Spectrum (disambiguation)

A spectrum is a condition or value that is not limited to a specific set of values but can vary infinitely within a continuum.

Spectrum may also refer to:

Physical science

Spectral (album)

Spectral is the third full-length studio album by the Swedish melodic death metal band Skyfire. It was released on May 10, 2004 through Arise Records. The lyrical themes include armageddon, loneliness, delusion, despair and mysticism. The Korean release of the album features three bonus songs; "Patterns" and two live tracks "Skyfire (2003 Busan Rock Festival Live)" and "Mind Revolution (2003 Busan Rock Festival Live)".

Track listing

Korean Bonus Tracks

Personnel

Band members

Production

List of ZX Spectrum clones

The following is a list of clones of Sinclair Research's ZX Spectrum home computer:

Official clones

The only official clones of the Spectrum were made by Timex. There were three models developed, only two of which were released:

Timex Sinclair 2068

A significantly more sophisticated machine than the original Spectrum. The most significant changes were the addition of a cartridge port, an AY-3-8912 sound chip and an improved ULA giving access to better graphics modes. The TS2068 was marketed in the United States, while very similar machines were marketed in Portugal and Poland as the Timex Computer 2068 (TC2068) and Unipolbrit Komputer 2086 (UK2086) respectively. A small amount of TC2068 were also sold in Poland.

Timex Computer 2048

A machine similar to the Spectrum 48K, but with the improved ULA from the TC2068 allowing access to the improved graphics modes. Marketed only in Portugal and Poland.

Timex Sinclair 2048

A never released variant of the TS2068 with 16 KB of RAM.