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Sinclair QL
Sinclair • 1984

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Launched BySinclair
Type8-bit Microcomputer
Launch12th January 1984
DiscontinuedApril 1986


The QL ("Quantum Leap") was Sinclair's attempt at a business computer. Not only was it incompatible with its popular sibling, the ZX Spectrum, it used a proprietary media format: The Microdrive.

The QL was unable to compete with Macintosh and IBM computers in the business space and was discontinued when Amstrad acquired Sinclair's computer products in 1986.

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Buy Sinclair QL on eBay

Sinclair Spectrum QL 52 cartridge Lot in cases

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Sinclair QL keyboard membrane - Manufactured New in 2019

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68K-MBC PC Board - DIY M68008 SBC Computer 68000 Mac Sinclair QL PCB

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Rare - Sinclair QL AH firmware ceramic ic's

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Sinclair ZX Spectrum Interface 1/Sinclair QL to ZX Microdrive connection cable

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Popular Sinclair QL games

Emulation

System Emulator Notes
Windows / Mac OS / Linux MAME/MESS Good Support. Setname: ql
Windows / Mac OS / Linux ZEsarUX -

Emulator information last updated 13th April 2020

Tech Specs and further details

Name Sinclair QL
Codename ZX83
Origin United Kingdom
Processor Motorola 68000
Developed by David Karlin, Rick Dickinson
Memory 128KB (upgradable to 896KB)
Display Size (pixels) 256 x 256 (lo-res), 512 x 256 (hi-res)
Colours 8 Colours
Storage Microdrive
Input Built-in keyboard, joystick ports
Cost £399 (UK launch)
Dedicated Publications QL Today

Resources