Mackie Onyx 1640i Owner's Manual - Page 13
Ctrl-rm Out, Sub Outs, Aux Returns 1-4, Aux Sends 1-6, Recording Outs, Turd Polisher - how the gain works
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16. CTRL-RM OUT These 1/4" TRS jacks provide balanced left and rightline-level outputs to run studio monitors in the control room. Connect these outputs to the inputs of an amplifier, powered speakers, or recording device. The source that plays in the control room, headphones, and meters can be selected using the switches [44, 45] in the control room/phones source matrix: • The main mix, if main mix is selected as the control room/phones source • Tape outputs, if tape is selected • Sub outputs if sub outs 1-2 / 3-4 is selected • A 2-track FireWire feed from your computer if FW 1-2 is selected • A combination of all four above Except for main mix, whatever is playing in these outputs can also be routed to the main mix if assign to main mix [46] is engaged. The main mix input to the control room is disconnected if assign to main mix is engaged. The headphones and meters play the same program as the control room. The meters show the levels prior to the control room and phones level controls. Control-room out is long for ctrl-rm out, which translated from the ancient language of the Pacific NorthWestern I-405 corridor people means "I'll have a double latté with chocolate sprinkles, and a bagel with cream cheese, and I agree, it does look like it will start raining again, but it might stop in time for the Mariners game." 17. SUB OUTS These 1/4" TRS jacks are usually patched to the inputs of a multitrack deck, or to secondary amplifiers in a complex installation. 18. AUX RETURNS 1-4 These 1/4" TRS stereo input connectors allow you to add the stereo processed output from external effects processors or other devices to the main mix. Level adjustment of the incoming signals is made with the aux return controls [59]. You can also use these inputs to add any stereo linelevel signals to your main mix, so it could be another line-level source, not just an effects processor. If you are connecting a mono source, use the left (mono) aux return input, and the mono signals will appear on both sides of the main mix. 19. AUX SENDS 1-6 These 1/4" TRS connectors allow you to send balanced or unbalanced line-level outputs to external effects devices, headphone amplifiers, or stage monitors. These could either be passive stage monitors powered by an external amplifier, or powered stage monitors with built-in power amplifiers. All six auxes are independent of each other, so you can set up to six separate aux mixes. The aux sends can either be pre or post fader, depending on the position of the pre/post switches [56]. For stage monitor work, use pre, so the stage monitors do not increase in volume when the channel level is adjusted. Imagine how upsetting that can be to big hairy drummers. This allows you to set up the monitor mix and levels just right, and not have it change every time a channel level is adjusted. For external processors, use post. In this way, the feed to external processors will vary with the channel level, so the level of any returned effect (like an echo) will also change if the channel level is changed, keeping them in the same ratio (wet/dry). 20. RECORDING OUTS These two DB-25 connectors provide balanced direct outputs for channels 1-8 and 9-16, respectively. They are designed to be connected directly to a recorder's analog inputs, and use the TASCAM standard pinout for analog signal connections (the same standard used on the previous generation Onyx 1640 and other legendary Mackie products). The signal at the Recording Outs comes from one of two places: (1) with the FireWire Send button [27] in the pre position (disengaged) the tap is just after the input gain control [26] and Low-Cut switch [23], but before the insert jacks [6] and EQ [29-34]. This way you may EQ a channel, connect a compressor or other dynamics processor to the insert jack [6], and adjust the channel fader to suit your live mix, but it has no effect on the signal going to the recorder. (2) With the FireWire Send button [27] in the post position (engaged) the tap is after the input gain control [26], Low-Cut switch [23], insert jacks [6] and EQ [29-34]. This way you may EQ a channel, connect a compressor or other dynamics processor to the insert jack [6], adjust the channel fader to suit your live mix, and your dynamics processor and EQ settings are sent to the recorder (but not your fader adjustments). Having these two options on a per-channel basis provides maximum flexibility for the mixdown stage. See Appendix B (Figure H) for a wiring diagram of these connectors. 21. TURD POLISHER If the songs are no good, engage this switch to polish them up. It will instantly transform your songs to Top-40 status without all of the hard work. Congratulations, you just polished a turd! Owner's Manual 13