By accident I found something strange with the amp I wanted to ask you about.
When I touch my fingers to the front input RCA shields and a speakers is hooked up I hear a loud feedback noise through the speaker and the amp draws a slight amount of current.
It does not do it through the rear inputs or the pass through inputs, only the front inputs.
I did replace the RCA jacks and both IN4003's, any ideas why it would do this?
Perhaps a defective 2/4 input switch???
When I touch my fingers to the front input RCA shields and a speakers is hooked up I hear a loud feedback noise through the speaker and the amp draws a slight amount of current.
It does not do it through the rear inputs or the pass through inputs, only the front inputs.
I did replace the RCA jacks and both IN4003's, any ideas why it would do this?
Perhaps a defective 2/4 input switch???
I don't know why it wasn't distorted.
What's the resistance between the front and rear RCA shields? If it's not ~280 ohms, check R104.
What's the resistance between the front and rear RCA shields? If it's not ~280 ohms, check R104.
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