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An externally hosted image should be here but it was not working when we last tested it.
British Edison PL84 superior sense of hearing.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
An externally hosted image should be here but it was not working when we last tested it.
First test is the level hum of the machine. Amateur environmental manufacturing, has 0.7mv hum. From the size point of view, it is not very good, from the frequency analysis, the hum from the power supply filtering. 350uf electrolytic capacitor two, there is no power filter choke hum 0.7mV100Hz bring to final output, from a practical point of view, this is already small enough. 93db sensitivity JBL4425 ear does not hear.
10v output distortion when what is it? 10v output power 12.5w
In this case, second harmonic distortion of about 0.4%, about 0.2% third harmonic distortion
In this case, second harmonic distortion of about 0.4%, about 0.2% third harmonic distortion
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Started the first hole. You can use the cutting method, cutting down the aluminum block is not large, anyway, cnc machining, simply are hollowing out.
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The first hole machining is completed. It takes approximately 4-5 minutes. Everything is in accordance with a pre-set program automatically. The whole process takes approximately 4-5 hours. Until this side completely finished processing.
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