Modded Marshall 1959 SLP

This is a Marshall 1959 Super Lead from 1975.
Mods :
Clean channel : this is the original 1959 SLP sound
Overdrive channel : Dookie gain mod.
Both channels are switchable with a footswitch.
Footswitchable solo boost (volume is adjustable).
Also : effects loop, resonance control and bright switch.
Video is recorded with amp at low to moderate volume levels.
At 2:00 minutes it's a bit louder and fuller sounding...