Home › Forums › Design and Building › 2 Stroke Amplifier Design and Building › First Build – no sound / high voltages › Re: Re: First Build – no sound / high voltages

January 5, 2012 at 10:12 pm #5562
Robin
Participant

Hi Dave,
Double check all the grounds and all the solder joints. Confirm that your speaker connection is good. Check the continuities through the circuit. Post a few photos if possible. The very slight hum is from the transformer and is normal.