NEW Biliary tube amp drive low resistance large box and kilo-ohm headphone KIT

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Seller: lifangduo1006_0 (645) 100%, Location: 深圳, Ships to: Worldwide, Item: 123977297296 NEW Biliary tube amp drive low resistance large box and kilo-ohm headphone KITDescription note This is a kit that requires your own assembly. Pcb size 160x285mm board thickness 2.2mm copper thickness 2oz The circuit diagram uses 12au7 pairs and 6p12p pairs by default. The following power tube is the same as the power parameter characteristics, but the filament voltage is not the same. Changing the filament voltage can be compatible with the use of. 6P12P/EL504/EL500/EL519/PL504/PL500/pL519....... The default filament filter capacitance of the kit is 16v/3000uf, which is only suitable for 6P12P/EL504EL500EL519 power tube with 6.3v filament voltage. Users of other 27v and 40v filament voltage power tubes, please use 63v filament filter capacitor separately. Capacity can be in the range of 2000uf. When welding parts, try to mount the resistance ridges upright. The tube seat is welded with an electron tube. The premise is that the electronic pin must be clamped with a small pliers or a chopper to correct the foot pin and then inserted into the gallbladder seat to prevent the welding out of the gallbladder. Feet while inserting another bile to be easily torn by stress! All parts solder joints must be fully soldered to the two solder points. The machine must be fully powered up before it can be powered on. The transformer selects the voltage to use based on different power tubes. (The power stage uses the following power tube 6P12P/EL504/EL500/EL519) 300V-0-300v/250MA 5V/3A 6.3V/1A 7.5V/3A 7.5V/3A (Power stage uses the following power tube PL504/PL500) 300V-0-300v/250MA 5V/3A 6.3V/1A 29V/0.8A 29V/0.8A (Power stage using the following power tube PL519) 300V-0-300v/250MA 5V/3A 6.3V/1A 42V/0.8A 42V/0.8A More demanding users Power transformers can separate high voltage and filament respectively.Circuit uses choke 2 10H150MA Package Included: 1 x Biliary tube amp drive low resistance large box and kilo-ohm headphone KIT ShippingItem will be shipped within 24 -48 hours after full payment is received.Normally the shippment to worldwide is used to take 15 to 30 business days, exclude Sat & Sun.PaymentWe accept PayPal only.Payment must be received in 7 business days of auction closing.Please leave note for your special request (e.g. Colors or Size) in ebay note when you pay the order.Any special request cannot be accepted after 24 hours of payment,because most of orders will be processed instantly and same day dispatched.Contact UsIf you have any questions, please feel free to email our servicer ,and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. If you haven't received item in 45 days, please contact us and we will arrange refund or resend Feedback We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply your email as soon as possible, please kindly allow 24 hours(working day) for us to response. Thank you.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. Condition: New, Non-Domestic Product: No, Modified Item: No, Custom Bundle: No, MPN: Does Not Apply, Brand: Unbranded/Generic

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