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HEY... ;D..Metal what's up ,, How can i stop the Humming...? ??? where and the amplifier can i ground to stop the hum.. Bye-one love ,,,i am from jamaica..

Good day...i have build your 200W audio amplifier and it work well. but when i connect it to my tape deck and touch the chassis it is humming why? I could not get 150nf or 1.8nf ,so i put in 0.15uf ceramic cap for 150nf and .0018uf for 1.8nf and it work. but why the humming please Project Link: http://www.electronics-lab.com/projects/audio/013/index.html