In case anyone was curious, I took this pic from their An Evening With Amon Amarth tour.
The head on top is supposedly a 5150, however based on what I could see and going by the pictures I took it’s just a 6505. The amp head on the bottom is the 6505+, and the white line is tape that has all of the amp settings written on it. Since I am the owner of a 5150, I took the liberty of writing down all his amp settings that I could see. He also used a pedal board, but as far as I know it was only used for certain parts of various songs, and nothing was ever kept on, thus meaning the tone is purely the 6505+.
The settings are as follows:
Pre: 4.5
Low: 6.1
Mid: 5.1
High: 5
Vol 2
Rhythm Resonance: 10
Rhythm Presence: 0
Lead Resonance: 7.5
Lead Presence: 6.9

The head on top is supposedly a 5150, however based on what I could see and going by the pictures I took it’s just a 6505. The amp head on the bottom is the 6505+, and the white line is tape that has all of the amp settings written on it. Since I am the owner of a 5150, I took the liberty of writing down all his amp settings that I could see. He also used a pedal board, but as far as I know it was only used for certain parts of various songs, and nothing was ever kept on, thus meaning the tone is purely the 6505+.
The settings are as follows:
Pre: 4.5
Low: 6.1
Mid: 5.1
High: 5
Vol 2
Rhythm Resonance: 10
Rhythm Presence: 0
Lead Resonance: 7.5
Lead Presence: 6.9