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Sinclair Spectrum

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The Spectrum was among the first mainstream-audience home computers in the UK, similar in significance to the Commodore 64 in the USA.  The introduction of the ZX Spectrum led to a boom in companies producing software and hardware for the machine, the effects of which are still seen; some credit it as the machine which launched the UK IT industry.  Licensing deals and clones followed, and earned Clive Sinclair a knighthood for “services to British industry”.

Processor Type: Zylog Z80

Processor Speed: 3.5MHz

RAM: 48 KB

ROM: 16KB

Display: Connection via UHF for TV Tuner

Sound: One Channel

Storage: None Internal, External Cassette, Microdrive tape loop storage

Network: ZX Net (to allow communication between more than one Spectrum)

Original Release Date: 23rd April 1982

Discontinued: 1992

Cost (New in 1982): £175

Cost (In 2018 Price): £638.75

Modifications I have performed:

Have replaced power supply with a modern one with a more stable voltage output.

Currently not working due to RAM issue

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