Mackie DLM12 Owner's Manual - Page 12
Channel 1 and 2 Buttons, Level, Channel Equalization (EQ), Low, Mid, High, FX Send, 12. Front - full range powered loudspeaker
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DLM8/12 Powered Loudspeakers DLM8/12 Loudspeaker: Rear Panel Features continued... 11. Channel 1 and 2 Buttons Press the Channel 1 or 2 button repeatedly until the parameter you want to change (for that channel) is highlighted: • Level • Low • Mid • High • FX Send [Reverb, Chorus, Delay] Once the parameter you want to change is highlighted, press the + or - button [16] repeatedly until you have achieved the perfect parameter value. Let's take a more detailed look at each of the five input channel parameters: Level: Level adjusts the overall signal level at the inputs to the built-in power amplifiers. It ranges from off (- dB) to +10 dB. Channel Equalization (EQ): Low: The low EQ provides up to 15 dB of boost or cut below 80 Hz. The circuit is flat at the center position. This frequency represents the punch in bass drums, bass guitar, fat synth patches, and some really serious male singers who eat raw beef for breakfast. This band changes incrementally by ±3 dB. Mid: Short for "midrange," this EQ provides up to 15 dB of boost or cut, centered at 2.5 kHz, also flat at the center position. Midrange EQ is often thought of as the most dynamic, because the frequencies that define any particular sound are almost always found in this range. You can create many interesting and useful EQ changes by turning the mid EQ down as well as up. This band changes incrementally by ±3 dB. High: The high EQ provides up to 15 dB of boost or cut above 12 kHz, and it is also flat (no boost or cut) at the center position. Use it to add sizzle to cymbals, an overall sense of transparency, or an edge to keyboards, vocals, guitar and bacon frying. Turn it down a little to reduce sibilance or to mask tape hiss. This band changes incrementally by ±3 dB. FX Send: This control sends the channel input to the built-in FX processor. The 16 built-in FX may be selected from the SYS screen [13]. Reverb, chorus and delay make up the 16 choices. The chosen effect is global. Be sure to check out a more detailed description of each effect in Appendix B. Both DLM input channels have 3-band EQ with shelving high, peaking mid and shelving low. Shelving means that the circuitry boosts or cuts all frequencies past the specified frequency. For example, the low EQ boosts bass frequencies below 80 Hz and continuing down to the lowest note you never heard. Peaking means that certain frequencies form a "hill" around the center frequency. With too much EQ, you can really upset things. We've designed a lot of boost and cut into each equalizer circuit because we know that everyone will occasionally need that. But if you max the EQ on every channel, you'll get mix mush. If you find yourself repeatedly using a lot of boost or cut, consider altering the sound source, such as placing a mic differently, trying a different kind of mic, a different vocalist, changing the strings, or gargling. 12. Front LED On / Limit / Off Pressing the channel 1 and channel 2 buttons [11] simultaneously gives you the option to turn the front LED on, off or limit. Press the + or - button [16] to make a choice, followed by any other button to exit the screen. Choosing limit means the LED is on full-time. However, it will flicker when the limiter is active [3 dB of attenuation, averaged]. 12 DLM8/12 Powered Loudspeakers