Hy
I'm probably silly but I'm trying to make it work.
I have a small headphone amplifier that requires +12v ground - 12v.
I have 3 power supply's without the ground connection. (just + -)
If I conect it like this, (just + -), it doesn't work. If I mess around with - on the ground for a sec, I have sound (poor sound).
Taking a separate wire to the wall outlet (ground) doesn't help.
I am afraid that I will try stupider and stupider things until I break it.
Help...(I am also a nuby, just to make things clear).
Thank you!
I'm probably silly but I'm trying to make it work.
I have a small headphone amplifier that requires +12v ground - 12v.
I have 3 power supply's without the ground connection. (just + -)
If I conect it like this, (just + -), it doesn't work. If I mess around with - on the ground for a sec, I have sound (poor sound).
Taking a separate wire to the wall outlet (ground) doesn't help.
I am afraid that I will try stupider and stupider things until I break it.
Help...(I am also a nuby, just to make things clear).
Thank you!
You need to give 12V between + and ground and 12V between ground and -
If the power supplies are the same, you can connect two. the + on one to the - on the other - call the ground. Use the remaining + and - for the other connection respectively.
If the power supplies are the same, you can connect two. the + on one to the - on the other - call the ground. Use the remaining + and - for the other connection respectively.
This is the pcb before building it.
Using 2 power supply's it starts but the sound is still bad.
Because I have different amperage, probably there is a problem.
Should I buy a power supply that also has the ground connection?