TDA7293 Dual Channel+ NE5532 Preamp Amplifier Board High Quality DIY
Q-BAIHE
TDA7293 Dual Channel+ NE5532 Preamp Amplifier Board\n\nSpecification:\nOutput Power: 85W + 85W power without distortion\nOutput Impedance: 4-8 Europe\nInput voltage: 20V-28V dual AC input.\nNote: The heat sink with a negative pressure, aluminum radiator and chassis need isolation,If instal mica plate,please use a multimeter to measure IC and aluminum radiators can not be turned on. Remember.\n\nFeature:\n1.original ELNA fever supplements capacitance, low loss coupling using original PHILP senior film capacitors, filter using KINGBOX 10,000 microfarads capacitance. With 2% silver solder wire connection.\n2: The board adopts the advanced UPC1237 speaker protection circuit, make your speakers more secure.\n3: The board integrates [rectification, speaker protection, preamp, power amplifier as a whole, the installation more convenient user]\nThe board material stress, circuit design is reasonable, high signal to noise ratio, close to the speaker is difficult to hear the noise, sound:
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