I have a Sub amp, with burned resistors. The owner mixed positive an negative , so the remote circuit was burned. Thats allready fixed. But on the preamp board are two resistors burned, and i can not recognize the value. The amp play disorted, if i connect an input from my home amp, i have strong ground noise. Also the output, if i connect a signal generator, i have strong disorted signal. Maybe somebody can give me the values?