Connect pulse generator from older post to your audio amplifier. Set volume to something in the middle. Connect oscilloscope to the output of the amp with dummy load.
You will not see ideal square signal in the output, but all these distortions can describe your audio amplifier.
As there are lots of images in this post and big table. So press on the link to read more about audio amp tuning…
To see osciloscope image move your mouse pointer over table cell.
| 50Hz test | |||||
| b.gif>‘)” onMouseOut=”return nd();”>When cap value is increased, the image is better. | |||||
| 2000Hz test | |||||
| ‘)” onMouseOut=”return nd();”>to small amplification in treble | |||||
| c.gif>‘)” onMouseOut=”return nd();”>very low treble amplification | ‘)” onMouseOut=”return nd();”>Bass boost | ‘)” onMouseOut=”return nd();”>small caps between amp stages | ‘)” onMouseOut=”return nd();”>treble ampification is bit higher | ‘)” onMouseOut=”return nd();”>resonance | yksilölliset pelimerkit
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