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Sign Up Now ! Vacuum Tube Amplifier DIY KIT for 300B+6SN7+5U4G Single-ended Class A Amp 8W+8W Item description Features

• 6SN7+300B single-ended output form design, high signal to noise ratio, background is very quiet. The preamp gain is high and the sound field positioning is better. The circuit is debug-free and easy to assemble.

• High-end and brand new components, such as French SCR coupling capacitors, 24K gold-plated diamond ceramics 300B sockets and so on to ensure the perfect performance of the circuit.

Notice:1. This is DIY KIT, you need to solder it by yourself, if you want assembled board please click: LINK. Not including vacuum tubes and transformer, if you want please contact us.2. Don't turn it on before the output transformer connected to the speaker, no-load will result in damage.3. Input voltage to the terminal connection must be strictly in accordance with the circuit diagram.the other parameters pls according to the PCB. The 5U4 filament is changed to 5V, and the 2 points that marked "L" are connected to the choke.4. After the module is powered on and works normally, then install the vaccum tubes. Don't touch the tubes during its working.Packing List:300B tubes Block----------- 2 8-pin tubes Block ---------3 PCB ---------------1 Small two terminal------------ 4 Small three terminals------------ 1 Siemens 68U-450V------------- 5 Philips 22U-400V -------------2 France Suren 0.22U------------ 2 Philips 10000UF 10V -----------2 25A Bridge--------------- 2 Heat----------------- 2 Philips-100UF-160V --------------2 Philips-100UF-16V Axial -----------2 LED----------------- 1 5W-2K imported Resistance------------ 4 2W-15 imports of Resistance ---------4 1K 1/4w DALE ------------5 22K 1/4w DALE -------------2 220K 1/4w DALE----------- 2 47K 1/4w DALE ------------1 150K 1/4w DALE ------------1High-end Matched components1. Power transformer, please click:Link2.Choking coil, please click:Link3. Japan Z11 output transformer, please click:Link4. Chassis designed for 300B, please click: Link5. PSVANE 300B+Russia 5U4G+Russia 6SN7 (430 USD)please contact us. Payment Delivery details Return Policy About us Contact us Payment Safe and secure payment by PayPal.
Delivery details Please leave VALID TELEPHONE NUMBERwhich is necessary and very important.Customs Clearance
We are NOT responsible for any customs duties fee.
We are NOT responsible for any import tax or customs delay.Most item will be shipped within 2 working days. For package less than 2KG, we use Airmail (10-25 days to most countries) and for package over than 2KG we use Expedited Service such as DHL, UPS and FEDEX (5-8 days to most countries).

Return Policy

Free Return Within 30 Days

We provide return within 30 daysfor all items you bought on , full refund and return shipping will be provided.

1-year warrantyis 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. response is very important to us just like our lives, please DO contact us before you leave a neutral or negative response, 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 response or make dispute/claim on our non-working time, thank you for your understanding and cooperation.

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6SN7+300B single-ended output form design, high signal to noise ratio, background is very quiet. The preamp gain is high and the sound field positioning is better. The circuit is debug-free and easy to assemble.High-end and brand new components, such as French SCR coupling capacitors, 24K gold-plated diamond ceramics 300B sockets and so on to ensure the perfect performance of the circuit.