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Last modified 2026-02-01

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Sinclair ZX Spectrum 16K

A picture of Sinclair ZX Spectrum 16K

SPECIFICATIONS

GENERAL
Type:8-bit home computer
CPU:Zilog Z80A @ 3.5 MHz
Operating system(s):Sinclair Basic
Memory:ROM: 16 KB
RAM: 16 KB (Expandable to 48 KB)
Power supply:9 VDC
Current drain / power consumption:Less than 600 mA (Without expansions)
Dimensions (W*H*D):230*30*144 mm (9.05*1.18*5.67")
Weight:? g (? oz)




I/O
Keyboard:Integrated
Graphics: Max 256*192 pixels
Text: 32*24 characters
Audio:Beeper: 1 channel, 10 octaves
Storage: Tape recorder
Optional micro drive
External I/O ports / connectors:
Tape I/O:   ?
RF out:   ?
Expansion bus:   ?-pin
Other:




MISCELLANEOUS
Manufactured:1982-1984 (Discontinued)
Additional info: New price 1983 in Sweden: SEK 2395:-
New price, february 1984 in Sweden: SEK 1995:-
Related documents:
Modifications and fixes:
Notable "ham" software: "ATV colour test patterns" - By G8MCQ
Reviews:RT / Elektronikvärlden (Sweden): June 1983 (#6/7)
Some options / Accessories:
- -