IWISTAO HIFI Power Amplifier Finished Board 1 Pair 200W Golden Throttle A60 AC24VX2 ~ AC42VX2 DIY

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Finished PCBA Amplifier Board

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IWISTAO HIFI Power Amplifier Finished Board 1 Pair 200W Golden Throttle A60 AC24VX2 ~ AC42VX2   Model No: WHFPA-A60   Golden Throttle A60 is a flagship amplifier of the generation. It has high and low frequency density, good control power, and excellent level of detail. The circuit is fully symmetrical...
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$109.90
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).

IWISTAO HIFI Power Amplifier Finished Board 1 Pair 200W Golden Throttle A60 AC24VX2 ~ AC42VX2

 

Model No: WHFPA-A60

 

Golden Throttle A60 is a flagship amplifier of the generation. It has high and low frequency density, good control power, and excellent level of detail. The circuit is fully symmetrical and current feedback. The main feature of this circuit is the use of complementary push-pull circuits from the input stage to the output pole. It can easily obtain a conversion rate of hundreds of volts per microsecond, and the drive capacity for capacitive loads is quite good, and the sound quality is even better.

Fully symmetrical architecture and precise transistor pairing make the midpoint very stable from debugging. With the ON series high-power tube, the sound is bright and clear, the layered harmonic is very good, and the sense of festival is strong.

The circuit board has been equipped with a rectifier circuit, so you only need to connect the transformer, no need to add a rectifier board. Wiring installation is very convenient. Adjust the static current of the large tube to 100-300mA per tube, the board has a TEST point, test the voltage drop at the 2 end to 20-60MV.

WHFPA-A60_l

Note: Remember to add the mica sheet when installing the large transistors. The mica sheet must be coated with thermal silica gel! ! !

 

Features

1. Adopt Japanese 50A Sanken rectifier bridge

2. Circuit resistance comes standard with 718 resistance

3. Using Japanese Nikon KG or ELNA ADUIO as the main filter, the music taste is excellent.

4. The input transistors are Japan Toshiba HIFI tube 2SC2240 2SA970 with precision matching; Driver as the ON NJE15034 / 35, and the power pair transistors adopts ON NJW0281G / NJW0302G.

5. Japan Omron + UPC1237 protection circuit to ensure safe and reliable output and protect speakers

6. The midpoint servo circuit makes the output more stable without zero adjustment

 

WHFPA-A60(1)lWHFPA-A60(2)_lWHFPA-A60(4)_l

WHFPA-A60(1a)2l

 

Specifications

1. Operating voltage: AC24VX2 ~ AC42VX2 plus AC12V (for protection circuit)

2. Output power: 200W (8 ohms), 300W (4 ohms)

3. Distortion: 0.002%

4. S / N ratio:> 100dB

5.PCB size: 195mm * 80 mm (excluding heat sink)

6. Qty: 1 pair

7. Weight: 0.8kg/Pair

 

WHFPA-A60(3)_l

Applications

WHFPA-A60(1)l1

 

 

 

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, Special Route.,etc. 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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