Electronics > Beginners
Transistor Amplifier GETS TO FRICKING HOT!
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XMA:
Hi so in the pic is my circuit, I am using BC547 Transistor + 1k ohm resistor and a 9v 300ma power adapter. the problem is that the transistor is getting way-way to hot, I burn my fingers. and so my question is why is that happening. I've done tests with a 9v battery. and so they are

9v battery = %50 amplifaction + distortion + slight warm
9vdc 300ma power adapter = %100 amplifacation + no distortion + super hot!
BradC:
Pic?
grifftech:
use a different transistor (TO-220)
free_electron:
this is NOT how you make an amplifier ..
Mechatrommer:
that is a good way to burn your transistor or your speaker ..
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