Who can fix Supratek preamp???


I looking for some lead to fix my supratek cortese . It had a loud hum after one hour of playing. I sent to the local tech guy and he could not fix it. I need schematic or someone who know how to fix the preamp. Thanks for all advices and sugestions.
winsound

Showing 1 response by thaluza

Kevin Covi co-designed the Cortese. He is located in the U.S. Try krcovi@gmail.com.