Then don't bother with HFT, etc. Tiny little dots, whattre those? Instead maybe great big tube traps, sculpted to look like Roman columns, with maybe a life-size David on each side holding a shield, only the shield is a cleverly disguised acoustic panel.
Then for the amp you get one of these https://www.amazon.com/HHIP-4401-0011-Granite-Surface-Plate/dp/B01LW4167T/ref=asc_df_B01BHHXVA0/?tag... You never heard dynamics and slam until you put your amp on a solid foundation of a big ol slab of granite.
Then to complete the look you get some trick ceiling coving, only what's trick about it is you put Owens Corning 54 acoustic panel behind so its another acoustic treatment, and some intricate plaster cornice panels, which look purely decorative but in reality are diffusers. https://www.shutterstock.com/image-photo/intricate-plaster-cornice-ceiling-95775232 Bada bing, bada boom, you got a killer room!
Then for the amp you get one of these https://www.amazon.com/HHIP-4401-0011-Granite-Surface-Plate/dp/B01LW4167T/ref=asc_df_B01BHHXVA0/?tag... You never heard dynamics and slam until you put your amp on a solid foundation of a big ol slab of granite.
Then to complete the look you get some trick ceiling coving, only what's trick about it is you put Owens Corning 54 acoustic panel behind so its another acoustic treatment, and some intricate plaster cornice panels, which look purely decorative but in reality are diffusers. https://www.shutterstock.com/image-photo/intricate-plaster-cornice-ceiling-95775232 Bada bing, bada boom, you got a killer room!