| 1975 | Europe | Sheffield Lab LAB-2 / Sheffield Lab LAB 2First yearLP, Album, Limited Edition, Stereo · Limited | LP, Album, Limited Edition, Stereo · Limited |
| 1975 | Germany | Sheffield SL7 / Setton SL7First yearLP, Album, Limited Edition · Limited | LP, Album, Limited Edition · Limited |
| 1975 | Germany | Sheffield Lab LAB-2 / Sheffield Lab LAB 2First yearLP, Album, Limited Edition, Stereo · Limited | LP, Album, Limited Edition, Stereo · Limited |
| 1975 | Germany | Sheffield Lab LAB-2 / Sheffield Lab LAB 2First yearLP, Album, Limited Edition · Limited | LP, Album, Limited Edition · Limited |
| 1975 | US | Sheffield Lab LAB-2 / Sheffield Lab LAB 2First yearLP, Album, Limited Edition · Limited | LP, Album, Limited Edition · Limited |
| 1975 | US | Sheffield Lab LAB-2 / Sheffield Lab LAB 2First yearLP, Album, Limited Edition, Stereo · Limited | LP, Album, Limited Edition, Stereo · Limited |
| 1975 | US | Sheffield Lab LAB-2First yearLP, Album, Limited Edition · Limited | LP, Album, Limited Edition · Limited |
| 1975 | US | Sheffield Lab LAB-2 / Sheffield Lab LAB 2First yearLP, Album, Limited Edition, Stereo · Limited | LP, Album, Limited Edition, Stereo · Limited |
| 1975 | US | Sheffield Lab LAB-2 / Sheffield Lab LAB IILP, Album, Test Pressing · Test pressing | LP, Album, Test Pressing · Test pressing |
| 1975 | US | Sheffield Lab LAB-2First yearLP, Album, Limited Edition · Limited, Colored vinyl | LP, Album, Limited Edition · Limited, Colored vinyl |