Hi all, I'm playing a Fender Rumble 100 in South Florida Senior Big Bands. Much Fun! My 66 year old back appreciates it's portability (22 lbs). Lately, I'm not 100 % satisfied with the tone/clearity I'm getting. It's plenty punchy...but having tried all settings...it is a bit muddy. The other quality amp out there that is the right weight seems to be the GK MB112 at twice the wattage and 30 lbs. I don't see any side by side comparisons anywhere. Can someone give me their findings....having played both side-by-side? Thanks!!