ZX Spectrum

From the Spectrum 128K+ onwards all Spectrums were capable of generating RGB output via the “monitor” socket. This makes connecting them to modern televisions extremely easy. Unfortunately the earlier models only possessed a RF output. This produces the worst possible output and increasingly few displays can demodulate analogue television signals. Luckily the design of the Spectrum makes it very easy to convert the RF output in to a simple composite out.

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