Nobsound HiFi Vacuum Tube Amplifier Class A Single-Ended Stereo Desk Audio Amp Works. Middle tube broke. Needs to be replaced but otherwise its works fine. Clean. It uses a three prong cable which is not included. Sold as is . FeaturesThis 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.ParametersOutput power: 6.8W * 2Frequency response: 20Hz-20KHzInput impedance: 100K?Output impedance: 8? (4? output line inside the machine, you can change it by yourself)SNR: 90dbInput Sensitivity: 500mv-2000mvHarmonic distortion: 1% (1KHz)Tube: 5U4C * 1 + 6H3N * 2 + 6N1N* 4 Working voltage: 110V / 220VWeight: about 7 kgDimensions (W*D*H): 260mm * 215mm(Plus terminal and knob 260mm) * 150mm

Used, good condition. Works well.

This guy here deserves attention,deserves to be listening Great sounding class A amplifier To me class a is the best Powerful enough to drive your speakers,get hot as usual in this type of amplifier In good working and condition No other accessories included

Nobsound 6P1 Tube Amplifier Class A Single-ended audio amplifier 6.8 watts x2. (integrated) Old school design, point to point wiring, capacitors and tube bliss. No circuit boards or transistors. Gets really loud for 6.8watts/channel. Not modded, all stock, case has never been opened.

The amplifier is in excellent used condition and works perfectly will include a very nice Milton Audio power cord. Ships in its original box

Nobsound 6P1 Tube Amplifier Class A Single-ended audio amplifier 6.8 watts x2. (integrated) Old school design, point to point wiring, capacitors and tube bliss. No circuit boards or transistors. Gets really loud for 6.8watts/channel. Not modded, all stock, case has never been opened.

Nobsound 6P1 Tube Amplifier Class A Single-ended audio amplifier 6.8 watts x2. (integrated) Old school design, point to point wiring, capacitors and tube bliss. No circuit boards or transistors. Gets really loud for 6.8watts/channel. Not modded, all stock, case has never been opened.

Nobsound 6P1 Tube Amplifier Class A Single-ended audio amplifier 6.8 watts x2. (integrated) Old school design, point to point wiring, capacitors and tube bliss. No circuit boards or transistors. Gets really loud for 6.8watts/channel. Not modded, all stock, case has never been opened.

Nobsound 6P1 Tube Amplifier Class A Single-ended audio amplifier 6.8 watts x2. (integrated) Old school design, point to point wiring, capacitors and tube bliss. No circuit boards or transistors. Gets really loud for 6.8watts/channel. Not modded, all stock, case has never been opened.

The Nobsound NS-01G Pro is a powerful digital amplifier with Bluetooth 5.0 connectivity. It offers 100W of power and comes in a sleek black color. With two audio inputs, including TRS/Audio Jack, AUX, and USB, it is compatible with a wide range of devices. It also features analog and digital options for maximum versatility. This amplifier is designed by Nobsound, a trusted brand in the audio industry. It has banana speaker jacks for easy connection to your speakers, and it has two channels for stereo sound. Use it at home or for events, and get high-quality sound every time.

Open box, new amplifier

Open box, new amplifier

Nobsound 6P1 Tube Amplifier Class A Single-ended audio amplifier 6.8 watts x2. (integrated) Old school design, point to point wiring, capacitors and tube bliss. No circuit boards or transistors. Gets really loud for 6.8watts/channel. Not modded, all stock, case has never been opened.

Nobsound 6P1 Tube Amplifier Class A Single-ended audio amplifier 6.8 watts x2. (integrated) Old school design, point to point wiring, capacitors and tube bliss. No circuit boards or transistors. Gets really loud for 6.8watts/channel. Not modded, all stock, case has never been opened.

Open box, new amplifier

In 2021, Nobsound will release a new power amplifier. We improved the output power and usefulness of our prior product while maintaining its small size and gorgeous style. With the upgraded chip TPA3116, the output power is increased to 100W (50W*2) despite its small size (it can be held in one hand). When you see it, you will be astounded by its output power in comparison to its size. AUX/USB/Bluetooth input is supported. You can listen to music in a variety of ways. The Bluetooth feature has also been improved. It is now more stable and quicker. It’s worth noting that music can be played losslessly using the USB input (much like connecting to a PC). You don’t need to install a driver, by the way). You’ll be pleasantly surprised. the audio quality

Open box, new amplifier

Features Pure Handmade, stainless steel chassis combined with solid wood panel, very Classic. EL34B tube upgraded to PSVANE brand. Well balanced tone: EL34 gives you outstanding highs & mids when 6H8C brings deep lows. Class A Single Ended Amplifier to reduce distortion?To protect the amp,tube and machine are packed individually. Self-Biasing design; Analog inputs; Output tags for speaker impedance: both 4? & 8?. [GUARANTEE] We provide a 1 year warranty for the amplifier and 2 month warranty for the tubes. Our goal is to provide 100% customer satisfaction so you can buy with confidence! 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Sign Up Now ! Nobsound NS-03D EL34 Vacuum Tube Amplifier HiFi Stereo Audio Class A Power Amp Item description Want to buy it now please click: LINK Notice: 1. The tubes are upgraded to 5U4Cx1 / 6H8Cx2 / PSVANE EL34Bx2. 2. If you want Bluetooth version or Mona iron version, please click: LINK for more details. Many music lovers choose Nobsound NS-03D tube Integrated Amplifier to be the backbone of their audio system or home stereo. The reason is simple: EL34 vacuum tube integrated amplifiers provide unexpected sound quality for you. Integrated Amplifiers combine the engineering and performance of Amplifiers and Preamplifiers into one space saving unit. By sharing a single chassis, integrated amplifiers help reduce the overall footprint of the audio system or home stereo. With the classic tubes matching: 6H8C+EL34B, Nobsound NS-03D Tube Amplifier brings you firm and full mids, smooth highs and also deep lows. It is perfect for vocals (natural and sweet), strings, pipes and jazz. If you would like a tube amp with balance tone, putting it in your living room to enjoy the pure and clean music with a glass of wine during your leisure time. Features Pure Handmade, stainless steel chassis combined with solid wood panel, very Classic. EL34B tube upgraded to PSVANE brand. Well balanced tone: EL34 gives you outstanding highs & mids when 6H8C brings deep lows. Class A Single Ended Amplifier to reduce distortion?To protect the amp,tube and machine are packed individually. Self-Biasing design; Analog inputs; Output tags for speaker impedance: both 4Ω & 8Ω. [GUARANTEE] We provide a 1 year warranty for the amplifier and 2 month warranty for the tubes. Our goal is to provide 100% customer satisfaction so you can buy with confidence! Specification Output power: 8W×2(ultra linear connection default) Tubes: 5U4Cx1 / 6H8Cx2 / PSVANE EL34Bx2 Frequency response: 20Hz-25KHz Output impedance: 4Ω, 8Ω Distortion:≤ 1%(1kHz) Input impedance: 100KΩ Input sensitivity:500mV-2000mV SNR: 90dB Input power supply: 110V-120V, 220V-240V/50-60Hz Transformer power: 150W Size: 360×220×55 mm (W×D×H) Weight: 12Kg Packing list 1× Amplifier 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 dont 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 dont 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

Open box, new amplifier

Open box, new amplifier

ONLY MAIN UNIT NO CORD OR ANYTHING ELSE

Nobsound Mini Amp Amplifier Class D Digital Stereo Speaker Bluetooth / 3.5mm AUX. New unused tested by us, still has its cellophane! Will come as pictured not in original box. Fast dispatch Thanks for looking. Audio inputs: Bluetooth / USB(Type-C) / 3.5mm AUX Audio output: Banana Speaker Jacks Bluetooth Version: 5.0 Max output Power: 50W*2 (24V/4 load) Speaker Impedance: 4-16 Working voltage: DC 9V-24V Power specification: 5.5mm / 2.1-2.5mm Frequency Response: 20Hz-20KHz(1dB) SNR: 98dB THD: 0.04%