ZX Spectra clone without using ULA. Do-it-yourself construction, the instructions were published in Mikrobáz 6 and 8/1998.
About 200 units were produced in ČKD Semiconductors.
The authors' original design uses buttons from the ADT 4700 panel. In general, the components were subordinated to what the authors could "make up" in their work (VÚMS).