Geoff Nicholls

As seen using a Korg T2.

As seen with his Korg DW-8000.

As seen using a Korg Karma and Triton Extreme.

Nicholls used a Steinberger L2 when briefly filling the vacant bassist role in Black Sabbath, rather than his usual role as a keyboardist.

As seen using a Korg Karma and Triton Extreme.

Geoff Nicholls is associated with the Korg VC-10 Vocoder, as reported by Hennemusic.

Seen 0:05s in this performance of Black Sabbath's "Headless Cross" song.

Seen 0:05s in this performance of Black Sabbath's "Headless Cross" song.

As seen being used live in Tony Martin’s band.

Geoff Nicholls is seen using a Roland D-50, as evidenced by a photograph.

Geoff Nicholls is confirmed to use a Korg 01/W FD, as evidenced by a photograph showing him with the instrument.

According to Peavey Monitor magazine (Volume 19, Issue 1, Page 9), Geoff Nicholls used an E-mu Vintage Keys rack, which was located under his Peavey Versamix rack.

According to Peavey Monitor magazine, Volume 19, Issue 1, Page 9, Geoff Nicholls used a Peavey DPM V3, which was positioned beneath his E-Mu Vintage Keys rack.

In Peavey Monitor magazine, Volume 19, Issue 1, Page 9, it is documented that Geoff Nicholls used two Peavey DPM SP racks positioned beneath his Peavey DPM V3 rack.

According to Peavey Monitor magazine, Volume 19, Issue 1, Page 9, Geoff Nicholls had an Akai CD3000XL sampler in his rack case, positioned above his Peavey Versamix mixing console.

According to Peavey Monitor magazine, Volume 19, Issue 1, Page 9, Geoff Nicholls used a Peavey Tube Fex, which was located at the bottom of his rack case.

At the 9-second mark in the video titled "QUARTZ - Can't Say No - Look Hear 1979" on YouTube, Geoff Nicholls is visibly using a Korg MiniKorg-700 during a live performance with the band Quartz. This video was uploaded by the user tomnook111.

Geoff Nicholls is confirmed to have used a Mellotron M400, as evidenced by a photo available on Equipboard.