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Sinclair Research

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832:'s shops the day after release. Retailers stocked the machine in large numbers in expectation of good Christmas sales. However, the machine did not sell as well as expected and, because retailers still had unsold stock, Sinclair's income from orders dipped alarmingly in January. The Spectrum+ had the same technical specifications as the original Spectrum. An enhanced model, the ZX Spectrum 128, was launched in Spain in September 1985, with development funded by the Spanish distributor Investronica. The UK launch of this was delayed until January 1986, because retailers had large unsold stocks of the previous model. 1194: 1040: 32: 1067: 698: 2591: 138: 589: 573: 557: 541: 525: 509: 493: 477: 461: 445: 429: 413: 397: 381: 288:. It was originally incorporated in 1973 as Westminster Mail Order Ltd, renamed Sinclair Instrument Ltd, then Science of Cambridge Ltd, then Sinclair Computers Ltd, and finally Sinclair Research Ltd. It remained dormant until 1976, when it was activated with the intention of continuing Sinclair's commercial work from his earlier company 1486:, to be launched within a year. "Technology has moved on quite a bit, there are new batteries available and I just rethought the thing. The C5 was OK, but I think we can do a better job now." The two-wheel X-1 was to have been available in July 2011 at the price of £595, but failed to reach production. 877:
and distributor Prism entering receivership. Although the collapse of the latter was not expected to have a significant effect on Sinclair's ability to reach customers, the observation was made that "Sir Clive would not be trying to go public unless he thought he could use the cash", indicating that
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in May of that year. (In 1982 it had upheld complaints about delays in shipping Spectrums.) Especially severe were allegations that Sinclair was cashing cheques months before machines were shipped. In the autumn Sinclair was still publicly predicting it would be a "million seller", and that 250,000
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Since 1986, the company has continued to exist, but in a completely different form. In 1993, 1994, and 1995 Sinclair made continuing losses on decreasing turnover. Investors became worried that Clive Sinclair himself was using his own personal wealth to fund his inventions. By 1990 the company's
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In late 1983 Timex decided to pull out of the Timex Sinclair venture which, due to strong competition, had failed to break into the United States market. However, Timex computers continued to be produced for several years in other countries. Timex Portugal launched improved versions, the
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pocket television led to financial difficulties in 1985, and a year later Sinclair sold the rights to its computer products and brand name to Amstrad. Sinclair Research Ltd continued to exist as a one-man company, marketing Clive Sinclair's inventions until his death in September 2021.
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and a new 512×192-pixel monochrome video mode. Due to the limited size of flat CRT that could be manufactured, a series of folding lenses and mirrors were necessary to magnify the screen image to a usable size. The project was cancelled after the Amstrad take-over, but the
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processor. Production was delayed by several months, due to unfinished development of hardware and software at the time of the QL's launch. Hardware reliability problems and software bugs resulted in the QL acquiring a poor reputation from which it never recovered.
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products, radios, calculators and scientific instruments. When it became clear that Radionics was failing, Sinclair took steps to ensure that he would be able to continue to pursue his commercial goals. In February 1975, he changed the name of Ablesdeal Ltd (a
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electric vehicle on 10 January 1985, but it was a commercial disaster, selling only 17,000 units and losing Sinclair £7,000,000. Sinclair Vehicles went into liquidation later the same year. The failure of the C5, combined with those of the QL and the
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Sinclair had long had an interest in electric vehicles, and during the early 1980s he worked on the design of a single-seater "personal vehicle", eventually starting a company called Sinclair Vehicles Ltd in March 1983. He launched the
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In 2003, the Sinclair "ZA20 Wheelchair Drive Unit" was introduced, designed and manufactured in conjunction with Hong Kong's Daka Designs, a partnership which also led to the SeaDoo Sea Scooter underwater propulsion unit.
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invented by Sinclair, which was on sale for £200. It had been originally announced two years previously. In November 2010, Sinclair Research announced the X-1 two-wheel electric vehicle, which failed to reach production.
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On 28 May 1985, Sinclair Research had announced it wanted to raise an extra £10m to £15m to restructure the organisation. Given the loss of confidence in the company, the money proved hard to find. In June 1985,
956:" electric bicycle was released, Sinclair's second attempt at changing people's means of transport. It had a maximum speed of 10 mph (16 km/h), and was only available by mail order. Much like the 736:(a version of the ZX81) in the United States. In March 1982 Sinclair Research Ltd made an £8.55m profit on turnover of £27.17m, including a £383,000 government grant to develop a flat screen. 746:
at 25 Willis Road, Cambridge, into the company's new headquarters. (Following Sinclair's financial troubles, the premises were sold to Cambridgeshire County Council in December 1985.)
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Sinclair Research had reportedly intended a public offering of shares on 12 March 1985, but this offering was postponed, ostensibly due to turmoil in the microcomputer industry, with
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add-ons for the ZX Spectrum. A number of QL peripherals were developed by other companies but marketed under the Sinclair brand. External storage for the Spectrum was usually on
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entire staff had been reduced to just Sinclair himself, a salesman/administrator, and an R&D employee. By 1997 only Sinclair himself was working at his company.
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was launched in February 1980 at £79.95 in kit form and £99.95 ready-built. In November of the same year Science of Cambridge was renamed Sinclair Computers Ltd.
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The future of Sinclair Research remained uncertain until 7 April 1986, when the company sold its entire computer product range, and the "Sinclair" brand name, to
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he had bought in September 1973 for just such an eventuality) to Westminster Mail Order Ltd. The name was changed to Sinclair Instrument Ltd in August 1975.
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unlike Sinclair's previous portable televisions. The TV80 was a commercial failure selling only 15,000 units and not covering its development costs of £4m.
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and parts from a Sinclair calculator. Curry was impressed and encouraged Sinclair to adopt it as a product. In June 1978, Science of Cambridge launched its
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At the January 1985 Las Vegas Consumer Electronics Show, Sinclair re-entered the United States market, announcing the "FM Wristwatch Radio", an
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would be sold by the end of the year. QL production was suspended in February 1985, and the price was halved by the end of the year.
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went on sale. The QL was nowhere near as successful as Sinclair's earlier computers. It suffered from several design flaws, and
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became available on the high street, introducing home computing to a generation, with more that 1.5 million sold. In 1982 the
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the postponement of an offering whose timing would have been planned for optimal effect would be a setback for the company.
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The following computer products were under development at Sinclair Research during the 1980s but never reached production:
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Fully working QLs were not available until late summer and complaints against Sinclair regarding delays were upheld by the
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This codename was assigned to a QL follow-on project running from 1984 to 1986. Among the features associated with
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The ZX Spectrum+, a repackaged ZX Spectrum with a QL-like keyboard, was launched in October 1984 and appeared in
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and other enhancements, was launched in Spain in September 1985 and the UK in January 1986, priced at £179.95.
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battery, had a fixed volume and was inserted in the ear. The X1 radio had three buttons, an on/off switch, a
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button to restart the scanning process. It came with a short length of aerial and a detachable ear hook.
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at £99.95, at that time the cheapest personal computer for sale in the United Kingdom. A year later, the
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Sinclair created various peripherals for its computers, including memory expansion modules, the
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noted that it was "difficult to find a good word for Sinclair Research in the computer press".
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programming language was originally intended for this model but was later adopted for the QL.
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in the United States) was priced at £49.95 in kit form and £69.95 ready-built, by mail order.
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with an LED display, measuring voltage (DC and AC), current and resistance, released in 1975.
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was released, becoming the UK's best selling computer, and competing aggressively against
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for £5 million. The deal did not include the company itself, only its name and products.
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announced a takeover of Sinclair Research, through Hollis Brothers, a subsidiary of his
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and was intended to be a cheap Z80-based games console implemented in two chips, using
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attached. However, the watch had several problems and never went into full production.
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In June 1997 Sinclair Research released the X1 radio for £9.50. This miniature mono
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program, the company established the "MetaLab" research centre at Milton Hall near
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was announced in January 1984, priced at £399. Marketed as a more sophisticated
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In November 1979, Science of Cambridge Ltd was renamed Sinclair Computers Ltd.
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newspaper that he was working on a new prototype electric vehicle, called the
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This name has been associated with a design concept for a "Super QL" based on
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This was rumoured to be a hypothetical portable version of the QL similar to
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The ZX Spectrum+ was a repackaged ZX Spectrum 48K, launched in October 1984.
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operational. The company's first product was a watch-like Wrist Calculator.
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Not to be confused with the earlier company also founded by Clive Sinclair,
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undergoing refinancing, and other companies such as Sinclair's competitor
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obtained a license to manufacture and market Sinclair's computers in the
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In January 1983 the ZX Spectrum personal computer was presented at the
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microprocessor. Sinclair Instrument Ltd introduced the computer as the
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Inventors of the A-bike, Sir Clive Sinclair and Alexander Kalogroulis
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Sinclair Archaeology: The Complete Photo Guide to Collectable Models
1306:(QL) had converged with it. This project is not to be confused with 656:
Around the same time, Ian Williamson showed Chris Curry a prototype
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as photo-archived at WorldRadioHistory.com, retrieved May 21, 2023.
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At the height of its success, and largely inspired by the Japanese
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and other advanced projects. A combination of the failures of the
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This was to be a portable computer with an integral flat-screen
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to leave Radionics, which he had worked for since 1966, and get
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sold by Science of Cambridge, introduced in 1977 for £39.95.
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In 1982 Clive Sinclair converted the Barker & Wadsworth
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concept eventually transformed into the Cambridge Computer
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On 25 July 1961, Clive Sinclair founded his first company,
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became involved in Radionics in 1976, Sinclair encouraged
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was launched on 23 April 1982, priced at £125 for the 16
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system, although it was not well received by the market.
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In 1983 the company bought Milton Hall in the village of
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This project was intended to create a greatly enhanced
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was a British consumer electronics company founded by
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was cancelled in 1982 after the specification of the
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was announced on 12 January 1984, shortly before the
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Simon Hattenstone, The Guardian (13 November 2010).
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The ZX Spectrum 128, with RAM expanded to 128 kB, a
1832: 1830: 632:Finding it inconvenient to share control after the 56:. Unsourced material may be challenged and removed. 1983:. No. 50. May 1986. p. 7. Archived from 1106:. Launched in September 1983, it used a flattened 652:In July 1977, Sinclair Instrument Ltd was renamed 292:, and adopted the name Sinclair Research in 1981. 2153: 1740: 1685: 1683: 686:in February 1980, as both a kit and ready-built. 3105:Defunct software companies of the United Kingdom 3085:Defunct computer companies of the United Kingdom 3071: 2336:"Sir Clive Sinclair's X-1 pedal-electric hybrid" 1827: 1799: 893:. However, the deal was aborted in August 1985. 864: 16:British consumer electronics company (1973–2021) 2274: 2185: 2092: 1877: 787:; that company also developed and launched the 2248: 2159: 1680: 1660:"Micro Industry in U.K. Shows Stiff Upper Lip" 924:mobile telephony) and Cambridge Computer Ltd ( 708:In March 1981, Sinclair Computers was renamed 2516: 2130: 2128: 2126: 1746: 1238:Standing for "Low Cost Colour Computer", the 993:was released by Sinclair Instrument in 1977. 3115:Electronics companies disestablished in 2021 2242: 1668:. Vol. 2, no. 19. pp. 1, 35. 1090:RAM version and £175 for the 48 KB version. 764:was launched, but was a commercial failure. 3100:Electronics companies of the United Kingdom 2532:Sinclair computers, derivatives, and clones 2496:www.1000bit.net, 1000BiT Sinclair's section 1944: 1606: 1553: 1437:application suite on ROM, and possibly the 601: 2523: 2509: 2123: 2041: 2039: 2037: 1583: 1581: 1579: 1406:, this was a project to produce an add-on 1182:, Sinclair instead opted to offer its own 647: 3125:Computer companies disestablished in 2021 3110:Electronics companies established in 1973 1046:1000, a U.S. version of the Sinclair ZX81 798: 775:research and development facility there. 732:was launched. In July Timex launched the 116:Learn how and when to remove this message 3145:British companies disestablished in 2021 2360:Sinclair Research - Sir Clive Sinclair. 2333: 1254:cartridges for storage. A multi-tasking 1192: 1065: 1038: 939: 696: 2415:Adamson, Ian; Kennedy, Richard (1986). 2277:"A little piece of Sinclair history..." 2034: 1904: 1576: 3120:Computer companies established in 1973 3072: 2449:. Portslade: Hove Books. 130 pp.  2419:. London: Penguin Books. 224 pp.  2222: 1975:"Amstrad axes QL in Sinclair sell out" 1947:"Amstrad has bought Sinclair Research" 1883: 1689: 1657: 1638:"Sinclair Instrument Wrist Calculator" 1426:were increased RAM capacity, internal 935: 3140:British companies established in 1973 2504: 2417:Sinclair and the "Sunrise" Technology 2052:Sinclair and the 'Sunrise' Technology 1225: 693:Commercial success and home computers 2386: 1852: 1642:Centre for Computing History website 908:Sinclair Research was reduced to an 295:In 1980, Clive Sinclair entered the 54:adding citations to reliable sources 25: 3090:Defunct computer hardware companies 2275:Rupert Goodwins (26 October 1999). 13: 3095:Defunct computer systems companies 2434:. London: Duckworth. 184 pp.  2409: 2186:Rupert Goodwins (18 August 1999). 1840:. The Center for Computing History 1692:"Sir Clive Makes The Quantum Leap" 1129:for professional users, it used a 14: 3161: 3135:Defunct companies based in London 2461: 2387:Dunn, Michael (8 December 2014). 2334:Coxworth, Ben (5 November 2010). 2095:"Re: Sinclair Loki Superspectrum" 1658:Clarke, Jerry (27 October 1980). 967:July 2006 saw the release of the 2589: 1747:Roger Munford (September 1984). 1613:Sinclair Radionics advertisement 716:was launched. In February 1982, 588: 587: 572: 571: 556: 555: 540: 539: 524: 523: 508: 507: 492: 491: 476: 475: 460: 459: 444: 443: 428: 427: 412: 411: 396: 395: 380: 379: 136: 30: 2380: 2353: 2327: 2304: 2268: 2249:Rick Dickinson (16 July 2007). 2216: 2179: 2160:Rick Dickinson (16 July 2007). 2093:Rupert Goodwins (12 May 2002). 2086: 2065: 2020: 1999: 1967: 1938: 1913:"Sinclair to Sell British Unit" 1589:"Sinclair: A Corporate History" 1476:In November 2010 Sinclair told 822:Advertising Standards Authority 41:needs additional citations for 2389:"Sir Clive Sinclair interview" 2048:"The Quantum Leap - to where?" 2046:Ian Adamson; Richard Kennedy. 1630: 1547: 358: 1: 3150:1986 mergers and acquisitions 2313:"Whose bright idea was that?" 1541: 1294:and ZX Net ports. Sinclair's 1242:was developed during 1983 by 1017:(Microcomputer Kit 14) was a 920:), Shaye Communications Ltd ( 865:Amstrad acquisition of assets 3130:Companies based in Cambridge 1815:. No. 22. November 1985 903: 771:, for £2m, establishing its 756:. In September the Sinclair 662:National Semiconductor SC/MP 7: 2468:Sinclair Nostalgia Products 1489: 979: 671:microcomputer in kit form. 10: 3166: 2587: 1884:Kewney, Guy (April 1985). 1838:"Sinclair ZX Spectrum 128" 1690:Denham, Sue (March 1984). 1332:-compatible with a faster 605: 354: 18: 3033: 2969: 2937: 2903: 2730: 2699: 2681: 2642: 2621: 2598: 2538: 2445:Tedeschi, Enrico (1986). 1720:"QL News / SinclairWatch" 1374:was to have a 7 MHz 1366:, possibly rivalling the 1328:display. Initially to be 1286:, equipped with built-in 754:Consumer Electronics Show 654:Science of Cambridge Ltd. 634:National Enterprise Board 360:Profit and turnover data 324:Fifth Generation Computer 261: 249: 235: 222:, Director (1979 to 1986) 213: 197: 189: 179: 168: 154: 144: 135: 1955:. No. 28. p. 7 1945:Graham Kidd (May 1986). 1777:"Timex/Sinclair history" 1554:John Minson (May 1986). 1394:to continue their work. 1262:, with a full windowing 620:. The company developed 602:Founding and early years 2229:"ql-users" mailing list 1890:Personal Computer World 1728:. No. 5. July 1984 1454:wafer-scale integration 918:wafer-scale integration 648:Development of the ZX80 614:Sinclair Radionics Ltd. 336:wafer-scale integration 332:artificial intelligence 1619:, (further details at 1198: 1197:X1 Button Radio (1997) 1074: 1047: 945: 928:portable computer and 799:Mid-1980s developments 769:Milton, Cambridgeshire 705: 2430:Dale, Rodney (1985). 1860:"FM Wristwatch Radio" 1196: 1069: 1042: 943: 710:Sinclair Research Ltd 700: 330:, in order to pursue 278:Sinclair Research Ltd 131:Sinclair Research Ltd 2817:ZX Spectrum based: 2543:Science of Cambridge 1987:on 24 September 2006 1924:The Associated Press 1158:Computer peripherals 930:satellite television 240:Sinclair ZX Spectrum 175:, England, UK (1973) 50:improve this article 3025:Magnum Light Phaser 2990:Rotronics Wafadrive 2977:Beta Disk Interface 2541:Sinclair Research / 2362:"Sinclair Research" 1625:Practical Wireless, 1516:Sinclair Scientific 1250:and (non-volatile) 936:Return to invention 642:Sinclair Instrument 361: 340:formal verification 263:Number of employees 132: 65:"Sinclair Research" 2961:FDD3000 Disk Drive 2947:Neptun 156 Monitor 2717:ZX Spectrum clones 2683:Cambridge Computer 2491:ZX81 Online Museum 2474:The Sinclair Story 2432:The Sinclair Story 2007:"Wrist Calculator" 1919:The New York Times 1892:. pp. 101–102 1807:"Kept in the Dark" 1536:Sinclair President 1511:Sinclair Radionics 1506:Sinclair Executive 1226:Cancelled projects 1202:X1 Button FM Radio 1199: 1075: 1048: 946: 706: 608:Sinclair Radionics 359: 290:Sinclair Radionics 130: 21:Sinclair Radionics 3080:Sinclair Research 3067: 3066: 3054:Richard Altwasser 3020:Stack Light Rifle 3015:RAM Music Machine 2970:Other peripherals 2938:Timex peripherals 2905:Sinclair Research 2644:Timex Corporation 2634:ZX Spectrum Vega+ 2368:on 3 October 2015 2284:comp.sys.sinclair 2196:comp.sys.sinclair 2103:comp.sys.sinclair 2073:"Planet Sinclair" 1521:Sinclair Vehicles 1278:Intended to be a 1180:floppy disk drive 718:Timex Corporation 599: 598: 346:computer and the 275: 274: 126: 125: 118: 100: 3157: 2871:ZX Spectrum Next 2827:CZ Spectrum Plus 2629:ZX Spectrum Vega 2622:Licenced systems 2593: 2525: 2518: 2511: 2502: 2501: 2404: 2403: 2401: 2399: 2384: 2378: 2377: 2375: 2373: 2364:. 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In April the 724:under the name 695: 650: 610: 604: 357: 270: 268: 264: 242: 227: 223: 216: 209: 205: 161: 149:Limited company 122: 111: 105: 102: 59: 57: 47: 35: 24: 17: 12: 11: 5: 3163: 3153: 3152: 3147: 3142: 3137: 3132: 3127: 3122: 3117: 3112: 3107: 3102: 3097: 3092: 3087: 3082: 3065: 3064: 3062: 3061: 3056: 3051: 3049:Rick Dickinson 3046: 3045:John Pemberton 3043: 3041:Clive Sinclair 3037: 3035: 3031: 3030: 3028: 3027: 3022: 3017: 3012: 3007: 3002: 2997: 2992: 2987: 2984: 2979: 2973: 2971: 2967: 2966: 2964: 2963: 2958: 2956:FDD Disk Drive 2953: 2948: 2945: 2944:TS2040 Printer 2941: 2939: 2935: 2934: 2932: 2931: 2926: 2924:ZX Interface 2 2921: 2919:ZX Interface 1 2916: 2910: 2908: 2901: 2900: 2898: 2897: 2887: 2873: 2815: 2753: 2738: 2736: 2731: 2728: 2727: 2725: 2724: 2719: 2714: 2712:ZX80/81 clones 2708: 2706: 2700: 2697: 2696: 2694: 2693: 2687: 2685: 2679: 2678: 2676: 2675: 2670: 2665: 2659: 2654: 2648: 2646: 2640: 2639: 2637: 2636: 2631: 2625: 2623: 2619: 2618: 2616: 2615: 2613:ZX Spectrum +3 2610: 2608:ZX Spectrum +2 2604: 2602: 2596: 2595: 2588: 2586: 2584: 2583: 2578: 2564: 2559: 2554: 2548: 2546: 2539: 2536: 2535: 2528: 2527: 2520: 2513: 2505: 2499: 2498: 2493: 2488: 2483: 2478: 2470: 2463: 2462:External links 2460: 2459: 2458: 2443: 2428: 2411: 2408: 2406: 2405: 2379: 2352: 2340:www.gizmag.com 2326: 2303: 2267: 2241: 2225:"Q-Emulator 2" 2215: 2178: 2152: 2122: 2085: 2064: 2033: 2019: 1998: 1966: 1937: 1926:. 18 June 1985 1903: 1886:"Still waters" 1876: 1851: 1826: 1798: 1768: 1739: 1711: 1679: 1647: 1629: 1615:, March 1963, 1605: 1575: 1545: 1543: 1540: 1539: 1538: 1533: 1528: 1526:Timex Sinclair 1523: 1518: 1513: 1508: 1503: 1498: 1496:Sinclair BASIC 1491: 1488: 1474: 1473: 1462: 1461: 1450: 1449: 1420: 1419: 1410:drive for the 1400: 1399: 1388:Martin Brennan 1384:John Mathieson 1360: 1359: 1322: 1321: 1276: 1275: 1244:Martin Brennan 1236: 1235: 1227: 1224: 1218:button, and a 1204: 1203: 1176:cassette tapes 1172:ZX Interface 2 1168:ZX Interface 1 1160: 1159: 1148: 1147: 1140: 1139: 1131:Motorola 68008 1116: 1115: 1096: 1095: 1080: 1079: 1059:(known as the 1053: 1052: 1044:Timex Sinclair 1027: 1026: 1011: 1010: 999: 998: 997:Multimeter DM2 987: 986: 981: 978: 952:In 1992, the " 937: 934: 905: 902: 891:Pergamon Press 887:Robert Maxwell 866: 863: 800: 797: 726:Timex Sinclair 694: 691: 665:microprocessor 649: 646: 603: 600: 597: 596: 593: 585: 581: 580: 577: 569: 565: 564: 561: 553: 549: 548: 545: 537: 533: 532: 529: 521: 517: 516: 513: 505: 501: 500: 497: 489: 485: 484: 481: 473: 469: 468: 465: 457: 453: 452: 449: 441: 437: 436: 433: 425: 421: 420: 417: 409: 405: 404: 401: 393: 389: 388: 385: 377: 373: 372: 369: 366: 356: 353: 282:Clive Sinclair 273: 272: 265: 262: 259: 258: 251: 247: 246: 237: 233: 232: 229:Rick Dickinson 217: 214: 211: 210: 207: 201: 199: 195: 194: 191: 187: 186: 184:Clive Sinclair 181: 177: 176: 170: 166: 165: 156: 152: 151: 146: 142: 141: 124: 123: 106:September 2020 38: 36: 29: 15: 9: 6: 4: 3: 2: 3162: 3151: 3148: 3146: 3143: 3141: 3138: 3136: 3133: 3131: 3128: 3126: 3123: 3121: 3118: 3116: 3113: 3111: 3108: 3106: 3103: 3101: 3098: 3096: 3093: 3091: 3088: 3086: 3083: 3081: 3078: 3077: 3075: 3060: 3059:Steve Vickers 3057: 3055: 3052: 3050: 3047: 3044: 3042: 3039: 3038: 3036: 3032: 3026: 3023: 3021: 3018: 3016: 3013: 3011: 3008: 3006: 3003: 3001: 2998: 2996: 2993: 2991: 2988: 2985: 2983: 2980: 2978: 2975: 2974: 2972: 2968: 2962: 2959: 2957: 2954: 2952: 2949: 2946: 2943: 2942: 2940: 2936: 2930: 2929:ZX Microdrive 2927: 2925: 2922: 2920: 2917: 2915: 2912: 2911: 2909: 2906: 2902: 2896: 2892: 2888: 2886: 2882: 2878: 2874: 2872: 2868: 2864: 2860: 2856: 2855:Komputer 2086 2852: 2848: 2844: 2840: 2836: 2832: 2828: 2824: 2820: 2816: 2814: 2810: 2806: 2802: 2798: 2794: 2790: 2786: 2782: 2778: 2774: 2770: 2766: 2762: 2758: 2755:ZX81 based: 2754: 2752: 2748: 2744: 2740: 2739: 2737: 2732:Compatible or 2729: 2723: 2720: 2718: 2715: 2713: 2710: 2709: 2707: 2704: 2698: 2692: 2689: 2688: 2686: 2684: 2680: 2674: 2671: 2669: 2666: 2663: 2660: 2658: 2655: 2653: 2650: 2649: 2647: 2645: 2641: 2635: 2632: 2630: 2627: 2626: 2624: 2620: 2614: 2611: 2609: 2606: 2605: 2603: 2601: 2597: 2592: 2582: 2579: 2576: 2572: 2568: 2565: 2563: 2560: 2558: 2555: 2553: 2550: 2549: 2547: 2544: 2537: 2533: 2526: 2521: 2519: 2514: 2512: 2507: 2506: 2503: 2497: 2494: 2492: 2489: 2487: 2484: 2482: 2479: 2477: 2475: 2471: 2469: 2466: 2465: 2456: 2455:0-9527883-0-6 2452: 2448: 2444: 2441: 2440:0-7156-1901-2 2437: 2433: 2429: 2426: 2425:0-14-008774-5 2422: 2418: 2414: 2413: 2394: 2390: 2383: 2367: 2363: 2356: 2341: 2337: 2330: 2314: 2307: 2292: 2289: 2285: 2281: 2278: 2271: 2256: 2252: 2245: 2230: 2226: 2219: 2204: 2201: 2197: 2193: 2189: 2182: 2167: 2163: 2156: 2141: 2137: 2131: 2129: 2127: 2111: 2108: 2104: 2100: 2096: 2089: 2074: 2068: 2053: 2049: 2042: 2040: 2038: 2029: 2023: 2008: 2002: 1986: 1982: 1981: 1980:Sinclair User 1976: 1970: 1954: 1953: 1948: 1941: 1925: 1921: 1920: 1914: 1907: 1891: 1887: 1880: 1865: 1861: 1855: 1839: 1833: 1831: 1814: 1813: 1808: 1802: 1786: 1782: 1778: 1772: 1756: 1755: 1754:Your Spectrum 1750: 1743: 1727: 1726: 1725:Your Spectrum 1721: 1715: 1699: 1698: 1697:Your Spectrum 1693: 1686: 1684: 1675: 1671: 1667: 1666: 1661: 1654: 1652: 1643: 1639: 1633: 1626: 1622: 1618: 1614: 1609: 1594: 1590: 1584: 1582: 1580: 1563: 1562: 1557: 1550: 1546: 1537: 1534: 1532: 1529: 1527: 1524: 1522: 1519: 1517: 1514: 1512: 1509: 1507: 1504: 1502: 1499: 1497: 1494: 1493: 1487: 1485: 1481: 1480: 1471: 1470: 1469: 1467: 1459: 1458: 1457: 1455: 1447: 1446: 1445: 1443: 1440: 1436: 1433: 1429: 1425: 1417: 1416: 1415: 1413: 1409: 1405: 1402:According to 1397: 1396: 1395: 1393: 1389: 1385: 1381: 1377: 1373: 1369: 1365: 1358: 1355: 1354: 1353: 1351: 1347: 1342: 1341:ZX Microdrive 1339:, a built-in 1338: 1335: 1331: 1327: 1319: 1318: 1317: 1315: 1314: 1313:Sinclair User 1309: 1305: 1301: 1300:SuperSpectrum 1297: 1293: 1289: 1288:ZX Microdrive 1285: 1284:home computer 1281: 1274:SuperSpectrum 1273: 1272: 1271: 1269: 1265: 1261: 1257: 1253: 1249: 1245: 1241: 1233: 1232: 1231: 1223: 1221: 1217: 1213: 1209: 1201: 1200: 1195: 1191: 1189: 1188:ZX Microdrive 1185: 1181: 1177: 1173: 1169: 1165: 1157: 1156: 1155: 1153: 1145: 1144: 1143: 1137: 1136: 1135: 1132: 1128: 1127:microcomputer 1125: 1121: 1113: 1112: 1111: 1109: 1105: 1102:was a pocket 1101: 1093: 1092: 1091: 1089: 1085: 1077: 1076: 1072: 1068: 1064: 1062: 1058: 1050: 1049: 1045: 1041: 1037: 1035: 1034:home computer 1032: 1024: 1023: 1022: 1020: 1016: 1008: 1007: 1006: 1004: 996: 995: 994: 992: 984: 983: 977: 974: 970: 965: 961: 959: 955: 950: 942: 933: 931: 927: 923: 919: 915: 911: 901: 899: 894: 892: 888: 885: 879: 876: 872: 862: 860: 858: 853: 847: 845: 841: 838: 833: 831: 826: 823: 818: 816: 815: 814:Your Sinclair 810: 806: 796: 794: 790: 786: 782: 776: 774: 770: 765: 763: 759: 755: 752: 747: 745: 742: 741:mineral water 737: 735: 731: 727: 723: 719: 715: 714:Sinclair ZX81 711: 703: 699: 690: 687: 685: 681: 677: 674:In May 1979, 672: 670: 666: 663: 659: 658:microcomputer 655: 645: 643: 639: 635: 630: 628: 627:shelf company 623: 619: 615: 609: 594: 586: 584:1995 to 1996 583: 582: 578: 570: 568:1994 to 1995 567: 566: 562: 554: 552:1993 to 1994 551: 550: 546: 538: 536:1992 to 1993 535: 534: 530: 522: 520:1991 to 1992 519: 518: 514: 506: 504:1990 to 1991 503: 502: 498: 490: 488:1989 to 1990 487: 486: 482: 474: 472:1988 to 1989 471: 470: 466: 458: 455: 454: 450: 442: 439: 438: 434: 426: 423: 422: 418: 410: 407: 406: 402: 394: 391: 390: 386: 378: 375: 374: 370: 367: 364: 363: 352: 349: 345: 341: 337: 333: 329: 325: 320: 318: 314: 310: 306: 302: 298: 297:home computer 293: 291: 287: 283: 279: 266: 260: 256: 253:£102 million 252: 248: 245: 241: 238: 234: 230: 226: 221: 218: 212: 204: 200: 196: 192: 188: 185: 182: 178: 174: 171: 167: 164: 160: 157: 153: 150: 147: 143: 139: 134: 128: 120: 117: 109: 98: 95: 91: 88: 84: 81: 77: 74: 70: 67: –  66: 62: 61:Find sources: 55: 51: 45: 44: 39:This article 37: 33: 28: 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Retrieved 1559: 1549: 1479:The Guardian 1477: 1475: 1472:Sinclair X-1 1465: 1463: 1456:technology. 1451: 1434: 1430:drives, the 1423: 1421: 1401: 1371: 1361: 1345: 1323: 1311: 1307: 1303: 1299: 1290:, joystick, 1277: 1259: 1239: 1237: 1229: 1219: 1215: 1205: 1186:system, the 1184:mass storage 1161: 1149: 1141: 1138:ZX Spectrum+ 1117: 1097: 1081: 1054: 1028: 1019:computer kit 1012: 1000: 988: 966: 962: 951: 947: 932:receivers). 907: 895: 880: 868: 861: 848: 834: 827: 819: 812: 802: 777: 772: 766: 748: 738: 709: 707: 688: 676:Jim Westwood 673: 653: 651: 631: 611: 321: 294: 277: 276: 257: (1985) 225:Jim Westwood 220:Nigel Searle 198:Headquarters 145:Company type 127: 112: 103: 93: 86: 79: 72: 60: 48:Please help 43:verification 40: 2907:peripherals 2895:Jupiter Ace 2801:Ringo R-470 2793:CZ Spectrum 2765:Lambda 8300 2567:ZX Spectrum 2319:13 November 2234:15 December 2208:23 November 2145:15 December 2115:23 November 2057:15 December 1819:15 December 1791:15 December 1761:15 December 1732:15 December 1598:15 December 1568:12 November 1501:Sinclair C5 1428:floppy disk 1412:ZX Spectrum 1408:floppy disk 1364:ZX Spectrum 1330:ZX Spectrum 1120:Sinclair QL 1114:Sinclair QL 1084:ZX Spectrum 1078:ZX Spectrum 852:Sinclair C5 805:Sinclair QL 793:floppy disk 730:ZX Spectrum 702:ZX Spectrum 660:based on a 638:Chris Curry 344:Sinclair QL 309:ZX Spectrum 267:140 (1980s) 244:Sinclair QL 163:Electronics 3074:Categories 2914:ZX Printer 2875:QL based: 2398:5 February 2372:13 October 2345:5 February 2012:13 October 1930:4 December 1896:22 October 1869:9 December 1844:4 December 1542:References 1398:Bob/Florin 1390:, founded 1316:magazine. 1296:SuperBASIC 1166:, and the 1164:ZX Printer 1152:sound chip 1104:television 1003:multimeter 1001:A digital 840:wristwatch 762:television 606:See also: 231:, Designer 215:Key people 76:newspapers 2995:Multiface 2891:SAM Coupé 2835:Dubna 48K 2757:Apply 300 2722:QL clones 2701:Lists of 2664:(TC 2068) 2280:Newsgroup 2192:Newsgroup 2099:Newsgroup 1991:19 August 1959:19 August 1781:ZQAOnline 1674:0199-6649 1665:InfoWorld 904:Spin-offs 751:Las Vegas 680:Zilog Z80 618:Cambridge 371:Turnover 328:Cambridge 313:Commodore 286:Cambridge 173:Cambridge 159:Computing 3010:SpecDrum 3000:Kempston 2982:DISCiPLE 2877:CST Thor 2851:Kay 1024 2847:Sprinter 2831:Didaktik 2823:Pentagon 2797:NE-Z8000 2743:MicroAce 2662:T/S 2068 2657:T/S 1500 2652:T/S 1000 2315:. London 2260:21 April 2171:21 April 2078:12 April 1704:19 April 1621:page 877 1617:page 876 1490:See also 1258:for the 1208:FM radio 980:Products 712:and the 451:£77.69m 448:£14.28m 435:£54.53m 419:£27.17m 271:1 (1997) 269:3 (1990) 236:Products 155:Industry 2889:Other: 2885:Q40/Q60 2781:CZ 1500 2777:CZ 1000 2773:CZ 2000 2761:AS-1000 2673:TC 3256 2668:TC 2048 2600:Amstrad 2288:Usenet: 2282::  2200:Usenet: 2194::  2107:Usenet: 2101::  1749:"Circe" 1466:Pandora 1460:Proteus 1435:Xchange 1346:Pandora 1320:Pandora 1282:-based 1061:TS 1000 910:R&D 898:Amstrad 842:with a 830:WHSmith 789:FDD3000 781:TS 2048 773:MetaLab 760:pocket 734:TS 1000 592:−£123K 576:−£304K 560:−£195K 544:−£169K 528:−£593K 512:−£272K 480:−£183K 432:£13.8m 416:£8.55m 368:Profit 365:Period 355:History 317:Amstrad 250:Revenue 190:Defunct 180:Founder 169:Founded 90:scholar 3034:People 3005:Currah 2839:Hobbit 2769:CP-200 2751:NE-Z80 2703:clones 2453:  2438:  2423:  2290:  2255:Flickr 2202:  2166:Flickr 2109:  1672:  1292:RS-232 1212:CR2032 1124:32-bit 969:A-bike 704:(1982) 595:£256K 579:£436K 563:£511K 547:£380K 496:£618K 467:£102m 464:−£18m 403:£4.6m 400:£818K 387:£640K 384:£131K 203:London 92:  85:  78:  71:  63:  2867:Robik 2859:TK90X 2805:TK82C 2296:4 May 1952:CRASH 1812:CRASH 1561:CRASH 1448:Janus 1432:Psion 1424:Tyche 1418:Tyche 1280:68008 1220:Reset 844:radio 622:hi-fi 456:1985 440:1984 424:1983 408:1982 392:1981 376:1980 97:JSTOR 83:books 2986:MB02 2863:TK95 2813:TK85 2809:TK83 2747:TK80 2562:ZX81 2557:ZX80 2552:MK14 2451:ISBN 2436:ISBN 2421:ISBN 2400:2017 2374:2015 2347:2017 2321:2010 2298:2009 2262:2008 2236:2006 2210:2006 2173:2008 2147:2006 2117:2006 2080:2011 2059:2006 2014:2015 1993:2006 1961:2006 1932:2009 1898:2021 1871:2009 1846:2009 1821:2006 1793:2006 1763:2006 1734:2006 1706:2006 1670:ISSN 1600:2006 1570:2006 1564:(28) 1531:TV80 1386:and 1372:Loki 1357:Loki 1308:Loki 1304:ZX83 1216:Scan 1170:and 1118:The 1100:TV80 1098:The 1094:TV80 1082:The 1057:ZX81 1055:The 1051:ZX81 1031:ZX80 1029:The 1025:ZX80 1015:MK14 1013:The 1009:MK14 989:The 971:, a 954:Zike 875:Oric 857:TV80 803:The 791:, a 785:2068 783:and 758:TV80 684:ZX80 669:MK14 531:£1K 515:£5K 499:£5K 483:£8K 348:TV80 315:and 305:ZX81 301:ZX80 193:2021 69:news 2819:ATM 2691:Z88 2393:EDN 1484:X-1 1442:GUI 1439:GEM 1380:CPU 1376:Z80 1350:Z88 1337:CPU 1334:Z80 1326:CRT 1264:GUI 1260:LC3 1252:RAM 1248:ROM 1240:LC3 1234:LC3 1108:CRT 926:Z88 922:CT2 837:LCD 722:USA 616:in 284:in 255:GBP 52:by 3076:: 2893:, 2883:, 2879:, 2869:, 2865:, 2861:, 2857:, 2853:, 2849:, 2845:, 2837:, 2833:, 2829:, 2825:, 2821:, 2811:, 2807:, 2803:, 2799:, 2795:, 2791:, 2787:, 2783:, 2779:, 2775:, 2771:, 2767:, 2763:, 2759:, 2749:, 2745:, 2581:QL 2573:, 2391:. 2338:. 2286:. 2253:. 2227:. 2198:. 2190:. 2164:. 2138:. 2125:^ 2105:. 2097:. 2050:. 2036:^ 1977:. 1949:. 1922:. 1916:. 1888:. 1862:. 1829:^ 1809:. 1779:. 1751:. 1722:. 1694:. 1682:^ 1662:. 1650:^ 1640:. 1623:) 1591:. 1578:^ 1558:. 1468:. 1444:. 1414:. 1378:H 1370:. 1352:. 1270:. 1268:QL 1088:KB 958:C5 338:, 334:, 319:. 208:UK 206:, 2841:, 2577:) 2569:( 2524:e 2517:t 2510:v 2457:. 2442:. 2427:. 2402:. 2376:. 2349:. 2323:. 2300:. 2264:. 2238:. 2212:. 2175:. 2149:. 2119:. 2082:. 2061:. 2030:. 2016:. 1995:. 1963:. 1934:. 1900:. 1873:. 1848:. 1823:. 1795:. 1765:. 1736:. 1708:. 1676:. 1644:. 1602:. 1572:. 119:) 113:( 108:) 104:( 94:· 87:· 80:· 73:· 46:. 23:.

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