As you said, the scale and presence of these were amazing.,.
GT Audio Works at Capital AudioFest 2019
https://www.stereophile.com/content/gt-audioworks-loudspeakers-pass-laboratories-eletronics-basis-audio-turntable-and-tonearm#WeXzffJV9YuZyoFE.99
https://parttimeaudiophile.com/2019/11/06/gt-audio-works-showstopping-sound-along-with-basis-my-sonic-lab-pass-labs-esoteric-innuos-triode-wire-labs-caf-2019/
https://parttimeaudiophile.com/2019/11/06/gt-audio-works-showstopping-sound-along-with-basis-my-sonic-lab-pass-labs-esoteric-innuos-triode-wire-labs-caf-2019/