Power stage and Input voltage amplification stage adopts 6N2 and 6P1, low distortion, low noise and wide frequency response, standard connection method with high amplification efficiency. 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Sign Up Now ! Douk Audio Hi-Fi Class A Single-Ended Tube Integrated Power Amplifier DIY KIT Item description Shipping from USA Warehouse, you will receive it within 1-6 bz days. Notice: 1. This is DIY KIT version which needs you have some welding ability and electronic knowledge to solder, and finished version please click: Link 2. Not include power cord, please prepare it by yourself. 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 Power stage and Input voltage amplification stage adopts 6N2 and 6P1, low distortion, low noise and wide frequency response, standard connection method with high amplification efficiency. The power circuit adopts vacuum tube rectification, low internal resistance of power supply, which has great benefits for reducing noise and improving the dynamics. Not only keeps the musical charm of tube amplifiers but also makes the sound harmonious and balanced. The sound quality is pure and mellow, delicate and sweet , it has good control to the speaker. Parameters Output power: 4Wx2 (standard connection) suitable for More than 90db sensitivity speakers Frequency response: 20Hz-20KHz Input voltage: 100-120V / 220V-240V 50HZ/60HZ Main transformer power: 75W Output impedence:4Ω/8Ω Power transformer: 76 * 40 230v 0.15a, 3.15v * 2 3a 75W Output transformer 5k 66 * 32 8W Dimensions: 310*170*48mm Weight: 6Kg Packing List 1*Full Set Components of Tube Amp 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. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. 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