HiFi 300B Vacuum Tube Power Amplifier Board DIY KIT Class A Stereo Audio Amp 16W
$ 42.23
Description
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 . And because of the instability of some components, we will change to others of the same level, don'w worry. 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 nichicon 22U-400V -------------2 France Suren 0.22U------------ 2 nichicon 10000UF 10V -----------2 25A Bridge--------------- 2 Heat----------------- 2 nichicon-100UF-160V --------------2 nichicon-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 ------------1 Payment: We only accept PayPal . PayPal is the only online payment method we accept. Please make sure you have a valid/confirmed PayPal account prior bidding. And please make sure that your PayPal registed address is the same with your eBay registed address. Shipping: It usually takes about 10-30 working days to arrive for economy shipping which not including tracking number; 7-15 working days for standard shipping which including tracking number. Transit time may be a little delayed because of the bad weather and customs inspection. If you do not receive your item within 30 working days since payment finished, please contact us immediately for further assistance. Note: It may takes more than 30 working days to other countries such as Mexico,Brazil,Chile,Peru, because they is far away from China. PS: We also offer faster shipping service (3-5 days to deliver), such as DHL,EMS, but buyers need to pay for the extra shipping cost. Please contact us if you need it. Customs Declaration: Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding. Return Policy: If you are dissatisfied with our item or service, then please follow the good eBay practice to contact us by eBay message before leaving any feedback. We are committed to resolve all issues in a friendly and satisfactory manner. We always reply to eBay messages within 1-2 business days. If you do not get a response from us, then please check your eBay message. Only unused, undamaged and original condition item can be qualified for a return. Feedback: We strive for 100% customer satisfaction! Positive Feedback is very important to us. If you have any questions, please feel free to contact us instead of leaving negative feedback. We will reply your email within 24 working hours.
