Yamaha HS80M Owner's Manual - Page 6

English XLR-type Connector (Balanced) This is the type of connector most commonly used in professional equipment and installations. 3-pin XLR-type connectors like the ones provided on the HS-series monitors are primarily intended for use with balanced signals, and their solid design and construction ensures maximum electrical and mechanical reliability. Pin 2: Signal + or "Hot" Pin 3: Signal - or "Cold" Pin 1: Ground Pin 1: Ground Pin 3: Signal - or "Cold" Pin 2: Signal + or "Hot" Phone Jack (TRS, Balanced or Unbalanced) Ring: Signal - or "Cold" Tip: Signal + or "Hot" Sleeve: Ground Tip: Signal + or "Hot" Sleeve: Ground RCA Pin Jack The HS-series studio monitors also feature 1/4-inch phone jack connectors that can be used for either balanced or unbalanced connections. For balanced connection via these jacks you'll need to use balanced cables fitted with TRS phone plugs - threecontact phone plugs that are basically the same as standard stereo phone plugs with tip, ring, and sleeve contacts (thus the "TRS" designation - see the illustration on the left.) The phone jacks will also accept unbalanced signals -simply plug in a standard mono phone plug. But what if you want to connect equipment that only provides RCAtype pin connector outputs? The solution is simple enough: use either RCA-to-phone plug adaptors or RCAto-phone cables, and plug into the speaker's phone-jack inputs. input input C-R L R OUT L R ST OUT If you're connecting your HS speakers directly to a mixer such as one of the Yamaha MG-series mixers, they should usually be connected to the mixer's "C-R" (Control Room) outputs so that you can control the monitor level without affecting the level of the signal sent to the mixer's main bus, which will usually be feeding your recorder or DAW (Digital Audio Workstation) in a production type setup. MG Series 6 HS80M/HS50M/HS10W Owner's Manual