PRS MT-15 amp into two diy TL806 with EVM-12L &
PRS MT-15 amp into Marshall JVM-C212 with Celestion G12Heritage and G12Vintage

no alterations, 0sec Thieles, 38s Marshall, 1m54s Thieles again:

Normalized Gain (Adobe Premiere Elements), 0sec Thieles, 38s Marshall, 1m54s Thieles again: