I am somewhat an aficionado of the SuperD, for obvious reasons, obviously. I am also primarily a Duncan user.
There really is no Duncan similar to a Super D. It would seem that the Distortion is the obvious comparison, but it is not.
- Hotness: Distortion > SuperD
- Treble: Distortion > SuperD
- Mids: Distortion sightly > SuperD
- Bass: SuperD > Distortion
- Thickness overall: SuperD > Distortion
- Tightness overall: Distortion > SuperD
- Iron Maiden: SuperD > Distortion
- Judas Priest: Distortion > SuperD
- Cleans: Neither is epic, both are better than you you would think, Distortion is Sterile/Cold, SuperD is Gritty/Hairy
Both Rock balls-to-the-wall. Get a Super D. Everyone needs one.
The Invader is maybe the closest "kind" thing to a SuperD, but it isn't actually close.