John Gallagher

From 0:30 onwards, John Gallagher can be seen shredding on the beastly ESP LTD V407B.

John Gallagher playing with Dying Fetus at Jaxx in Springfield, Virginia on Saturday 12 February 2011. This wasn't part of a tour but a one-off local show that I'd guess was to warm up for their upcoming European tour and he use LTD EX-400 with Emg Pickups.

He use this ESP E-II M-II and can be seen 3:06 into this video.

in a live show he uses this guitar

Behind John, through this video, a EVH 5150 III can be seen.

John is using a EVH 5150III 4x12 straight cabinet throughout this video. A time stamp where this can be seen is at 12:24.

John states here that he'd been using the VH-140C for almost 2 decades and the aforementioned amp can be seen behind him in the picture in the URL provided.

"The TightMetal Pedal is truly awesome. It replicates the sound of the Ampeg VH140C which has been my head of choice for almost 2 decades now. Compact, diverse and road-worthy makes this an ideal pedal for any guitarist playing extreme metal. Check it out!" --John Gallagher

he uses these pickups on almost every guitar