Jonny Greenwood

For heavy distortion, Jonny used a Fender Eight-Five, notably on "Creep". He later obtained a Fender Studio 85 in mid-March 2008 as a spare for the regular Eighty-Five, though it has yet to see any public use. It is also very unlikely to have seen later studio use, as Jonny hardly ever uses it anymore save to perform older songs. (Cf. The King of Gear)

Melody Maker, February 5, 1994, "Paul Kolderie and Sean Slade: How To Record Rock Guitar" by Tom Doyle

For the Radiohead sessions, Paul and Sean used three core amps — a Marshall stack, a Vox AC30 and a small Fender 85, which surprisingly was responsible for the 'Creep' sound.

The King of Gear, 2012 post

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A nice shot of Jonny’s Fender Eighty-Five. Note that it is clearly not a Deluxe or Studio Eighty-Five. In addition, it can be seen that Jonny *does not*use the amp’s overdrive channel or reverb by that the knobs are all set at zero.

Jonny’s first AC30 was a 90’s re-issue AC306TB, which he acquired circa 1997. He has also used a few other AC30’s throughout his career, includng a Dave Petersen Special AC30. He uses Celestion Alnico Blue speakers for all of his Vox’s. With Radiohead, Jonny’s AC30s were mic’d with a Shure SM57 for quite some time. Circa 2008, he switched to an Audio-Technica AT3060. He has used other mic’s for his solo performances. Jonny keeps a direct box on top of his AC30. This is likely used simply to send the signal from his amp mics to the PA. thekingofgear.com

A Fender Facebook post talks about Jonny Greenwood using multiple Fender '65 Twin Reverb amps when playing with the London Contemporary Orchestra. The post reads: "When Jonny Greenwood joined the London Contemporary Orchestra on July 28, 2014, the Radiohead guitarist used 12 Fender '65 Twin Reverb amps, sending live guitar loops to individual amps for a true surround-sound experience! #thisisthesound" (post from September 2014)

Used by Jonny for his 2013 performance of Electric Counterpoint at the Open’er Festival. He used the vibrato channel. Seems like a late 60’s - early 70’s silverface model, based on the model label. thekingofgear.com

According to The King of Gear, Jonny used a Cube 30X at his 2012 Steve Reich’s Electric Counterpoint.

In this photo, Greenwood is seen playing Ashdown ABM 300 EVO I.

Visible behind Jonny at the 2:22 mark of this performance of The Smile at Primavera Sound 2022 in Barcelona.

Thom and Jonny shared a pair of small combo amps, using a Fender ‘68 Custom Reissue Deluxe Reverb for guitars and an Ampeg RB-110 combo for bass. Both amps belong to Tiny Desk

Jonny Greenwood was documented using the Ashdown Engineering Ashdown ABM C210T-500 EVO II Combo 2X10 with his Gretsch guitar at Halswell House in October/November 2006, during the recording sessions for Radiohead's album "In Rainbows." This is evidenced by an image available on Equipboard.

A photo of Jonny Greenwood performing at the Ko Shan Theatre in Hong Kong on June 12, 1994, clearly shows a Roland JC-120 Jazz Chorus resting on a flight case, with Jonny's Eighty-Five tilted back on a shorter flight case in front of it, confirming his use of this specific amplifier.

A photograph from Jonny Greenwood's 2012 tour clearly shows the Ashdown Engineering USA 115 Cabinet among his equipment, along with part of the back of his second Vox AC30.