I have a Weber Mini Mass I use with my Deuce. It's only 50 watt (bought it with my last amp which was only 50) so I have to keep the deuce in 50 watt on both channels to use it. It works great when I want to provide a dummy speaker load and do silent recording with a separate DI box. I don't think I will ever play out with it just because attenuators do affect the tone. Any attenuator will IMHO. If you need/want one, I wouldn't hesitate to get a Weber and I would get the Mass so it can handle 100 watts.