Converter whilst pushing in the joystick. (amstrad changed the joystick ports on these models after acquiring sinclair in 1986). it converts the SJS standard to atari / c64 standard from the amstrad standard wiring.
ZX Spectrum PSU The New Power Supply for Sinclair ZX Spectrum +2A +2B +3 (UK)
4 x TMS4464-12 64Kx4 bit DRAM chip, ZX Spectrum +2A/2B, +3/3B.
Sinclair ZX Spectrum +2 A/B or +3 Joystick Adapter SJS1 to Kempston cable
9thbit Sinclair ZX Spectrum Black +2 +2a / b +3 PSU Power supply
Any Sinclair ZX Spectrum, 48K, 128K, +2, +2A/B, +3 ROM Burnt
Sinclair ZX Spectrum Black +2 +2a / b +3 PSU Power supply Retail Packaging
