This Class A single-ended vacuum tube amplifier adopts hand welding to ensure the true reality of the sound quality. This amplifier adopts transformer parallel output to reduce its internal resistance by half and achieve doubled improvement on its power. Using antimagnetic transformer covers to shield current interference and achieve much lower static noise. Its sound output is full of analog style. The bass part is deep and powerful and the vocal part is sweet and intoxicating. It has a classic and graceful appearance. The VU meters and vacuum tubes make it more elegant and attractive. Add to Favorites Seller Join newsletter New Arrival Ending Soon View Feedback About Us Contact Us View All Categories Add-on Items US WareHouse Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Home Feedback Save Seller New Listed Ending Soon Contact us Store Category Add-on Items US WareHouse Add-on Items Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Processor Audio Adapter / Converter Audio Splitter & Switcher Music Spectrum & Clock Audio Player & Turntable Parts Audio Board & DIY Kit Radio Communication Audio Accessories Other Digital Amplifier Tube Amplifier Hi-Fi Amplifier Preamp & Phono Stage Headphone Amplifier Bluetooth Receiver/Transmitter Audio Adapter / Converter Audio Splitter / Switcher Audio Processor Music Spectrum & Clock Record Player & Turntable Part Empty Chassis Power Supply HiFi Speaker Audio Cable Vacuum Tube Radio Communication Audio Accessories Join Our Newsletter Receive our email newsletters about new items and special promotions! Sign Up Now ! Nobsound HiFi Vacuum Tube Amplifier Class A Single-Ended Stereo Desk Audio Amp Item description Warm tips: 1. Please make sure all vacuum tubes has been inserted fully and tightly before turning on the amp, otherwise the amp will be damaged. 2. 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. Features This Class A single-ended vacuum tube amplifier adopts hand welding to ensure the true reality of the sound quality. This amplifier adopts transformer parallel output to reduce its internal resistance by half and achieve doubled improvement on its power. Using antimagnetic transformer covers to shield current interference and achieve much lower static noise. Its sound output is full of analog style. The bass part is deep and powerful and the vocal part is sweet and intoxicating. It has a classic and graceful appearance. The VU meters and vacuum tubes make it more elegant and attractive. Parameters Output power: 6.8W * 2 Frequency response: 20Hz-20KHz Input impedance: 100KΩ Output impedance: 4/8Ω SNR: 90db Input Sensitivity: 500mv-2000mv Harmonic distortion: 1% (1KHz) Tube: 5U4C * 1 + 6H3N * 2 + 6N1N* 4 Working voltage: 110V / 220V Weight: about 7 kg Dimensions (W*D*H): 260mm * 215mm(Plus terminal and knob 260mm) * 150mm Packing List 1×Finished Tube Amplifier 1×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. Contact us Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at: Working time Beijing(CN)Monday-Friday09:00 AM - 18:00 AMNew York(US)Sunday to Thursday08:00 PM - 05:00 AMLondon(UK)Monday-Friday01:00 AM - 10:00 AMParis(FR)Monday-Friday02:00 AM - 11:00 AM During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation. Home Feedback Save Seller New Listed Ending Soon Contact us