The Spotify-Ready Master: From Weak Mix to Radio Loud with Stock Plugins

Producer’s Note (The Golden Rule): Before you start this guide, go through your mix and lower the volume faders of every single track until the loudest part of your song makes the Master Output Channel peak at around -6dBFS. Yes, your track will sound quiet right now. That’s the entire point. We are creating space—or ‘headroom’—so our mastering plugins have room to work their magic. This discipline separates the amateurs from the pros.

Workbench: Building Your 3-Step Stock Mastering Chain

Here we go. On your Master Output channel, we are going to add three plugins in a very specific order. This is your fundamental mastering chain. The order is non-negotiable as each step prepares the audio for the next.

1. The Surgeon (EQ): First, we make corrective cuts to clean up mud and harshness.
2. The Coaxer (Glue Compressor): Next, we gently ‘glue’ all the elements of the track together into a more cohesive unit.
3. The Muscle (Limiter): Finally, we bring the overall level up to commercial, streaming-ready loudness.

Step 1: The Surgeon – Corrective EQ

Load your DAW’s stock EQ plugin first in the chain. We’re not trying to be creative here; we’re performing sonic surgery.

1. High-Pass Filter (The Mud Remover): Engage a high-pass filter and set it to around 30Hz. You won’t hear a massive difference, but you are removing useless sub-sonic rumble that eats up headroom and makes your speakers work for nothing. This is a universal pro move.
2. The Surgical Cut (The Boxiness Killer): Play your track and look for a significant, narrow buildup of energy in the low-mids, usually between 200Hz and 500Hz. This is often where mud lives. Grab an EQ band, give it a narrow Q (or bandwidth), and boost it significantly. Sweep it left and right through that 200-500Hz range. When you find a frequency that sounds particularly ugly or resonant (often described as ‘boxy’ or ‘honky’), you’ve found the problem. Now, instead of boosting, cut that frequency by about -1.5dB to -3dB with that same narrow Q. It’s like pulling a single dissonant thread out of a tapestry.
3. The Tame (The Harshness Tamer): Do the same thing in the high-mid range, around 2kHz to 5kHz. Sweep with a boosted narrow band to find any piercing or harsh frequencies. When you find the most painful spot, make a gentle cut of -1dB to -2dB. This prevents listener fatigue.

Step 2: The Coaxer – Glue Compression

Next in the chain, add your DAW’s stock ‘bus’ or ‘glue’ compressor. This is different from a standard compressor; it’s designed for subtle cohesion, not aggressive sound-shaping. (In Ableton, use the Glue Compressor. In Logic, use the Compressor and select the ‘Vintage VCA’ or ‘Studio VCA’ model).

Our goal is to make the whole mix ‘breathe’ together, gently taming the loudest peaks so they are closer in level to the quietest parts. This reduces the dynamic range and prepares it for the limiter.

1. Load the Glue Compressor after your EQ.
2. Set a Slow Attack: We don’t want to kill the punch of our drums. Set the Attack time to 30ms. This lets the initial transient of the kick and snare poke through before the compressor kicks in.
3. Set a Quick or Auto Release: Set the Release time to Auto if available. If not, a fast setting like 0.2s or 0.4s is a good starting point. This lets the compressor ‘let go’ in time with the music.
4. Set a Low Ratio: This is crucial. Use a very low ratio, like 2:1 or even 1.5:1. We’re looking for a gentle squeeze, not a stranglehold.
5. Dial in the Threshold: This is the most important step. With the track playing at its loudest section, slowly lower the Threshold knob until you see the gain reduction meter moving. You are aiming for just 1dB to 2dB of gain reduction. Any more than that on the master bus is too much. It should be a subtle, gentle hug.
6. Add Makeup Gain: Your track will now be slightly quieter. Add back the same amount of gain you’re reducing. If you’re getting 2dB of gain reduction, add +2dB of Makeup Gain.

Step 3: The Muscle – Limiting for Loudness

This is the final, and most critical, step. Add your DAW’s stock Limiter plugin LAST in the chain (e.g., Ableton’s Limiter, Logic’s Adaptive Limiter).

A limiter is a hyper-aggressive compressor with an infinite ratio. Its job is to set a hard ceiling that the audio cannot exceed, while allowing you to push the overall level up from below. This is how we achieve commercial loudness.

1. Set the Ceiling/Output Level: Set the Limiter’s Ceiling (sometimes called ‘Out Level’) to -0.3dB. Why not 0dB? Some streaming platforms’ conversion process can create tiny peaks above what you set. -0.3dB gives you a safety buffer and prevents ‘inter-sample peaks’. Never skip this.
2. Push the Gain: Now for the magic. Slowly start increasing the Gain (or decreasing the ‘Threshold’, depending on the plugin). As you push this knob, the entire track will get louder. You will also see a ‘Gain Reduction’ (GR) meter start to work.
3. Watch the Gain Reduction: This is your guide. For a clean, punchy master, you should aim for a maximum of 3dB to 5dB of gain reduction on the loudest peaks of your song. If you push it to 8dB, 10dB, or more, you will start to hear audible distortion, your drums will lose their impact, and your mix will sound flat and lifeless.
4. Listen, Don’t Just Look: The meter is a guide, but your ears are the final judge. A/B test your track with the limiter on and off. Does it sound louder and more exciting? Or does it sound squashed and distorted? Find the sweet spot where it feels powerful but still breathes.