Kelsey SPL core colour pin assignment for Neutrik Speakon connectors
| Core Colour | Speakon Pin Assignment | ||
| 2-Pin | 4-Pin | 8-Pin | |
| Red | 1+ | 1+ | 1+ |
| Blue | 1- | 1- | 1- |
| Green | 2+ | 2+ | |
| Yellow | 2- | 2- | |
| White | 3+ | ||
| Black | 3- | ||
| Brown | 4+ | ||
| Magenta | 4- | ||
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| Core Colour | Speakon Pin Assignment | ||
| 2-Pin | 4-Pin | 8-Pin | |
| Red | 1+ | 1+ | 1+ |
| Blue | 1- | 1- | 1- |
| Green | 2+ | 2+ | |
| Yellow | 2- | 2- | |
| White | 3+ | ||
| Black | 3- | ||
| Brown | 4+ | ||
| Magenta | 4- | ||

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