Understanding reverb and how to use it properly in your mix.
Reverb is one of the most powerful effects in music production, but it is also one of the easiest to overuse. It can add depth, space, warmth and realism to a mix, but it can also quickly create muddiness, loss of clarity and unwanted noise if the settings are wrong.
This tutorial is designed to help you understand how reverb works, what the main reverb controls do, which types of reverb to use in different situations, and how to troubleshoot common reverb problems in your mix.
Rather than randomly turning knobs until something sounds right, the aim is to take a more direct and logical approach. Once you understand what each setting is doing, it becomes much easier to fix reverb problems and make better creative decisions.
- What is reverb?
- Reverb settings and controls
- Which reverb to use and when
- Keeping reverb simple
- Reverb troubleshooting guide
- Benefits of using reverb
- Creative reverb effects
This guide contains practical advice on how to use reverb for producers at different levels. If you already understand the basics and want faster mix decisions, you may also find our Perfect Reverb Settings for Your Mix tool useful.
What Is Reverb?
Reverb is the sound of reflections from the space around you. When a sound is created, it travels outward and reflects from surfaces such as walls, floors, ceilings, furniture and other objects. These reflections reach your ears at different times, with different tones and levels depending on the size and material of the space.
A large hall creates a very different reverb from a small bedroom. A tiled bathroom reflects bright high frequencies, while a treated studio absorbs more of the sound and creates a tighter, more controlled environment.
This is why reverb is so important in mixing. Without reverb, close-mic’d recordings can feel dry, flat or disconnected. Used well, reverb can place sounds into a believable space and help the mix feel more natural.
Used badly, reverb can push sounds too far back, blur the rhythm, reduce punch and make the whole mix feel muddy.
Reverb Settings and Controls
Before choosing the best reverb settings for a vocal, drum, synth or full mix, it helps to understand the main controls found on most reverb plugins and hardware units.
Different reverbs may use slightly different names, but the basic ideas are usually similar.
Reverb Type
The reverb type is the simulated space or reverb technology being used. Changing the reverb type can affect the size, tone, decay, early reflections, width and overall character of the sound.
Large reverbs include halls, churches and cathedrals. These usually work well for slower tracks, sparse arrangements, pads, strings, ambient music and long sustained sounds.
Medium reverbs include rooms and chambers. These can be useful for vocals, drums, guitars, keys and general mix depth.
Short reverbs are often based on small rooms or early reflections. These can add space without washing out the mix.
Special reverb types include plate reverb, spring reverb and slapback-style effects. These are useful when you want more character rather than a realistic room sound.
Reverb Size and Decay Time
Reverb size relates to the virtual space being created. A larger space usually creates a longer and more spacious reverb tail, while a smaller space creates a shorter and tighter sound.
Decay time controls how long the reverb takes to fade away. Longer decay times can sound warm, wide and atmospheric, but they can also make a busy mix feel muddy. Shorter decay times keep things tighter and are often better for fast tempos or dense arrangements.
You can think of decay as the release stage of the reverb. It controls how long the space hangs around after the original sound has finished.
Early Reflections
Early reflections are the first reflections you hear after the dry sound. They happen before the main body of the reverb tail develops.
These early reflections give your ears important information about the size and character of the space. A small room will create fast early reflections, while a large hall will create a longer gap before the reflections return.
Increasing early reflections can help a sound feel like it is in a real space without adding a huge reverb tail.
Filter and EQ
EQ and filtering are essential for keeping reverb under control. Reverb can easily build up in the low end or add harshness in the high frequencies, especially when used on multiple instruments.
Most reverb plugins include built-in EQ or filter controls, but you can also place EQ before or after the reverb in your effects chain.
As a general starting point, try removing some low frequencies before the sound hits the reverb. This can stop the reverb from muddying the mix. You can also reduce harsh high frequencies if the reverb sounds too bright or noisy.
Pre-Delay
Pre-delay controls the time between the original dry sound and the start of the reverb. This is one of the most useful controls for creating depth and clarity.
A short pre-delay makes the reverb start almost immediately, which can make the sound feel further back or more blended into the space.
A longer pre-delay allows the dry sound to come through first before the reverb begins. This can help preserve clarity, especially on vocals, leads, snares and other important sounds.
Using slightly different pre-delay settings on different instruments can help place them at different depths in the mix without needing lots of different reverb types.
Damping
Damping controls how much high-frequency energy is absorbed as the reverb decays.
Think about the difference between clapping in a tiled bathroom and clapping in a treated studio. The bathroom sounds bright and reflective, while the studio sounds tighter and more controlled.
Increasing damping can make the reverb darker, warmer and less harsh. This is useful when the reverb is adding too much brightness, noise or splashy high-end.
Diffusion
Diffusion controls the density of the reverb reflections. Higher diffusion creates a thicker, smoother and richer reverb. Lower diffusion can make the reverb thinner and less dense.
If your reverb is making the mix feel muddy or crowded, reducing diffusion can sometimes help create more space.
If the reverb feels too thin or disconnected, increasing diffusion can make it sound fuller and more blended.
Mix / Wet and Dry
The mix control changes the balance between the dry sound and the reverb sound.
At 0% wet, you only hear the dry signal. At 100% wet, you only hear the reverb signal.
If you are using reverb directly on an individual channel, you will usually use a lower wet amount. If you are using reverb on a send or bus, the reverb is usually set to 100% wet, and the send level controls how much reverb is added.
Which Reverb Should You Use?
Choosing the right reverb depends on the tempo, genre, arrangement density, instrument type and the overall mood of the track.
A fast, aggressive punk guitar is unlikely to benefit from a huge dark cathedral reverb. It would reduce clarity, soften the attack and make the performance feel less direct. In this situation, a short room, plate or slapback-style reverb would usually make more sense.
On the other hand, a slow violin part, ambient pad or spacious guitar solo can work beautifully with a large hall or warm long reverb.
As a general rule, faster and denser mixes often need shorter reverbs. Slower and more spacious mixes can usually handle longer reverbs.
Large Reverbs
Large reverbs such as halls, churches and cathedrals work well when you want space, depth and emotion.
They are useful for:
- Slow-tempo music
- Sparse arrangements
- Ambient music
- Pads and sustained chords
- Strings and cinematic sounds
- Slow piano or guitar parts
Short Reverbs
Short reverbs such as rooms, plates and early reflection-based reverbs work well when you want space without washing out the mix.
They are useful for:
- Fast tempos
- Dense mixes
- Drums and percussion
- Rock guitars
- Funk plucks
- Rhythmic piano or keys
Keeping Reverb Simple
Most modern producers have access to a huge range of reverb plugins, presets and simulated spaces. This can be useful, but it can also make the process more confusing.
Before creating this guide, my approach to reverb was often to load several different reverbs, cycle through presets and send different instruments to different effects until something worked. Sometimes this gets results, but it is chaotic and inconsistent.
Keeping things simple gave me much better results.
Using one or two main reverbs can help the whole mix feel like it belongs in the same environment. Instead of using completely different reverbs on every instrument, try using the same reverb and changing the pre-delay, EQ or send level for each sound.
This creates depth without making the instruments feel disconnected from each other. For me, this was a bit of a reverb breakthrough and it is a technique I come back to again and again.
You can take this further by making small changes to EQ, early reflections and pre-delay on individual instruments while keeping the overall reverb style consistent.
Warren Huart from Produce Like A Pro demonstrates this idea below:
Reverb Troubleshooting Guide
This section covers some of the most common problems I run into when using reverb, along with the settings that can help fix them.
Common reverb problems include:
- Loss of clarity
- Muddy low-end build-up
- Reduced punch
- Too much brightness or noise
- Reverb sounding unnatural
- Instruments feeling like they are in different spaces
Problem: Reverb Makes the Mix Muddy
If reverb is making your mix sound muddy, the reverb is probably taking up too much space or building up in the low-mid and low-frequency range.
Try a shorter decay time. Long reverb tails can overlap with other instruments and blur the mix.
Use a smaller reverb type. A room or plate may work better than a large hall in a busy arrangement.
EQ the reverb. High-pass the reverb return to remove unnecessary low-end build-up.
Reduce diffusion. Lower diffusion can thin out the reverb and stop it from becoming too dense.
Sidechain the reverb. Ducking the reverb slightly when the dry sound plays can improve clarity while keeping the sense of space.
Problem: Reverb Does Not Sound Natural
If the reverb sounds unnatural, one common reason is that too many different reverb types are being used across the mix.
A vocal may sound like it is in a chamber, the drums may sound like they are in a small room, and the strings may sound like they are in a huge hall. Individually, the sounds might work, but together they can feel disconnected.
Try limiting the number of reverbs in the mix. Use one main reverb to create a shared space, then use pre-delay, EQ and send levels to position each instrument differently within that space.
This can make the mix feel more natural and help the instruments gel together.
Problem: Reverb Adds Too Much Noise or Brightness
If the reverb is adding harshness, hiss or too much brightness, the high frequencies may need controlling.
Increase damping. This darkens the reverb tail and makes it feel less splashy.
Use EQ or filters. Reduce harsh high frequencies before or after the reverb.
Try a smaller reverb. Shorter reverbs decay faster and are less likely to create obvious noise.
Reduce the reverb level. Sometimes the simplest fix is just turning the reverb down.
Lower diffusion if needed. A less dense reverb can sometimes sit more quietly in the mix.
Problem: Reverb Takes Away Punch
Reverb can soften transients and make drums, guitars or plucked sounds feel less direct.
If the sound has lost punch, try using a shorter decay time, less wet signal or a longer pre-delay. This allows the dry sound to hit first before the reverb begins.
You can also EQ the reverb so it does not compete with the main body of the sound.
Benefits of Using Reverb
Reverb can create problems, but it can also completely transform a mix when used properly.
The main benefits of using reverb are:
- Adding depth
- Creating warmth
- Adding excitement
- Helping sounds feel more natural
- Making dry recordings feel connected
Adding Depth
Reverb helps place sounds closer or further away in the mix.
Pre-delay is especially useful for this. Shorter pre-delay usually makes a sound feel more blended into the space, while longer pre-delay keeps the dry sound more forward before the reverb appears.
Adding Warmth
Larger reverbs with longer decay times can make slower tracks feel warmer and more emotional.
Damping and EQ are important here. Rolling off some high frequencies can stop the reverb from sounding too bright and help create a smoother, warmer tail.
Adding Energy and Impact
Reverb can add energy when used carefully. Chambers, plates and bright rooms can make drums, vocals or short impacts feel more exciting.
Higher diffusion can create a denser, richer reverb sound, which can work well on drums and percussive hits when you want impact and character.
Making Sounds Feel Natural
Dry close-mic’d recordings can sometimes feel unnatural because they lack the sound of a real space.
Reverb gives you control over that space. Using fewer reverb styles and adjusting pre-delay, EQ and send levels can help instruments sound like they belong together in the same environment.
Creative Reverb Effects
Reverb is not only useful for creating realistic spaces. It can also be used as a creative sound design tool, especially in electronic music, film sound design, techno, trance, ambient and experimental genres.
Pumping Sidechain Reverb
Sidechaining the reverb to another element, such as a kick drum, can create a pumping effect often used in electronic music.
You can also sidechain the reverb to the original dry sound. This lowers the reverb slightly while the dry sound is playing, then lets the reverb rise back up afterwards. This keeps the sound clear while still adding space.
Pitched Reverb
Another creative technique is to bounce the reverb signal and pitch it up by an octave.
This can help separate the reverb from the original sound because it is no longer fighting for exactly the same frequency space. It can also create a brighter, more unusual texture.
Oscar from Underdog demonstrates this technique below:
Reverse Reverb
Reverse reverb is created by printing or bouncing the reverb signal, reversing it, and placing it before the original sound.
This is useful for build-ups, breakdowns, transitions, vocal effects and atmospheric moments.
Richie from Dirty Secrets covers this technique in more detail below:
Final Reverb Takeaway
Reverb is not just something you add at the end of a mix to make things sound bigger. It controls space, depth, tone, width and how connected the instruments feel.
If your reverb is causing problems, try to work logically. Ask what the issue is first. Is the mix muddy? Is the reverb too bright? Is the sound losing punch? Does the instrument feel like it is in the wrong space?
Once you know the problem, the fix becomes much clearer. You can adjust decay time, pre-delay, damping, diffusion, EQ, reverb type or send level with a purpose instead of guessing.
Keeping reverb simple is often the best approach. One or two well-controlled reverbs can do more for a mix than ten different reverbs fighting against each other.
For more guides on EQ, compression, reverb, mixing decisions and mastering, visit our Mixing and Mastering Tutorials.