Go to: www dot vintage amp repair dot net, and email Jon Soderberg. He's the Threshold/Forte man
I have a Threshold T3i, which basically has the same six input selecter as the Model 44. The H1 and H2 inputs on the T3i are standard line level inputs... Your Forte is most likely the same
I have a Threshold T3i, which basically has the same six input selecter as the Model 44. The H1 and H2 inputs on the T3i are standard line level inputs... Your Forte is most likely the same