Sinclair ZX Spectrum +2A

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The Sinclair ZX Spectrum +2A was an Amstrad produced Sinclair machine housed in a black case, replacing the earlier grey colour model Plus 2.

Some early Spectrum +2A that used the Z70830 Spectrum +3 Motherboards have a sound problem, where a resistor was missed off the board, which had the unfortunate effect of channeling the 128K sound through the 48K circuit, creating a high level of distortion.

Internet folklore often has it, that all +2A machines have the fault, but almost all use an entirely different board (270833) which has the fault corrected. It is actually very rare to find a +2A machine with a sound fault, leading people to try and seek out the much rarer +2B needlessly, thought mistakenly by many to be the only model with the sound fix.

Manufacturer: Amstrad
Date: 1987

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Sinclair ZX Spectrum +2A Manuals:

Item	Manufacturer	Date
A Course in BASIC Programming - ZX80 Operating Manual	Science of Cambridge	1980
Technology Research Disk Interface Manual	Technology Research Ltd	1984
Servicing Manual for ZX Spectrum	Sinclair Research Ltd	Jan 1984
Sinclair ZX Spectrum +2 Manual	Sinclair	1986
Spectral Manual (East German ZX Spectrum Clone)	Hübner Elektronik	1988

Sinclair ZX Spectrum +2A Articles:

Item	Manufacturer	Date
Memories - The Tatung Einstein (1)		Unknown
Memories - My History of Computing - From a School Teacher		Feb 2009

Magazines RELATED to Sinclair ZX Spectrum +2A in our Library

Item	Manufacturer	Date
Your Computer - June 1982		Jun 1982
Personal Computer World - June 1982		1 Jun 1982
Personal Computer World - October 1982		Oct 1982
Personal Computer World - November 1982		Nov 1982
Personal Computer World - January 1983		Jan 1983
Practical Computing - August 1983		Aug 1983
Acorn User - Christmas 1995		1 Jul 2009
Acorn User - May 1997		15 Jul 2009

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Amstrad CPC 6128	Amstrad	Unknown
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Amstrad CPC 664	Amstrad	May 1985
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Amstrad PC1640 HD20	Amstrad	1986
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Amstrad PCW 9512	Amstrad	1987
Sinclair ZX Spectrum +2A (Portuguese)	Amstrad	1987
Amstrad PCW 9512+	Amstrad	1987
Sinclair ZX Spectrum +2A Action Pack	Amstrad	1987
Amstrad PC2086 S	Amstrad	1988
Amstrad ALT-386SX Laptop Computer	Amstrad	1988
Amstrad PPC 640D	Amstrad	1988
Amstrad PC2086/30	Amstrad	1988
Spanish Amstrad CPC 464 (Schneider Keys & Cassette Deck)	Amstrad	1988
Amstrad PC1640 HD30	Amstrad	1988
Amstrad PPC 512D	Amstrad	1988
Sinclair ZX Spectrum +2B	Amstrad	1989
Amstrad PC2286/40	Amstrad	October 1989
Amstrad CPC 464 Plus	Amstrad	1990
Amstrad PCW 9256	Amstrad	1990
Amstrad ALT-286 Laptop Computer	Amstrad	1990
Amstrad CPC 6128 Plus	Amstrad	1990
Amstrad ACL-386SX120 Laptop	Amstrad	1991
Amstrad PC4386SX Computer	Amstrad	1991
Amstrad ANB-386SX40	Amstrad	September 1991
Amstrad 7286 HD40	Amstrad	1993
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