ADT2 is a universal binary AU plugin to do Automatic Double Tracking- aka fixed flanging/chorusing, as used by the Beatles. Two independent delay taps for normal or inverted ADT, code from Console gives you analog-like richness and tone. ADT2 is $49.99.

As you probably know, ADT is simply a single delay tap, very quick. What makes my ADT special is several things- one, you have two taps to play with independently. Two, you can add them either in-phase or inverted- which means you can do that David Bowie 'Young Americans' vocal tone, originally done with two mics and one of them out of phase, but in a plugin after the fact. And three, the delay time is interpolated- you're not stuck with discrete samples, and that means you can adjust the timing more finely, dialing in just the right cancellation or reinforcement at a certain frequency. You can't really have ADT without having that, as the real ADT is analog and doesn't get quantized to particular samples. Neither does mine!

But most importantly, the new version of this plugin uses the technology found in Console to produce a huge depth and space to the effect which you won't get with a straight-up digital delay! And it's self-contained so you can use it in any sort of mix you like, not just one with Airwindows summing. You can try the demo for a quick listen to how this plugin sounds, and compare it to a regular DAW slapback. The 'Headroom' control lets you saturate the effect for more intensity, or clean it up. Try the demo of this to see if it'll work for you! You're not allowed to use the demo for actual work. It politely mutes itself briefly every couple minutes, and that's the only thing it does to spite you. It won't expire or do anything to you, and when you get the actual plugin, throw away the demo and put the real version in its place and most software should replace saved instances of the demo with the real thing seamlessly, retaining any settings. Please support my cooperative, unhostile demos with sales of the real software.