The SAM Coupé’s RF output is a shimmering mess. I fit a SAM HDMI unit, track down a no-signal fault and compare RF and HDMI side by side.
After the fire, Ben Versteeg of ByteDelight sent a box of Spectrum goodies: a 128K toastrack, ZX-HD, DivMMC EnJOY Pro, ZX Diag and a Harlequin 128 kit.
Building and road testing the ByteDelight ZX-HD plug-in HDMI interface for the ZX Spectrum, with an RGB SCART comparison and an honest verdict.