2шт. Новый MX40 50W 8R Двухканальный Стерео HiFi Аудиоусилитель Готовая Сборка Платы Усилителя Мощности "Amplificador on".

2шт. Новый MX40 50W 8R Двухканальный Стерео HiFi Аудиоусилитель Готовая Сборка Платы Усилителя Мощности "Amplificador on".

Ordering guide:

Transistor down: The power tube is under the PCB, as shown in the figure; Transistor up: The power tube is on the PCB (transistor can stand upright).

2PCS New MX40 50W 8R Stereo HiFi Audio Power Amplifier Assembled Board

MX40 power amplifier board designed by LJM MX40 stereo finished board. Two board Power supply voltage range DC Min>= + -12V. DC Max<= + -35V The voltage of the transformer cannot exceed AC24-0-24V Power output: 50W 8R. 100W 4R. Distortion thd <0.02% 20w 8r 20hz-20khz S/N ratio> 99DB gain =34 Input sensitivity 1V. Output power 50W 8R PCB size: 51*51 MM does not include the size of the power tube. Briefly talk about wiring: The power supply is three lines VCC+ GND VEE- The voltage cannot exceed + -34V It is recommended to be within 30V. Direct current The blue socket is the INPUT input signal +- OUT + is the positive pole of the speaker

The speaker negative is connected to the GND of the power board The three tubes on the board include two high-power tubes and one medium-power tube. They must all be installed on the same radiator for temperature compensation.

MX40 is a MINI power amplifier with a good charm. It can replace the same type of LM3886 series power amplifier. And it has better results. The finished board includes insulating sheets. 20K square wave test:

No-load noise value <20mv S/N ratio> 99 DB Audio Precision 2 test Distortion plus noise value: THD+N= 0.001-0.004% 20HZ- 20K HZ 10W RMS Measure AUDIO PRECISION 2 SYS

Frequency response = 20HZ -0.05DB 10 HZ -0.15DB 20K HZ -0.06DB

FFT distortion distribution diagram reference: actual measurement: input signal value 225MV RMS, 315 MV P value