Sinclair ZX Spectrum 48K Raspberry Pi Case retropicases 5 out of 5 stars (66) 37.98. Add to Favorites Retro Phone Case, Colourful Device Cover - Spectrum.ZX Spectrum Superfo Harlequin Rev G PCB - 1.6mm FR4 ENIG - Spectrum Clone Board DCSElectronics . The above information is correct for the 48K ZX Spectrum - for the 128k2 models the contention sequence starts at. A rare case for the classic 48 Zx Spectrum, microdrive and printer. Spectrum 1648K Family. The original line produced by Sinclair. Spectrum 128Grey 2. First produced for Investronica of Spain, later released in UK. The grey 2 was Amstrads first machine and was heavily derived from the 128 architecture. Spectrum 2A3. Cost reduced versions of the 128 architecture with some incompatibilities. A rare case for the classic 48 Zx Spectrum, microdrive and printer. Stuarts first computer, a ZX Spectrum, has a special place in his heart, so a Raspberry Pi project based around one seemed ideal. Theyre still great machines he says of the beloved computer which celebrates its 40th birthday this April. Stuart loves repairing and running real hardware as well as emulations and thought it would.