ZX Spectrum Hardware Description Share: Download MP3 Similar Tracks 48K ZX Spectrum Repair (No. 5) JoulesperCoulomb 48K ZX Spectrum Repair (No. 1) JoulesperCoulomb ZX Spectrum build, No ULA. DrMattRegan Ben Heck's ZX Spectrum Mod Part 1 element14 presents Z80 Assembly Language for the ZX Spectrum Tutorial, Episode 1: The Basics The Retro Desk ZX81 Video Conditioning JoulesperCoulomb ZX Spectrum +2 Repair (No. 4). Plus a look at methods of improving picture quality. JoulesperCoulomb 48K ZX Spectrum Repair (No. 2) JoulesperCoulomb Sinclair ZX Spectrum Tune Up! Noel's Retro Lab ZX Spectrum (48K & 16K) Initial Tests JoulesperCoulomb Fixing Bad Video Quality on the Sinclair ZX Spectrum Noel's Retro Lab ZX Spectrum Part 2: Troubleshooting and fixing the ZX Spectrum Adrian's Digital Basement Scullcom Hobby Electronics #51 - Build a Sinclair ZX80 Clone Scullcom Hobby Electronics ZX Spectrum Composite Video Mod Noel's Retro Lab Sinclair ZX Spectrum Story - Birth of a Classic | Nostalgia Nerd Nostalgia Nerd ZX Spectrum 48K - How to replace the ROM with an EPROM IanScottJohnston A new ZX Spectrum is coming (time to learn Z80 machine code!) Darryl Sloan ZX Spectrum Issue 2 Repair and Restoration Jan Beta Replacing Electrolytic Capacitors in a ZX Spectrum JoulesperCoulomb Z80 assembly language tutorial, part 2: text and graphics (ZX Spectrum) Darryl Sloan