L50 500W 8Ohm Full Bridge Mono HIFI DIY Amplifier Board
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Product details:
L50 Professional version Amplifiers, Preamplifier and power amplifier integrated AMP, Integrated speaker DC protection. The only support mono 500--1000W 8ohm full bridge amplifier,Maximum output voltage ±100V sine wave. It uses the full bridge output structure, Also known as the balance or bridging BTL output structure. With real 500W 8 ohm output power. So it can work in 1000W 4 ohm. Of course, this requires that each channel 3KG or more weight heat sink and 1200VA above AC 36-0-36 transformers. L50 uses 4 pairs IR company production IRFP140N, IRFP9140N. IRFP140N parameters: output current of 33A, Resistance 0.052 ohm, 140W IRFP9140N parameters: output current of 23A, Resistance 0.117 ohms, 140W. Output Power: 500W 8R, 1000W 4R mono, supply voltage ±50V DC, plus AC12-0-12. 400W 8R, 800W 4R mono, supply voltage ±45V DC, plus AC12-0-12. 300W 8R, 600W 4R mono, supply voltage ±38V DC, plus AC12-0-12.
Product parameters
Size: 286mm*50mm*27mm (L*W*H)
Voltage gain: 200
Input sensitivity: 0.5V, output of ± 100V.
Noise level: <25mV
Distortion: <0.02% 1kHz, 500w, 8 ohm.
Power amplifier efficiency:> 60% efficiency of more than 10% of the half-bridge amplifier.


