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  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
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  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel

Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel

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LK140 circuit HIFI DIY stereo amplifier board
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  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
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  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Refer to LK140 circuit 150W+150W HIFI DIY stereo amplifier board 3 TDA7293 in parallel
  • Description

Product Details:

Referring to the LK140 power amplifier circuit design, the power amplifier board adopts 3 TDA7293 parallel outputs per channel, greatly increasing its power and control power. The power per channel can reach over 150W.

1. Each channel uses 3 TDA7293 chips in parallel output, with strong power.

2. Original WIMA capacitors from Germany NOVER capacitor 10000 * 4 uf.

3. With Midpoint protection circuit.

4. Silver plated contact Omron relay Multiple protections such as output protection, midpoint protection, output delay protection, etc.

Parameters:

Output power: 150W+150W 
Input impedance: 100K 
Output impedance: 4-8 ohms 
Signal to noise ratio: 100db 
Input voltage: Dual AC22-30 (recommended for transformers above 200W)
Size:180*137*42mm 
Weight:0.35kg

Package list:


1 × LK140 circuit  amplifier board  

Attention: TDA7293 requires the installation of a heat sink before use (preferably 1kg or more). Insulation treatment should be done between the heat sink and TDA7293, as Foshan may burn out the power amplifier board.

 

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