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Chapter 14. Effects -- Close Up > CF-101 Chorus/Flanger - Pg. 312

The PH-90 has four adjustable notches in the frequency spectrum that can be modified by way of seven parameters: Freq--This knob assigns the frequency of the first notch. Once this is set, the remaining three notches will move in parallel within the frequency spectrum. Split--This knob changes the distance between each notch. This alters the character of the overall effect. Width--This knob adjusts the width of the notches. Increasing this parameter creates a very deep effect while also making the overall sound hollow. LFO Rate--This knob controls the modulation rate of the LFO. Increasing this parameter speeds up the frequency of oscillation. LFO Sync--This button synchronizes the LFO Rate to the tempo of the Reason sequencer. Note that when this button is activated, the LFO Rate knob displays note values rather than the standard numeric value. LFO F.Mod--This knob assigns the depth of LFO modulation. Feedback--This knob is used to alter the tone of the phaser, much in the same way as a resonance knob on a filter. The Matrix Pattern Sequencer can also modify the PH-90. Press the Tab key to flip the Device Rack and you will find two CV inputs, one for the LFO Frequency, and one for the LFO Rate parameter. Just route the Curve, Note, or Gate CV outputs of the Matrix to either of these parameters and experiment. Here's an exercise to demonstrate how to use the PH-90 with Dr:rex. Be sure to create a new song, and load it with a reMix and Dr:rex. Also, load a REX file and send it to its sequencer track: 1. Select the Dr:rex by clicking on it once, and then select PH-90 Phaser from the Create pull-down menu. This will automatically connect the PH-90 to the Dr:rex to be used as an insert effect. Click on Play and you will hear the PH-90 in action. By default, it already sounds great, but it would probably sound even better if it was synced up to the tempo of the Reason song. Click on the Sync button to synchronize the PH-90 effect with the song tempo. Then adjust the Rate knob until it reads 4/4, which means that the phasing effect will recycle every bar. Adjust the Split knob to 0 and notice the extra sweep that has been introduced to the low end. Adjust the Width knob to its maximum setting and you will notice that the high and low frequencies are accented, but not the mid frequencies, which makes the overall sound hollow. Finally, adjust the Feedback knob to add a singing tone to the mix. 2. 3. 4. 5. 6.