In today's video I explore the Ultimate original ZX Spectrum. Or my own choice ultimate ZX Spectrum. I repair the power circuit on these machines and then perform some essential modifications to correct some factory mistakes that Sinclair made on these computers in 1986.

Adam Wilsons blog: https://retrorepairsandrefurbs.com/2021/07/07/sinclair-zx-spectrum-128k2-grey-restoration/

Spectrum for Everyone: https://spectrumforeveryone.com/technical/removing-blueyellow-ghosting-1282s-video-output/

Retro Computer Shack: https://www.retrocomputershack.com/RCS-Website/Tech-Info-Home-Page/index.html

Retrohax: https://retrohax.net/zx-spectrum-128k-2-repairs/

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