Mackie 4-Channel Digital Graphic Equalizer
Quad EQ
The Mackie Quad EQ employs 4 - 30-band graphic, Adaptive-Q
Equalizers to provide equalization 12dB using 30 individual EQ filters, without
the ripple and boosting effects found on traditional (Constant-Q) units. These
Adaptive-Q filters and super-accurate LED display ladders paint a highly
detailed picture of the Quad EQ's effect on the output signal. In other words,
what you see in the display is what you get.
Of course, if you're the type of person that likes to measure and analyze, you'd
really want to get a mic and an RTA unit. For the first time, sound-pressure
level (SPL) and SMAART real-time analyzer (RTA) meters are no longer expensive
add-ons, but part of a fully integrated, user-friendly package. The Quad EQ
includes an SIA reference mic, as well as a dedicated reference mic input. Once
plugged in, SPL can be displayed via a bright 3-digit display in the upper right
corner. Or simply press the mic button and the RTA will display what's going on
in the room, on the same ultrabright ladders as the EQ filters. In this way, you
can simultaneously view your EQ settings versus what the results are. And RTA
data is post EQ, so if you encounter feedback, you can quickly see it, cut it,
and view the results.
Mackie also added some features live sound folks will really appreciate: 99 user
snapshots to store and recall your EQ settings; a built-in pink noise generator;
variable hi and low pass filters with multiple slopes on all 4 channels; stereo
linking of channels A/B and C/D; high-quality TRS and XLR input/output, and a
Planet Earth power supply for use anywhere between 100 and 240V.
People are really attracted to sound engineers who know how to operate equipment
with lots of flashing lights, so the Quad EQ was especially designed with plenty
of lights. (Heh!)
Mackie Quad EQ 4-Channel Digital Graphic
Equalizer Features:
- 4 - 30-band, Adaptive-Q graphic equalizers
- Algorithms developed, tuned, and trained by Acuma Labs digital
engineering group
- Special EQ algorithm developed for accurate representation of EQ
settings
- Easy-to-use front panel designed for intuitive live use
- Measurement microphone included
- Pink noise generator
- RTA of input signals or mic measurement signal
- Simultaneous EQ and RTA display
- Variable high-pass and low-pass filters for each channel
- A, B, and C-weighted SPL meter
- 99 snapshots for instant recall of settings
- Stereo Linking of channels A and B, C and D
- XLR and TRS I/O connections
- 2RU rackmount, rugged and reliable design
- "Planet Earth" power-supply operates on voltages between 100 and 240 VAC
- Standard IEC power receptacle and power cord
- Slightly minty
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