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Lusya LM1876 Digital Amplifier Audio Board dual channel 60W Amplifier Board for 4-8 ohm speaker
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- for 3 month
- for half a year
- Requires Alitools extension
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Customer Reviews
Shipping was fast, kit is full. Parts are with good quality, diode bridge is 25A/1000v, filter caps are 7000mF, 0.01 ESR. Only input caps are fake Nichicon, one 12mF, other 15mF with high ESR, changed them with 0.64mF film caps. At 2x15V~ (2x19.5V= after the diode bridge) the amp gave pure sine at 26.7Vpp with 5.2 Ohm load, this is 34W per channel. Sound is great, bass is deep, treble is clear. Speaker protection works as described.
Tested with 100W 10 inch 3-way speakers, sound is great. Max input level must be 1.2-1.3Vpp, after that amp goes in clipping. After an hour at full power IC temp is under 50 deg C with my heatsink, moded to fit in small Denon case. Great kit for small amp and soldering learning (my 10 years old son did all soldering work). Power is just enough for a large room, better with 4 ot 6 ohm speakers.
Thanks for amplifier kit. Is at home. I'm not constructed this kit, but measuring capacitors. 6800uF is 7,1m..it is super. I will work on this kit and after I send information. Very good package, seller good, kit good, PCB good. Five stars