DJ Essentials: Allen & Heath Triple Filter

In my experience DJing with Live, I am constantly trying to recreate ways in which a traditional DJ setup works, so that I can perform all of the same functions as someone using any of the common DJ mixers found in clubs today.

For this article, I would like to focus on the classic Allen & Heath Triple Filter. We will start by breaking down this particular way of interfacing with a filter, and then we will recreate it in Ableton.

So if we check out the Allen&Heath filters on either the Xone:92 or Xone:DB4 , it has the following physical parameters:
- Frequency
- Resonance or Q
- Separate filter engage buttons for Low Pass, Band Pass, and Hi Pass filters.

It should be noted that you can only select one filter type at a time. This is due to the fact that they are routed in series. We will discuss more on the advantages and disadvantages of using filters in series and in parallel in another article.

Let’s see how it works in Ableton

First, we need an Audio Effect Rack. Go ahead and grab the rack from the browser and place it on the device chain of an empty audio track.

Next, grab an Auto Filter from the browser and place it in the Device section of the Effect Rack. Then duplicate the filter twice, so that we end up with three instances of Auto Filter in series on the same chain of the Effect Rack.

Now, we need to adjust the filter type settings of each filter and route them in this order, LPF, BPF, and HPF.

Now that we have our filters in place, it is time to map the macros. Pay special attention to how I arrange the macros as it is optimized for those utilizing the custom APC 64-40 python script created by Hanz Petrov.

Map all of the filters’ Resonance/Q parameters to Macro 1, and map all of the filters’ Frequency parameters to Macro 5.

Pro Tip: To save time and mouse clicks, you can right click on any effect’s parameters, while the effect is placed within a rack, to map it to a macro.

Finally, map the “On/Off” buttons of the filters as follows: LPF -> macro 6, BPF -> macro 7, and HPF -> macro 8.

Et Voila! Now we have a fully functional Allen & Heath Style Triple Filter. Now let me explain why I mapped it like I have.

My Reasoning

If you have an APC controller, you can use the auto mapping functionality of the Device Control knobs to control this rack. However, if you are going to use physical knobs to control the “On/ Off” function of the filters, I recommend that you change the Min and Max values in the Effect Rack’s mapping settings.

Set them as follows: Min = 1, Max = 0. This way you won’t have to turn the knob very far to engage the effect.

Pro Tip: Any time that you want to map a button parameter to a macro, AND you plan on using a knob to control this macro, set the min and max values in this way: Min = 1, Max = 0.

Remember that you can map any of Ableton’s software knobs to physical buttons on your MIDI controller, and you can map any of Ableton’s software buttons to physical knobs on your midi controller. Just remember to adjust the min and max settings accordingly.

Be sure to check out other articles in the series DJ Essentials to see how to construct other devices for live performance. Thanks for choosing

This rack will work for Live 7.0.18 or higher.

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