Studio Projects B3 Custom vs Studio Projects B3 Stock vs Neumann TLM103 vs Shure KSM32

All audio is LUFS level matched.
The modifications are electrical and mechanical.
mechanical: the capsule mount is made softer
electrical: all electrolytic- got a Wima-film-capacitor in parallel, input capacitors got a Wima-film-type in parallel, the output capacitors (electrolytic) get two film-types 100nF and 10nF in parallel.
0:00 SP B3 Custom - Cardioid
0:34 SP B3 Stock - Cardioid
1:08 Neumann TLM103
1:39 SP B3 Custom - Cardioid
2:11 Shure KSM32
2:43 SP B3 Custom - Omni
3:15 SP B3 Stock - Omni
3:48 SP B3 Custom - Figure of 8
4:20 SP B3 Stock - Figure of 8
4:58 Resonances