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The kit arrived in good time. There was two resistors missing 10 ohm and 1 mega ohm. The input coupling capacitor was a 10uF polarised, changed this to a 10uF film capacitor. There was no instructions, followed the silk screen, be aware that the capacitors have more than one pair of pads to suit the foot prints. This kit needs a heatsink fitting to the lm1875 as it will over heat otherwise. Tested at +- 9 volts DC Measured clean power before clipping with a sine wave of 1khz 4 ohm load I got 5 watts of clean power at 1040mA current draw 8 ohm load I got 2.71 Watts of clean power at 540mA current draw According to the data sheet it will work on +-25 volts DC to +-30 volts DC depends on the load impedance. That will get you closer to the rated power of the lm1835
Verified purchase: Yes | Condition: New
Purchased two kits, to use for stereo. Each kit took all of 10 minutes to build. One kit had two capacitors missing, but at the price churlish to complain especially as they were standard values I had available. PCB is superb, fully annotated, so no instructions needed. PCB alone is worth the price of the kit. Performance is as expected, so again no complaints. S.
Verified purchase: Yes | Condition: New
excellent amplifier, needs good power supply for hi-fi sound!
Verified purchase: Yes | Condition: New
Nice very simple kit to assemble. Well designed.
Verified purchase: Yes | Condition: New
