same, don't worry. 3. Due to the scarcity of electronic tubes and the instability of inventory, the actual shipment will be replaced with different types of electronic tubes according to the actual situation. All replacement components are of the same level, and there is no difference in function and effect. Please understand. If you mind, please do not buy. 4. The circuit diagram sent is for reference only, please refer to the actual product, if you have any questions, please feel free to contact us, we are glad to help you. Features 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. Parameters: Tube model: 6F2*2+6P1*4 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% (1kHz) Input sensitivity: 500mV--2000mV Input impedance: 100KΩ Output impedance: 4 / 8Ω Signal to noise ratio: 88dB Net weight: 5.5kg / 16.31lb Package weight: 6.8kg / 17.63lb Packing List 1 Set*DIY Kit Not include Power Cord Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. 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