Guitar Pedal X - GPX Blog - Aura Amps Diamond High Gain Distortion is about the most authentic Dual Rectifier in pedal format you can get - with 3 flavours of Rectification onboard
Guitar Pedal X - GPX Blog - Westminster Effects' 2716 Seth Morrison Signature Distortion Pedal is a really capable reproduction of his mainstay Mesa Boogie Dual Rectifier Revision F Amp
USA Mesa Boogie Dual Rectifier Road King II all tube guitar amp head w/ footswitch - Capitol Guitars