Using ZX Spectrum +2A/+2B/+3 power supplies,EZ-code for ZXSpectrum – gr33nonline,Sinclair (Amstrad) ZX Spectrum +2 (in the grey case) – Issue 3 | nIGHTFALL Blog / RetroComputerMania.com,ZX Spectrum +3 - Software, Hardware Help and Repair Logs - Aussie Arcade,Page 2