I have been trying unsuccessfully to work a volume pedal into my setup and would appreciate any advice. My goal is to have a wider dynamic range, to be able to have little to no amp sound in order to blend with a small unamplified string section or soft instruments like bamboo flute, especially when I'm playing arco, or to bring in the amp when the drummer gets going. I have a Realist on my Martin shop bass and an AI Coda. I've tried a couple of Boss volume pedals (the big all-metal one and the small blue & grey one: sorry, no model numbers handy). I don't know if it's the pedal, the extra cable, or what, but putting the pedal between the bass & amp seriously weakens my sound. Putting it in the effects loop is a bit better, but not great. Do I need a preamp or a powered pedal? Is anyone getting good results with a volume pedal? Thanks for your help!