Timex Sinclair 1000
The American licensed version of the ZX81 (Timex-Sinclair): a Zilog Z80A, 2 KB RAM, monochrome block graphics and no sound. Timex-Sinclair’s first home computer, priced at $99.95.
European and Ukrainian machines built “after” the Spectrum. Cleanly-licensed photos are scarce — some machines are still looking for their photo.
Draft: the museum verifies the list and attribution of clones against its inventory before publishing. Years and origins may be refined.
The American licensed version of the ZX81 (Timex-Sinclair): a Zilog Z80A, 2 KB RAM, monochrome block graphics and no sound. Timex-Sinclair’s first home computer, priced at $99.95.
A licensed Spectrum variant built by Timex Portugal for Europe: a Zilog Z80A at 3.5 MHz, 48 KB RAM, extended video modes and additional ports.
A Romanian home Spectrum clone: a Z80A at 3.5 MHz (or the local MMN80CPU) and 64 KB RAM. Made by ICE Felix, Bucharest; used in education and by hobbyists.
A Polish Spectrum-compatible computer for schools: a Z80 (U880) at 3.5 MHz, 64 KB RAM and classroom-network support. Made by Mera-Elwro, Wrocław.
A Spanish ZX Spectrum+ clone with a redesigned board: a Z80 processor, 64 KB RAM (48 KB for the user) and a built-in Kempston joystick interface. Made by Investrónica.
A Czechoslovak ZX Spectrum clone: a Zilog Z80 processor and 80 KB of RAM in two 32 KB banks. Made in Skalica.
A Romanian Z80 clone with 48 KB RAM (expandable to 80 KB); its name comes from “COmputer BRAșov”. It could run as a ZX Spectrum or under CP/M. Designed in 1986 at ITCI in Brașov; students widely built their own copies.
A Ukrainian Spectrum clone: a Z80A, 48 KB RAM and a keyboard that switches between Latin and Cyrillic. Made by NPO “Rotor” in Cherkasy in 1989–1998 (over 73,000 units).
A Ukrainian ZX Spectrum clone built on TTL logic: a Z80A (or UA880A) at 3.5 MHz, 64 KB RAM with “shadow” ROM and an extended 67-key keyboard with several layouts. Released in 1989 at the Dnipro machine-building plant; produced into the mid-1990s.
A later Czechoslovak Spectrum clone: a Zilog Z80 and 48 KB RAM. Made in Skalica and common in schools.
A Ukrainian ZX Spectrum 48K clone: built from discrete logic (~48 ICs), a 50-key membrane keyboard and a metal case. Released in 1991 in Kharkiv at the Khartron plant (NPO Elektroprylad); it displayed “**** IKAR-64 ****” on power-up.
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