Same everything, only difference is the transformer was removed:
Before
After
Also for clarification, this is using Fredman mic method, SM57 is straight on the dustcap in both, i5 is the angled mic in both.
Here are just guitars, and then also just SM57 (which is aimed at the center of the cap so on it's own shouldn't sound too good, of course):
Stock SM57 - Solo
Modified SM57 - Solo
Stock SM57 - Guitars Only
Modified SM57 - Guitars Only
Before
After
Also for clarification, this is using Fredman mic method, SM57 is straight on the dustcap in both, i5 is the angled mic in both.
Here are just guitars, and then also just SM57 (which is aimed at the center of the cap so on it's own shouldn't sound too good, of course):
Stock SM57 - Solo
Modified SM57 - Solo
Stock SM57 - Guitars Only
Modified SM57 - Guitars Only
Although I may mod that one the same as well, who knows.