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TDA7293/TDA7294 Mono Channel Amplifier Board Circuit PCB Bare Board

(20 customer reviews)
Availability:

9291 in stock


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$0.99 $1.25

9291 in stock

Power supply: double AC 15V to 36V (AC needs rectification and filtering) or DC positive and negative 18V to 50V. Recommended double 35V (Note that it is not a dual 35V transformer, it is positive and negative 35V DC. And it is recommended to double 26V/200W toroidal transformer, after rectification voltage is about DC double 35V).

Reminder: The battery can be used! (Must be a battery in series).

Transformer power: The power of the power supply transformer should not be less than 200w when the two channels are used. The power of the power supply transformer should not be less than 100W when mono. The power supply rectifier filter: the total of the two channels should not be less than 40,000 uF, the rectifier bridge is preferably 25A or more.

Output power: maximum output power 85W

Midpoint voltage: less than 1mV

Load: It can promote large-scale floor-standing speakers for home use.

Radiator: According to the supply voltage, the power supply has a high heat output and a large output power.

Plate material: FR4 double-sided fiberglass board, 2 amps of copper, blue ink, double-sided spray tin.

Dimensions: 3.5x5cm/1.38×1.97inch

Color: As shown

Quantity: 1 Pc

Note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.

2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:

1 x Amplifier PCB Bare Board (without retail package)

SKU: 32966517471 Category:

Based on 20 reviews

5.0 overall
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  1. A***v

    The board is executed qualitatively, all the details are signed, miniature

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    A***v

  2. S***y

    Everything is very high quality. it came on time.

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    0 0

    S***y

  3. F***v

    Class thank you goods good

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    0 0

    F***v

  4. R***a

    Excellent quality, seller thanks))) threw in the mailbox. delivery to altai more than a month.

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    0 0

    R***a

  5. v***t

    Everything is fine

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    0 0

    v***t

  6. Y***v

    Очень быстро, все платы в отличном состоянии, спасибо.

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    Y***v

  7. s***s

    Thank you, everything is fine.

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    0 0

    s***s

  8. A***s

    Excellent quality, packing too. not every seller so pack more “spoilage” details.

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    0 0

    A***s

  9. AliExpress Shopper

    The boards are very good quality. thanks to the producer.

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    AliExpress Shopper

  10. s***s

    Fast enough, high-quality boards, thank you ..

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    s***s

  11. V***n

    No payment. The money must return on the dispute. The seller is not to blame. Ordered again from the same seller. I recommend to buy from this seller!

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    V***n

  12. V***i

    I got everything, the quality is excellent.

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    0 0

    V***i

  13. AliExpress Shopper

    good luck

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    AliExpress Shopper

  14. A***n

    It’s been over a month. 6 pieces. Each fee in a separate bag. Everything is ok! Thank you seller! I recommend the cheapest payment with delivery to aliexpress!)))

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    A***n

  15. A***i

    Received, in belarus came quickly, but customs-month. seller of good health and success in business!!!

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    A***i

  16. S***h

    good quality board

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    S***h

  17. V***h

    The tda 7294 amplifier board corresponds to the description! Seller recommend!

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    V***h

  18. P***V

    Great product, the quality is fantastic! fast delivery . recommend…

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    P***V

  19. A***v

    Good quality board. Delivery month in s-pb. My recommendations.

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    A***v

  20. i***v

    Joys full pants!!!! Thank you!!? Friends chinese!!! 100 stars!!!! By the way, instead of 6 pcs the seller sent 7!!!!!!?✋✋✋

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    i***v