Mackie MR8 Owner's Manual - Page 11

Owner's Manual Appendix B: CONNECTORS XLR Connectors XLR connectors are used to make balanced connections to the MR8. They are wired as follows, according to standards specified by the AES (Audio Engineering Society). SHIELD 2 HOT 1/4" TS Phone Plugs and Jacks "TS" stands for Tip-Sleeve, the two connections available on a mono 1/4" phone jack or plug. They are used for unbalanced signals. It is okay to connect an unbalanced 1/4" phone plug into the 1/4" TRS phone jack on the MR8. SLEEVE SLEEVE TIP XLR Balanced Wiring Pin 1 = Shield Pin 2 = Hot (+) Pin 3 = Cold (-) COLD 3 1 SHIELD 1 COLD 3 2 HOT 1 3 2 SHIELD COLD HOT 1/4" TRS Phone Plugs and Jacks "TRS" stands for Tip-Ring-Sleeve, the three connections available on a stereo 1/4" or balanced phone jack or plug. TRS jacks and plugs are used to make balanced connections to the MR8. RING SLEEVE SLEEVE RING TIP TIP TIP SLEEVE 1/4" TS Unbalanced Wiring: Sleeve = Shield Tip = Hot (+) RCA Plugs and Jacks RCA-type plugs (also known as phono plugs) and jacks are often used in home stereo and video equipment and in many other applications. They are unbalanced and electrically equivalent to a 1/4" TS phone plug. SLEEVE TIP SLEEVE TIP RCA Unbalanced Wiring: Sleeve = Shield Tip = Hot TIP RING TIP SLEEVE 1/4" TRS Balanced wiring: Sleeve = Shield Tip = Hot (+) Ring = Cold (-) Owner's Manual 11