# Distortion

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### Overview

The **Distortion** effect is an analog-inspired harmonic processor that can produce everything from warm saturation to broken tube-style distortion. It also includes filtering and tone controls for precise control of the effect’s color and frequency range.

<figure><img src="/files/X7jZRUJ0izEGE8HXYGhf" alt=""><figcaption></figcaption></figure>

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### 1. Effect Dropdown&#x20;

The **Effect Dropdown** lets you remove or swap the effect and load or save sub-presets. See [**Shared Settings**](/evoke-manual/effects-rack/shared-settings.md) for dropdown options and detailed descriptions.

### 2. Filter Controls&#x20;

These controls affect the variable-width band-pass filter placed before the distortion stage. Use them to focus on specific frequencies, reduce low end, or produce warmer effects.

These settings can also be adjusted by switching the **Display Tabs** to reveal the draggable **Filter Display**.

**Filter Frequency.** Sets the center frequency of the band-pass filter where the distortion is most pronounced.

**Filter Width.** Adjusts the bandwidth around the center. Narrow settings isolate the distortion to a small band; wider settings let more of the original signal through, producing more harmonic content.

### 3. Distortion Display

The **Distortion Display** visualizes the distortion’s response in real time as you adjust parameters.

Switch the **Display Tabs** to reveal the **Filter Display**, which provides a draggable filter response for adjusting the distortion’s filter settings.

### 4. Distortion Controls&#x20;

**Drive.** Adjusts the amount of gain applied before distortion. Lower values produce more subtle saturation, while higher values produce more intense distortion. **Drive** also interacts with both **Crush** and **Bias** in interesting ways.

**Crush.** Introduces additional nonlinear processing that can cause dropouts and additional compression. Higher settings can produce unpredictable effects, especially when combined with higher **Drive** and **Bias**.

**Bias.** Applies asymmetry to the distortion curve, adding more even-order harmonics similar to analog tubes. Ideal for warmer saturation at lower **Drive** settings or overdriven-tube behavior at higher **Drive** settings.

**Tone.** Tilts the frequency balance toward higher or lower frequencies to adjust the harmonic balance and color of the distortion.

### 5. Mix Controls&#x20;

**In.** Sets the level of the wet signal path before processing. Use it to drive the distortion harder or softer.

**Out.** Sets the final level after processing and dry/wet mixing. Use for additional gain compensation if needed.

**Mix.** Blends the unprocessed (dry) and processed (wet) signals. Use for parallel distortion effects.


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