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The AE400 is an advanced active equalizer suitable for music production, post production, and live sound.

The AE400 is made up of 4 bands of fixed and active equalization. Each band is completely overlapping with all other bands and has its own Q (bandwidth), fixed gain, and active gain controls. A key filter for each band allows the active gain response to be as selective or broad as needed, based on the Q (bandwidth) control. Each band can use the input signal or selected side chain signal to trigger the active EQ response.

The active EQ bands can be controlled via the response plot itself, or from the text readouts above and below the response plot. The AE400’s active EQ response is determined by each band’s threshold, attack and release settings. Additionally, a ratio control determines input signal level sensitivity to further articulate how the active EQ will reach maximum active equalization – a feature unique to the AE400.

Peak signal text readouts for each active EQ band’s key signal allow quick setup of each band’s active EQ threshold, and are located underneath band dynamics plots. Input and Output controls, individual band bypass, band control linking, and band key signal monitoring round out the features of the AE400.

Features
  • Four fully overlapping fixed and active EQ bands

  • Independent control over all fixed and active EQ parameters per band

  • Selectable EQ mode per fixed and active bands

  • Unique active EQ ratio response control

  • Side chain support

  • Double precision processing

  • Ultra low latency

  • Mono and stereo versions
Formats
  • HD v6: AAX DSP/Native, AU, VST

  • Native v6: AAX Native, AU, VST
Vocal Control
First EQ the vocal with the fixed EQ of the AE400. Then observe and note how the performance response changes on the louder portions. The key signal peaks, shown just below the IO curves for each active EQ band, will tip you off on where the most signal energy is going. Then make an according adjustment with some negative active EQ gain at a threshold just under these peak key levels to reduce the signal energy in those EQ bands.
Vocal Insertion
Route the main mix through the AE400, and the vocal into the side chain input. Sweep the key filters around in the AE400 (done from the ‘Key’ plot display button) to find what frequencies the vocal signal levels are at - use the key peak text read outs to assist in this effort, along with the key monitoring button (the speaker icon button).
Drum Buss
As mentioned in other application tips, first EQ the drums with the fixed EQ controls. Upon completing this task you will likely note where some ‘compression’ could be useful - on the kick, a touch on the snare perhaps. Using the active EQ gains, dial in some negative gain, maybe about 25% to 50% of the positive gain you added in the boosting of the kick drum. Lower the threshold until the active EQ is being triggered as shown by the bright white line across the AE400’s EQ plot response graphic. Adjust attack and release times as needed.
"The AE400 EQ is super versatile and it locks in the right frequencies."
Byron Brizuela
Multi-Platinum Producer/Composer
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The AE400 Active EQ is also included in the Everything Pack
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