It will be a while before I can get to it, how about you go first and let me know how it goes ;-)
Based on what you described (hiss only), I'm not sure you need the Mornsun isolator. But here is the info:
http://www.mornsun-power.com/pdf/DCDC%20Converter/B_S-1WR2.pdf
Based on what you described (hiss only), I'm not sure you need the Mornsun isolator. But here is the info:
http://www.mornsun-power.com/pdf/DCDC%20Converter/B_S-1WR2.pdf
I would definitely risk doing it and ask order another board if this breaks... I will try and contact the youtube guy who posted the vídeo.
But I also have no osciloscope.
But I also have no osciloscope.
One thing with these boards, if you test them for power on etc with no speakers connected you will ruin the boards in a couple of seconds.
I did a quick power on test to check my wiring and dc offset before plugging them into my main speakers.
After i had everything wired up correctly, etc i tried again connected to the speakers and they just oscillated like crazy, destroyed by those few seconds.
Luckily i had bought 6 so i just swapped them out and they have been running perfectly ever since
I did a quick power on test to check my wiring and dc offset before plugging them into my main speakers.
After i had everything wired up correctly, etc i tried again connected to the speakers and they just oscillated like crazy, destroyed by those few seconds.
Luckily i had bought 6 so i just swapped them out and they have been running perfectly ever since
What may be your issue is two boards (e.g., TPA1118 chips) that are not synchronized as master and slave. Thus there switching freq. may be close, but not exact creating interference. Try powering only one amp to see is that reduces the noise.
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