IWISTAO FU50 Vacuum Tube Amplifier 2x8W Single-ended Class A PCBA Finished Board Small 300B DIY

196 In stock

Finished PCBA Amplifier Board

IWISTAO FU50 Vacuum Tube Amplifier 2x8W Single-ended Class A PCBA Finished Board Small 300B Model No: WVT-FU50K   Vacuum tube FU50 is known as the small 300B and close to tube 300B, but the price is much lower than tube 300B, its treble is fine, extension is very good, overtone...
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IWISTAO FU50 Vacuum Tube Amplifier 2x8W Single-ended Class A PCBA Finished Board Small 300B


Model No: WVT-FU50K

 

Vacuum tube FU50 is known as the small 300B and close to tube 300B, but the price is much lower than tube 300B, its treble is fine, extension is very good, overtone is excellent, and the vocals are very cordial. Listening to the original sound of the Dream of Red Mansions can feel that it is super strong; listening to symphony and string music is very good, violin is very delicate, more worth playing than the tube EL34.


This kit solution uses 6J8P for gain amplification driving, FU50 as single-ended class A output, and tube 5U4C as tube rectification. Its output power is 2x8W; don’t underestimate its 8w output. This is a Class A state, it is much better than the digital power amplifier 50WX2 output and also more powerful than the LM1875's 2x25W.


The kits are made of fine materials and all imported high-voltage capacitors ensure safety and stability. All the seats are gold-plated to ensure good contact. High-power resistors use Panasonic, KOA and other advanced fever resistors.

 

WVT-FU50K3l1WVT-FU50K3l2WVT-FU50K3l3WVT-FU50K3l4


The difficulty of making is simpler than general discrete power amplifier. The reason is very simple, that is you only need to solder it yourself and you don't need to use cutting the cooling holes, you can debug it freely. There are not many components. The effect is excellent. After listening, you will forget the amplifier you have done before.

 

1. No Tubes Version
 

WVT-FU50K3l1

2. Within Tubes Version

WVT-FU50K(8x8)l

WVT-FU50K3l

Specifications

1. Size of the finished board(L*W*H): 139mm * 170mm *43mm

2. Transformer voltagfe requirements:

  • AC320V-0-320V / 250ma

  • AC12.6V / 2A

  • AC6.3V / 1A

 

WVT-FU50K(8x8)5

WVT-FU50K7

 

Note: we provide you some items and components for your DIY. If you have enough capablities for circuit-reading, electronical components knowledge, assembling, soldering and problem-solving, you can buy them to enjoy DIY. If not, please don't buy them. We only provide limit technology support in this individial items itself.

 

Shipping

1.Important: Import duties, taxes and other customs related charges all are not included into shipping cost . Buyers bear all responsibility for all extra charges incurred (if any).

2. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address. We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

3. When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

4.Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound. The shipping rate can be showed at the Checkout page. There are two options for shippig as below.

A. Standard Shipping(≤2KG): The Post Registered Air Mail, ePacket or DHL Global Mail

B. Express Shipping: EMS, DHL, UPS , or Fedex. For faster shipping and smooth transaction, we will change the shipping company among them

Returns Policy

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Seller Guarantees

1. One year Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.

2. Defective items MUST BE reported and returned within the warranty period (with the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on our store.

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