trungdtmc's latest activity

Looks like I have to add PFFB to this amplifier :D

Here is a review and measurements of the recent Topping D50 III DAC The D50 III is a small DAC. From above, it looks like a square of...

This spreadsheet may be useful to you...

https://www.kickstarter.com/projects/fosiaudio/fosi-audio-v3-mono-power-amplifier/ Rated power depends on the load impedance and power...

they are the manufacturers of these power supplies

Hi Dan

I bought both directly from taobao, which is the original supplier and has all the specifications. Aliexpress stores are mostly...

I have measured between a PFC LLC power supply and a non-PFC LLC on A07 max, and the result is that the power supply with PFC is...

Your measurement results show a lot of noise, including main noise and its harmonics. While H2 and H3 are not too high

OK, Guys! There seems to be an issue with measurements of board itself. It seems that measurements are valid only for entire system RPI...

I also measured with the smallest PCM5102A board on the market, the input signal is from Amanero directly and the other is amanero via...

Chinese LLC SMPS, much cleaner than MW LRS350

i just test with AYIMA 48V5A and get same result

my measurement,with lrs350 48v (7,2A) power supply, btl mode, 4Ohm load. Quite different amirm’s result