i getting strange sounds out of the mini amp that i put together
from kit. the resistors where lying lose in the kit, i may have
mixed them up, and i used soldering paste, i later read that i
shouldn’t. could that be the problem. i’m using a 9 volt battery
and a 10 watt speaker, for making a caller
This information does not allow us to be of assistance.
Check resistor values.
Clean solder side of PCB with suitable solvent.
Check for bad/forgotton/shorted/intermittend solderings
Check connection of the kit.
A 9V battery is not a suitable power source for this kit. It does supply 9V, but it is not capable of supplying the required current. Use e.g. AA,C or D-cells instead.
If necessary, have a friend take a look at your circuit.
all connections are ok,how do i check resistor values what do i
test for,i don’t have a clue.i don’t have any friends that know
anything about boards. can the resistors be mixed up or polarity
just going through all the possibilitys. thanks for the help.