When someone claims to have captured "vintage transformer saturation" using IRs, then skip their offer. IRs can not capture saturation / non-linear characteristics.

 

Some pretty cool real spaces (including a submarine) captured by the good people of Kent University.

Article about the IRs: https://www.pro-tools-expert.com/pr...xcellent-for-sound-design-and-post-production

Direct link: https://research.kent.ac.uk/sonic-palimpsest/impulse-responses/

 

East German Reverb Chamber. This was used as an experimental space for acoustic measurements by an East German research institution. Great for natural room reverbation.

Direct link: https://app.filepass.com/s/d3QpDOgz6KrKOwLY/p/East German Super Verb (at Eve Audio)

Kohle Audio Kult Discord (with some additional freebies, mostly geared towards Metal): https://discord.com/invite/DQFpf75MY6