Hello, Now I'm trying to amplify an AUX-Signal with a 12V DC supply voltage. I tried die setup from Here's here as u can see in the sketch below.

But all I get is just an annoying noise sounding horrible.
For the amplifier I used both the CA3240EZ from
http://www.kynix.com/Detail/712544/CA3240EZ.html and the OPA134PA from
http://www.mouser.hk/.
Maybe my grounds are not connected correctly.
It would be awesome, if anyone could help me out.
1:
According to your hints, I tried now those variations of power supply bypass capacitors


2:
The voltage is pretty stable at 12,18V as far as I can measure it with my voltmeter.
I changed now the 22kΩ into a 2,2kΩ resistance, so the gain should be 1.
As i decrease my volume the noise also decreases. And if I have volume = 0, one cannot here anything out of the subwoofer.
I still get this annoying sound.
3:
I get the via an normal chinch cable going into the receiver of a LG HT44S (
http://www.amazon.de/LG-HT44S-Heimkinos ... B003BYQ74A). From there i use the subwoofer output with the orange and black cable as you can see here: i.imgur(dot)com/Aw0hmfr.jpg Then this black and white cables go into my breadboard in here:
attachment 1
Other View of the breadboard here:
attachment 2
And afterwards the outputs goes to the subwoofer in here:
attachment3 &4
I put AUX IN normally to my receiver and set the volume to 0. then inverted, non inverted and output are ALL at 6,1V to ground.
Regards,