Which capacitor?

[Mukhalled]

Hi
What kind of capacitors ( at the inputs 2&19 and 6&15 ) have to be used in this circuit:
http://www.electronics-lab.com/projects/audio/039/index.html
Are there for eg. ceramic, tantal ...?? ???

Help please ;D

 

[Lou1]

These would typically be plastic types: mylar (polyester), polycarbonates.
Lou

 

[Mukhalled]

thanks