Tom Morello

In a MusicRadar article, Tom Morello talks about how he ended up getting a Marshall JCM800 2205 50-watt head, which he uses in conjunction with a Peavey cabinet.

After his gear got stolen out of his van, he headed to Nadine's Music store, and ended up buying the Marshall head and Peavey cab simply because he needed them in a pinch to record a demo, and they didn't have much other selection at the time.

Morello also mentions that he found a knob combination on his amp that simply works, which he has used for quite some time. The original article can be found here.

At 3:08 in the YouTube video, Raga Against the Machine guitarist Tom Morello explains, that he used this Marshall Lead 20 Model 5002 20 watts Combo Amplifier to write and record the song "Tire Me", which would go on to win the first-ever Grammy Award in the category of Best Metal Performance for the band at the 39th Annual Awards in 1997.

In this video he mentions that he uses a peavey 4x12

In this Instagram photo posted by Tom Morello, his backstage practice setup can be seen, which consists of a D'Angelico guitar and Orange Crush 12 combo amp. The amp can be identified by its 6 black knobs, with an input jack on the right of them and a headphones output on the left of them. Also, the black lines on the body of the amp give it away as the Crush12 model. Morello says:

"From small things big things one day come. Warming up backstage in Massachusetts. @prophetsofrage"

In a Premier Guitar Rig Rundown video, Tom Morello discusses his use of the Marshall 1960B 4x12'' Cabinet around the 19-minute mark.

In the video "A Tour of Tom Morello's Guitars & Home Studio" by Musician's Friend, Tom Morello is seen using the Gallien-Krueger Fusion 550 Hybrid Bass Head at the 0:20 mark.

He has this amp & the Pickle Fuzz pedal on top in this picture

In the YouTube video "A Tour of Tom Morello's Guitars & Home Studio" by Musician's Friend, Tom Morello's Warwick X-Treme 10.1 bass amplifier head is visible in his studio, positioned between two Fusion 550 amplifiers.

In the YouTube video "A Tour of Tom Morello's Guitars & Home Studio" by Musician's Friend, Tom Morello's Gallien Krueger MB 115 bass combo amplifier is shown as part of his studio setup.

Tom Morello used the Line 6 Flextone Plus 2x12" Combo Amplifier exclusively in the studio, as noted by Angelfire.

According to Guitar Lobby, Tom used Vox AC30..