IWISTAO Ultra Class A amplifier 2X80W Stereo Integrated Power Headphone Amp Whole Aluminum Casing

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HIFI Transistors Power Amplifier

   IWISTAO Ultra Class A amplifier 2 X 80W Stereo Integrated Power and Headphone amplifier  Whole Aluminum Casing Black HIFI Audio   Model No: WHFTA-HA2200  The circuit of ultra Class A amplifier is improved from the circuit of audio tech nica headphone amplifier, and added a power amplifier features into the unit,...
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 IWISTAO Ultra Class A amplifier 2 X 80W Stereo Integrated Power and Headphone amplifier  Whole Aluminum Casing Black HIFI Audio

 

Model No: WHFTA-HA2200 

The circuit of ultra Class A amplifier is improved from the circuit of audio tech nica headphone amplifier, and added a power amplifier features into the unit, making it two-in-one "integrated a power amplifier and a headphone amp, which is practical and convenient. For those audiophile had a high-end headphone but want to own a power amplifier, you don’t need to buy another headphone amplifier, to buy this unit then you can own a high quality power amplifier and headphone amp with one-step process.

 

WHFTA-HA2200

 

WHFTA-HA2200(2)

Circuit structure for a two-stage differential circuit, the input stage uses K170, behind the main amplifier transistors adopt Tosh iba A970 and C2240; Output transistors of power stage adapt dedicated audio transistors NJW0302 and 0281by ON Semiconductor on, pure tone, good penetration, quiescent current per transistor is 250MA. Plugged in any headphones, the headphone amplifier work in the class A state.

 

WHFTA-HA2200(1)

(The panel of the photo above only for you information)

 

All chassis with brushed surface coloring treatment, first-class technology, superior quality, all-aluminum volume knob, first-class hand feeling.

 

WHFTA-HA2200(01l)

 

About Ultra Class A Amplifier

Class A amplifiers, whenever there is a fixed, guaranteed maximum undistorted output bias current.

Class AB has a larger bias current relative to the near-zero current state; under class A and B status, it work on the class A within a certain signal intensity, beyond the scope of signal intensity it work in the class B status.

Bias current of ultra class A amplifier always track the signal size to ensure that the signal is amplified work on the class A status, regardless of the size of this signal; and it is the amplifier with the advantages of no cut-off and close for class A amplifier, and efficiency of class B amplifier.

 

Actual Audition

1. Headphone amplifier section: listen with headphones, high analytical, clear treble, saliva sound could be heard, squelch it almost inaudible;

2. Power amplifier section: drive a pair of ordinary speakers SO NY 8-inch, audition room space about 25 square meter, the effect is amazing, excellent performance of each frequency, low frequency not soft. It is a good partner room for the signal from of computer and a CD indoor.

 

Features

1. Two-side 1.6mm thickness blue oil PCB.

2. 25A rectifier filter circuit plus 2pcs 10000Uf Leroy gold filter capacitor. Small capacitors used imported hifi capacitors, 5-rings high precision resistors, high quality assurance.

3. 125W copper wire toroidal transformer and import audio shielded cables, potentiometer adopted Japan ALPS16 type.

WHFTA-HA2200(1l)

 

(The panel of the photo above only for you information)

 

 

WHFTA-HA2200(TRl)

 

WHFTA-HA2200(TR2l)

 

 

4. UPC1237 comprehensive protection circuit with start delay, switches no impact, midpoint protecting your valuable headphones and speakers.

5. Improved amplifier circuit has been carefully added some useful features: dual relay design, as long as the headset is plugged in when using the headphone amplifier function, the power amplifier output will automatically disconnect and mute, so just it is a headphone amp, and unplug the headphone amplifier will resume speaker output, this feature is very useful and practical.

Specifications

1. Output Power: 80W + 80W

2. Frequency Response: 20Hz ~ 20 KHz

3. SNR :> 90dB

4. Output Impedance: 4 ~ 8 ohm

5. Headphone amplifier power: 200mW / 300 ohm, 400mW / 60 ohms

6. Headphone amplifier output impedance: 30-300 ohm

7. Input voltage: AC 220V / 50Hz (110V available if you need, please leave a message)

8. Dimensions (W * D * H): 184mm * 301mm * 60mm

9. Weight: 4.5kg

10. Accessories

Power cord x 1

 

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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