So , I have a 93 Modulus Quantum and it is doing something odd. I every bass I have ever owned the volume control is gradual up or down. Sounds pretty logical. On this one as soon as I turn the knob like like 10 degrees the volume is non-existant. I am not sure if it is the pot going bad or what, but I have a show on Friday and do not have the time to get it replaced. Is there something I can do to test it out to determine the exact problem? Oh, I just replaced the battery and am still having the same problem. Thanks and much appreciation.