709612 STA540 Audio Amplifier Kit

STA540 Audio Amplifier Kit

This is a stereo amplifier kit designed to make use of the STA540 power amplifier IC. Once this kit is completed you have a fully functional, two-channel audio amplifier, complete with a standby switch, volume control and indicator LEDs.
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€27.28 Price
€22.36 + VAT

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This is a stereo amplifier kit designed to make use of the STA540 power amplifier IC. Once this kit is completed you have a fully functional, two-channel audio amplifier, complete with a standby switch, volume control and indicator LEDs. The kit also includes a 6400BG heatsink for the STA540 to dissipate any damaging heat.

In this kit, the STA540 is configured as a dual bridge amplifier capable of delivering up to 2x 38W (4Ω at 18V). Power supplied to the kit directly powers the STA540 and should be within 8 to 22V.

This kit comes as a bag of parts, you'll need to solder everything to the PCB. All components are through-hole, so it shouldn't be too difficult; but this kit is a bit more complex than our other through-hole kits.

Kit Includes:


  • 1x STA540 Audio Amplifier Kit PCB
  • 1x STA540 Dual/Quad Power Amplifier
  • 1x 6400BG Heatsink
  • 1x LM358 Op Amp
  • 3x LED - Basic Red
  • 1x SPDT Mini Power Switch
  • Resistors:
    • 5x 10K Ohm
    • 3x 1.0K Ohm 
    • 2x 47k Ohm
    • 2x 100k Ohm
    • 2x 10k Giant Trimpot
  • Capacitors:
    • 1x 0.1uF-50V-20%
    • 1x 100uF - 25V
    • 4x 0.47uF-25V
    • 2x 10pF - 200V - 5%
    • 3x 1uF - 50V - -20,+80%
    • 1x 1000uF/25V
  • 5x 2-Pin Screw Terminal - 3.5mm
  • 4x Nylon Round Female Standoff
  • 5x Phillips Screw with 4-40 Thread
  • 1x #4-40 Hex Nut

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