The Tone King is a "CPU hog" compared to other suites. If your DAW’s CPU meter is spiking, increase your buffer size (e.g., to 128 or 256 samples) or close background apps.
The story shifted when Neural DSP, usually known for high-gain metal plugins, decided to model this vintage-voiced icon. They didn't just copy the knobs; they modeled the unique Ironman II Reactive Attenuator neural dsp tone king imperial mkii crack hot