In this diagram, it shows Adam using a Dual Rec as part of his guitar rig.
Submission Rating: Correct
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It's just a cartoon. We need a photo of him using it somewhere.
Changed Quality Rating to: Correct
I know this is true because Adam even said in some articles he used the dual rectifier during Ænima but switched it out with the diezel when he was recording lateralus. You can see him using it in live videos in like 95-97.