Ok, here you go... I hunted around my disk and while current sessions are all at work (and I'm on summer break), I found an older version (or some of it). This is not a fancy demo, but here are some files of this activity I found from the last time I ran it (others do it now).
https://drive.google.com/drive/folders/15VFC-ZjxxNhw9XIsE1YgMKaf7lN62AIL?usp=sharing
It is an excerpt from a sting qt. recording, there are multiple mics and recording techniques on the session, they are:
- Coles 4038 ribbons (fig-8) in Blumlein config, 4-5-ish metres in front of the group.
- DPA 4060 omnis in AB, 300mm wide, same distance from the band.
- Studio Projects C4 omni, AB, 500-600mm wide, same distance.
- Rode M5 cardioid XY, same distance from the band.
- Neumann KM184s close on the instruments, about 0.5m-1m away, panned in the session.
No processing is done at all apart from level matching (might be a bit out in this section). 24/96 session.
The interest is in listening to the different sound of the mics and different stereo image presented by the different techniques.
It's easy to hear the bass rolloff of the velocity mics (directional: XY, Blumlein), and the better bass from the omni's. There is some proximity effect on the cardioid close mics. You can sum them to mono to hear the comb filtering in the spaced (AB) techniques, and hear a bit of stereo image difference (exaggeration) in the wider AB set. The close mics give the typical sound of such a technique, not very good on this music, but more appropriate on a pop selection.
Have a listen and enjoy! Not sure how long these will remain up, so grab a copy if you want it. This should illustrate Blumlein 88's idea at the end of the original post, and I hope you enjoy the recordings.
Edit: I will look around for the other tracks with other mics and stereo arrangements, I might find them, but they probably won't show as much difference as these do.