IWISTAO Tube Tone Adjustment Board 6N3 Preamp 6Z4 Rectification Sweet Natural Taste DIY

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Tube Preamplifier

Tube Tone Adjustment Board 6N3 Preamp 6Z4 Rectification No Including Transformer Sweet Natural Taste DIY    Model No: WVT-TPA6N3   This is a tone board with 2pcs tube 6N3 and uses tube 6Z4 as rectification. The low frequency crossover point is 30Hz, its drum rumbling is absolutely shocking from your...
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Tube Tone Adjustment Board 6N3 Preamp 6Z4 Rectification No Including Transformer Sweet Natural Taste DIY 

 

Model No: WVT-TPA6N3

 

This is a tone board with 2pcs tube 6N3 and uses tube 6Z4 as rectification. The low frequency crossover point is 30Hz, its drum rumbling is absolutely shocking from your bass speaker unit. And the high frequency crossover point is 10KHz, which is absolutely delicate. So, please remember that it is not suitable to use it in full-range speaker sound systems.


PCB is first-class PCB quality, that is a double-sided plate with spray tin process, to ensure  good performance for large and small current flow. This board is very easy to connect and is ideal for DIY enthusiasts.


The schematic of this board can not be provided. If you need to improve, you can directly replace the related component with the advanced components as same parameters.

WVT-TPA6N3(12)l

 

Features


1. PCB specification: 205mm*120mm, 1.6mm thicker.
2. Volume/bass/treble/balance adjustment  available for this board.
3. Vacuum tubes are placed horizontally to make it easier to find a suitable chassis. Copper pillar height is not higher than 5CM.
4. Vacuum  tube: The rectification part of the high-voltage power supply adopts rectification tube 6Z4, which is more musical than the bridge stone rectification. The high-voltage filter capacitor uses PHILIPS BC 150UF*2 and the filter mode is CRC. Filament uses DC power supply through  8V AC bridge rectifier , then using a 7806 three-terminal regulator for the tube filament.
5. The potentiometer adopts high-quality 09 type B100K one. The coupling capacitor uses Hong Kong TE MKP HIFI film capacitor and the resistor is a precision 5-ring metal film copper foot resistor.

 

WVT-TPA6N3(1)lWVT-TPA6N3(11)lWVT-TPA6N3(13)l

WVT-TPA6N3(15)l

 

Power transformer selection recommendation


1. Power of the power transformer is not less than 50W
2. Secondary voltage of Power transformer:
a) 220V-0-220V/40MA (AC-0-AC on the board;)
b) 8V/1.5A (on the board H1-H2);
c) 6.3V/1A (AC 0-6.3V on the board)

  

 

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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