One Pair MX50X2 DIY KITS/Finished Board Power Amplifier Board
Installation Notes:
● The high-power transistor shall be insulated from the radiator, and the insulating sheet shall be installed.
● If you purchase DIY KITS, you need some welding foundation. Please pay attention when purchasing.
Parameters:
● Supply voltage:+/- 15V to+/- 50V
● Output power: 100W 8R (+- 42V)
● Voltage gain GAIN: 34 times
● Input sensitivity: 1.2V 100W RMS 8 Ω
● Signal-to-noise ratio: greater than 98DB
● Distortion:<0.02 THD 1K HZ 10W
● The static current IQ of the output stage is approximately equal to 30MA per channel
● PCB size 96 X 51 MM
● Weight: 200g(2 Boars）
Features:
● The original audio SC5200 high-power pair is used.
● And metallized polypropylene capacitor for MKP audio.
● Low noise audio signal transistor BC546B and BC556B are used.
● And audio special drive transistor KTB1369 KTD2061 as the pre-drive.
● Four 2SD718 original power transistor channel are used as current output ttransistor.
● Can output 100W power at 8 Ω load (+- 42V DC voltage)
Strictly measured by LJM, the effect is completely retained.
● Output power 50 Watts RMS into 8W
● 100 Watts RMS into 4W
● THD < 0.04% 20Hz-20kHz unweighted
● < 0.01% 20Hz-20kHz 'A' weighted
● < 0.008% 20Hz-20kHz @ 1W unweighte
● Frequency response + 0.2dB 20Hz-20kHz
● S/N ratio greater than 102dB unweighted
● greater than 114dB 'A' weighted
● Power consumption 120W
Effect diagram of installing the heatsink.
Note: The prices of the kit and finished board do not include radiators. Radiators need to be purchased separately.
Test equipment: TEK oscilloscope AND AUDIO PRECISION SYS TWO.
