Grumpy Old Geeks Products Sinclair ZX Spectrum Product Sinclair ZX Spectrum 2 mentions in 1 episode An older computer that a campaign discussed by the hosts aims to recreate. Mentions 43: The Gloves Are Off Feb 3, 2014 1:02:12 These guys are trying to recreate the Sinclair ZX Spectrum. 1:04:13 The guy who originally designed the ZX Spectrum.