Mackie 406M Owner's Manual - Page 21
POWER switch, MAKING THE CONNECTIONS, Front Panel Connections, Connecting Microphones and Line-Level
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The TAPE IN LEVEL control ranges from off through unity (the center detent position) on up to +15 dB of extra gain. Note that this control only affects the TAPE IN level and not the TAPE OUT level (there is no tape out level control). The TAPE OUT level is pre-fader (actually pre-Master in this case) and is not affected by the MAIN MASTER control. POWER switch The POWER switch is located on the rear panel of the mixer, near the linecord socket. Switch up to turn the mixer on, and switch down to turn it off. Caution: When using the TAPE OUT connectors for recording, don't connect the output of the tape deck to the TAPE IN connectors. If you do, MAKE SURE the TAPE IN LEVEL control is turned all the way down or you will create a feedback loop that will suddenly make you the focus of attention. 120 VAC 60HZ 320W ON POWER INSERT MAKING THE CONNECTIONS LINE Front Panel Connections Connecting Microphones and Line-Level Signals Each channel has both an XLR MIC input and a 1/4" TRS LINE input. In addition, the two stereo channels on the 408M, 408S, 808M, and 808S each have two 1/4" TRS line inputs, left and right . These two inputs are summed together in the 408M and 808M, and are routed to the left and right buses respectively in the 408S and 808S. You can plug a mono signal into the LEFT stereo input and the signal is automatically routed to both the left and right inputs. Mackie mixers have 3-pin female XLR connectors on all microphone inputs, so use a male XLR connector to connect to the mixer's mic preamps. The XLR and 1/4" TRS inputs are balanced analog inputs. When connecting a balanced signal using the XLR or 1/4" jacks, be sure they're wired - per AES (Audio Engineering Society) standards - like this: Hot (+) Cold (-) Shield (Ground) XLR TRS Pin 2 Tip Pin 3 Ring Pin 1 Shield SHIELD 2 HOT COLD 3 1 SHIELD 1 MIC 1 Mono Channel Strip LEFT/MONO STEREO MIC/ LINE HI-Z RIGHT RING SLEEVE SLEEVE RING TIP TIP Balanced 1/4" TRS Plug RING (COLD) TIP (HOT) SLEEVE (SHIELD) COLD 3 2 HOT 1 3 2 SHIELD COLD HOT MIC 8 Balanced XLR Connectors Stereo Channel Strip 21