Seligman played a black Fender Jazz bass as his first choice instrument. In addition he used an Ibanez with a C-ducer contact mic built into the back of the neck, close to the neck/body junction, for his fretless work primarily with Thomas Dolby, but also Peter Murphy and in the ambient collection "Sendai", recorded with Japan/Hong Kong-based musician Jan Linton for the March 2011 Tōhoku earthquake relief fund, and released by Entropy Records in 2012, and re-released in 2020 with extra material after Seligman's death.