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 Mackie
Quad EQ
Four channel Digital Graphic EQ
The Mackie Quad EQ is a four 30 band, precision digital "Adaptive-Q"
Graphic Equalizer. The Quad EQ can store and recall up to 99 user-definable
presets and includes built-in EAW SMAART® Analysis Tools including
RTA, SPL meter, Pink noise generator and dedicated reference mic input
and RTA420 mic.
Additionally, the Quad EQ is the only four-channel equalizer in this
class that offers simultaneous display of both EQ and RTA. Housed in a
rugged metal chassis, the Mackie Quad EQ is ready to tame any acoustic
environment and is equally at home in your studio or on the road.
Four Channels of 30-Band Adaptive-Q Equalization
The Quad EQ employs four 30-band, graphic equalizers that provide +/-
12dB using 30 individual Adaptive Q filters. These innovative filters
overcome the ripple and additive artifacts found when utilizing adjacent
constant-Q filters. These high-resolution filters, along with super-accurate
LED display ladders, paint an extremely detailed picture of the Quad EQ
in action. As you dial in EQ changes, you instantly see the impact those
changes have on the output.
EAW SMAART Analysis Tools
A pink noise generator, sound-pressure level (SPL) and SMAART RTA
meters are part of this fully integrated package. The Quad EQ includes
a bundled RTA-420 reference microphone, 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 built-in RTA will display what's going on in the room, on the same
ultra-bright ladders as the EQ filters.
Seeing is Believing
Using bicolor LEDs to display the EQ function in red, and the RTA in green,
you can see how an EQ change affects the output signal. You get instantaneous
visual affirmation that your EQ changes are getting the job done. And
since the RTA data is post EQ, should you encounter feedback, you can
quickly find it, cut it, and view the results.
Even More Digital Advances
The Quad EQ's superior processing power is due to its SHARC® (Super
Harvard Architecture) chipset. The Quad EQ also features: 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 four channels;
Stereo Linking of channels A/B and C/D; lockable parameters; high-quality
TRS and XLR input/output; and a Planet Earth power supply for use anywhere
between 100 and 240v.
Versatility
Ideally suited for live environments, the Quad EQ can be configured for
a variety of specific applications. Since channels can be stereo-linked,
a typical application might have channels A/B linked for stereo front
of house, with channels C and D running independent of each other. In
this manner, EQ changes to FOH occur simultaneously, while channels C
and D are free to function as separate monitor EQs. Or, you could opt
to run mono front of house with three separate monitor feeds. No matter
what type of configuration you run, you still have access to the RTA and
SPL meter tools.
Features
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