DEQX User Manual
1.1 SYSTEM CONFIGURATIONS
The DEQX® Preamp Processor is a powerful and flexible tool. In its first mode of
operation, the DEQX acts as preamp, DAC, and correction processor for a conventional
pair of full range
speakers. The diagram on the previous page illustrates a typical
system configuration. The speakers usually contain multiple transducers, or drivers, and
a passive crossover that divides the frequency range between the drivers. The DEQX
also integrates either mono or stereo subwoofers.
In that mode of operation, known as “single amp” in this manual, the DEQX and its
accompanying DEQX-Cal™ software calibrate the speaker, correct for the room, and
provide a fine-grained Preference EQ for different listening situations, media, and even
for individual recordings.
In its more advanced “HD-active speaker” mode of operation (applicable to HDP
models only), the DEQX also implements steep linear-phase active crossovers between
the individual drivers in the speaker. Used by speaker designers and advanced
enthusiasts, this third-generation active speaker architecture takes the passive
crossovers out the equation completely, allowing complete optimization of the
individual transducers by the DEQX. This diagram illustrates:
By “full range,” we are referring to the frequency range covered by the speaker – nominally
20 Hz to 20 kHz, although few speakers (without subwoofers) extend as low as 20 Hz.
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