TSR 1-2450 DC/DC Switching Regulator - Sinclair ZX Spectrum / ZX81 / Timex 1000

ZX81 ULA replacement for Sinclair ZX81

Sinclair ZX81 / Timex 1000 - Keyboard Membrane Replacement

wilco2009 ZX80 ZX81 Clone, v 1.2.3 Build 39, ENIG, PCB ONLY, US Seller

Zilog Z80A CPU (Z8400APS) for Sinclair ZX80, ZX81 and other retro computers

Space Raiders Psion Sinclair ZX81 Game cassette

Tandy TRS-80 Computer Tape C-20 95 ft. 26-301 Unknown Contents Untested

Timex Sinclair 1016 16K RAM Memory - Model M331-PRP - Vintage ( ZX81 & 1000 )