EQ Moves Per Instrument · Tools · Free The Music

Module 3.4 · Tools Track · EQ

EQ Moves Per Instrument

The synthesis. Subtractive plus additive, applied to every instrument family — concrete recipes you'll reach for hundreds of times before your ear takes over.

You now have both EQ modes in your hands. Module 3.2 taught you to cut what's in the way — high-pass filters, mud-zone clearing, surgical notches. Module 3.3 taught you to add what's missing — weight, warmth, presence, air. This module brings them together. What does a vocal actually need? A kick? A bass? An acoustic guitar? Below: the concrete moves, instrument by instrument.

None of these recipes are rules. They're starting points — the moves working engineers reach for first when they hear a particular kind of problem on a particular kind of source. Every recording is different: the room, the mic, the player, the song key, the production style. Use these recipes as a launchpad, then adjust by ear and by what the mix actually needs.

One concept first — the most important EQ idea after the tools themselves: tracks don't sound right or wrong in isolation. They sound right or wrong in context. A vocal that's perfectly EQ'd in solo will often sound completely different against a full mix. The recipes below assume you're listening in context, with the mix playing.

⛓ Where this sits in the signal chain

The recipes below assume the standard processing order: HPF / subtractive cleanup → compression → additive shaping → bus EQ. The "cut" moves listed for each instrument typically happen pre-compression (Module 3.2 territory). The "boost" moves typically happen post-compression (Module 3.3 territory). If you're applying these to a track that hasn't been compressed yet, the boosts may amplify peaks the compressor would have controlled — set up your compressor first (Module 4.1), then come back to additive moves.

First, the words

Four ideas that turn EQ from "trying recipes" into "thinking about the mix." Get these in your bones and the per-instrument moves below become tools, not rules.

Concept 1

The mix-context principle

Tracks sound right or wrong only in the context of the full mix — never solo.

Think of it like the color of a paint chip in a hardware store vs. on your bedroom wall.

A paint chip looks one color under store lighting, in your hand, on the swatch card. The same paint, brushed on your bedroom wall, looks entirely different — because the surrounding colors, the ambient light, and the wall texture all change how your eye perceives it. Audio works the same way. A vocal soloed has no other tracks competing with it — the EQ moves you hear in solo aren't the moves the vocal needs in context. EQ in context, not in solo. Working engineers solo a track briefly to find a specific problem (a click, a buzz, a resonance), but they make the actual EQ decisions with the full mix playing. The recipes in this module are the moves engineers reach for after hearing a problem in context — not generic tweaks applied indiscriminately.

Concept 2

The frequency conflict

When two tracks live in the same frequency band, they fight — and listeners can't hear either one clearly.

Think of it like two people trying to talk to you at once.

If two people speak at exactly the same volume and pitch, you can't follow either of them. Their voices mask each other — every word from one obscures words from the other. Tracks in a mix do the same thing. The kick and bass both occupy 60–120 Hz. The vocal and the lead guitar both occupy 1–4 kHz. The cymbals and the vocal sibilance both occupy 6–8 kHz. When they overlap, listeners hear neither one clearly. The cure isn't to turn one down or boost the other — it's to separate them in frequency. Carve a notch in track A where track B lives, and suddenly track B has its own home and stands out. This is the single most important pro-mixing concept beyond the tools themselves.

Concept 3

The complementary cut

Cut frequency X on track A so frequency X on track B has space to be heard.

Think of it like making room on a shelf by removing one book to fit another.

If you want the lead vocal to "sit on top" of the mix, the most effective EQ move usually isn't on the vocal — it's on the tracks competing with it. Cut 3 kHz on the rhythm guitars by 2 dB and the vocal at 3 kHz suddenly has room to be heard. The vocal didn't change at all — but the space around it did. This is called complementary EQ: the cut on one track exists specifically to make room for what's on another. Working engineers think this way constantly: "the kick isn't punchy enough" → cut 60 Hz on the bass; "the snare isn't snapping" → cut 5 kHz on the cymbals; "the vocal is buried" → cut 2–4 kHz on the guitars. Complementary EQ is how separation gets engineered into a mix.

Concept 4

The reference track

A polished commercial recording you compare against to calibrate your ears and your decisions.

Think of it like a tuning fork for your mixing decisions.

A tuning fork doesn't make music — it gives you a precise reference to tune against. A reference track does the same for mixing. Pick a commercial recording in a similar style and load it into your DAW alongside your mix. Loudness-match them (so the reference and your mix play at the same perceived volume — Module 1.5). Toggle between the two as you EQ. Does your kick sound thin compared to the reference? More 60 Hz weight. Does your vocal feel buried? Listen to where the reference vocal sits and compare. Reference tracks calibrate your ears against "what good sounds like" in real time. Working mastering and mixing engineers use them on every session. Pick 2–3 references per song; switch between them to avoid copying any single one.

The diagram below shows the most common frequency conflicts in pop, worship, and rock mixes. Each pair of instruments overlaps in a specific band — and that's where complementary EQ unlocks separation. Find your mix's conflicts here, then apply the per-instrument recipes that follow.

A frequency spectrum diagram showing the most common overlap conflicts in mixes: kick vs. bass at 60-120 Hz, snare vs. lower vocal at 200-400 Hz, vocal vs. guitar at 1-4 kHz, hi-hat vs. vocal sibilance at 6-8 kHz. Each conflict band is highlighted with both instruments overlapping at that frequency range. COMMON FREQUENCY CONFLICTS Where instruments fight — and where complementary EQ unlocks separation. 20 100 200 500 1k 2k 5k 10k 20k FREQUENCY (Hz) CONFLICT 50–150 Hz KICK vs. BASS → pick one to own 60 Hz CONFLICT 200–400 Hz SNARE vs. VOX BODY → "the mud zone" CONFLICT 1–4 kHz VOCAL vs. GUITAR → cut guitar to make room CONFLICT 5–9 kHz HI-HATS vs. SIBILANCE → de-ess vocal, tame hat 7k

Four conflicts cover most mixing decisions: kick vs. bass in the low-end, snare body vs. vocal warmth in the mud zone, vocal vs. guitar in the presence band, and hi-hat vs. sibilance in the upper highs. The recipes below give specific moves for each conflict.

Per-instrument recipes

Working starting points for the most common sources. Cut moves typically happen pre-compression (Module 3.2 territory); boost moves typically happen post-compression (Module 3.3 territory). Always A/B against bypass; always listen in mix context.

Lead vocal

MoveFrequencyType / QAmountWhy
HPF80–120 Hz12 dB/octcutremoves mic rumble, AC hum, breath wind
Mud cut250–400 Hznarrow bell, Q 3−2 to −4 dBfind the boxy resonance, notch it
Honk cut800 Hz–1 kHznarrow bell, Q 4−1 to −3 dBremoves "telephone" mid-range buildup
Body150–250 Hzwide bell, Q 1+1 to +2 dBwarmth — careful in the mud zone
Presence3–5 kHzmedium bell, Q 1+2 to +3 dBthe vocal sits on top of the mix
Air10–14 kHzhigh shelf+1 to +3 dBpolish, sheen, "expensive" feel
De-ess5–8 kHznarrow bell, Q 4−2 to −6 dB (dynamic)reduce sibilance — better with a dedicated de-esser

Backing vocals

MoveFrequencyType / QAmountWhy
HPF150–250 Hz12 dB/octcutbacking vox don't need low-end — clears space for lead
Presence cut3–5 kHzmedium bell, Q 1−1 to −3 dBcomplementary cut for the lead vocal's presence
Air10–14 kHzhigh shelf+1 to +3 dBhelps backings spread wide and feel "sparkly"

Kick drum

MoveFrequencyType / QAmountWhy
Subsonic HPF20–30 Hz12 dB/octcutremoves inaudible rumble; preserves all kick body
Boxy cut300–500 Hznarrow bell, Q 3−2 to −5 dBremoves "cardboard box" cardboard quality
Sub weight50–60 Hzlow shelf or wide bell+1 to +3 dBgives the kick fullness in the low-end
Body80–120 Hzwide bell, Q 1+1 to +2 dBthickens the body without booming
Beater click3–5 kHzmedium bell, Q 1+2 to +4 dBadds the beater attack so the kick cuts through

Snare drum

MoveFrequencyType / QAmountWhy
HPF80–120 Hz12 dB/octcutremoves kick bleed and rumble
Box cut400–600 Hznarrow bell, Q 3−2 to −5 dBremoves "ringy" snare body resonance
Body / fullness180–250 Hzwide bell, Q 1+1 to +2 dBfattens snare without making it muddy
Snap / attack5 kHzmedium bell, Q 1+2 to +4 dBcuts through the mix; the "crack"
Air / room10–12 kHzhigh shelf+1 to +2 dBopens up the snare in the mix

Hi-hats / cymbals / overheads

MoveFrequencyType / QAmountWhy
HPF250–500 Hz12 dB/octcutcymbals don't need low-mids; clears space
Harshness cut5–8 kHznarrow bell, Q 3−1 to −3 dBtames the metallic "ice pick" frequency
Stick attack3–5 kHzmedium bell+1 to +2 dBdefines the attack of each hit
Sparkle10–14 kHzhigh shelf+1 to +3 dBshimmer, dimension, top-end

Toms

MoveFrequencyType / QAmountWhy
HPF60–80 Hz12 dB/octcutcuts kick bleed and stand vibration
Ring cut300–500 Hznarrow bell, Q 4−3 to −6 dBremoves the "ringy" overtone
Body80–150 Hz (floor) or 150–250 Hz (rack)wide bell, Q 1+1 to +2 dBthickens the tom
Attack3–5 kHzmedium bell+1 to +3 dBdefines the stick attack

Bass (DI or amp)

MoveFrequencyType / QAmountWhy
Subsonic HPF30–40 Hz12 dB/octcutremoves rumble; preserves musical low-end
Mud cut200–400 Hznarrow bell, Q 2−1 to −3 dBclears the bass out of the vocal/guitar mud zone
Sub weight60–80 Hzlow shelf or wide bell+1 to +3 dBfullness — careful with kick conflict
Pluck / definition700 Hz–1.2 kHzmedium bell+1 to +2 dBgives the bass note definition on small speakers
String / attack2.5–4 kHzmedium bell+1 to +2 dBpick attack, finger noise — helps the bass cut

Acoustic guitar

MoveFrequencyType / QAmountWhy
HPF100–150 Hz12 dB/octcutin band mix; clears bass space
Boom cut200–250 Hzmedium bell, Q 2−2 to −4 dBremoves soundhole boom
Honk cut700 Hz–1 kHznarrow bell, Q 4−1 to −3 dBremoves "honky" mid resonance
Body / fullness120–200 Hzwide bell, Q 1+1 to +2 dBwarmth without boom
String detail4–6 kHzmedium bell+1 to +2 dBpick attack, articulation
Shimmer10–14 kHzhigh shelf+1 to +2 dBtop-end sparkle

Electric guitar (clean)

MoveFrequencyType / QAmountWhy
HPF80–120 Hz12 dB/octcutremoves amp/cab low-end
Mud cut200–400 Hznarrow bell, Q 3−2 to −4 dBfind and notch boxy resonance
Vocal cut3–4 kHzwide bell, Q 1−1 to −2 dBcomplementary cut to make room for the lead vocal
Bite2.5–4 kHzmedium bell+1 to +2 dB (lead) / 0 (rhythm)cuts through (apply to lead, not rhythm)
Sparkle6–10 kHzhigh shelf+1 to +2 dBedge for clean tones

Electric guitar (distorted)

MoveFrequencyType / QAmountWhy
HPF120–180 Hz12 dB/octcutdistorted guitars have fizzy low-mids that cloud the bass
Fizz cut3–4 kHznarrow bell, Q 3−2 to −4 dBremoves "fizz" or "pick scratch" buildup
Vocal cut2–4 kHzwide bell, Q 1−1 to −3 dBcomplementary cut for the lead vocal
Body200–400 Hzwide bell, Q 0.7+1 dB onlyonly if the guitar feels thin (mud zone risk)
Bite (lead only)2.5 kHzmedium bell+2 dB on leadonly for solo / lead lines

Piano / acoustic keys

MoveFrequencyType / QAmountWhy
HPF (in band)100–200 Hz12 dB/octcutremoves lower octaves competing with bass
Boom cut200–400 Hzmedium bell, Q 2−1 to −2 dBtames lower midrange boom
Warmth200–400 Hzwide bell, Q 1+1 dB maxonly for solo piano (mud zone risk in band)
Presence3–5 kHzmedium bell+1 to +2 dBnote attack and clarity
Air / dimension10–12 kHzhigh shelf+1 to +2 dBtop-end shimmer

Synth pads

MoveFrequencyType / QAmountWhy
HPF aggressive200–300 Hz12 dB/octcutpads spread everywhere; HPF keeps them in the upper register
Vocal cut2–4 kHzwide bell, Q 1−2 to −3 dBpads and vocals fight; cut the pad to make room
Air / spread8–12 kHzhigh shelf+1 to +3 dBpads sit better with extended top-end
Movement1–2 kHzmedium bell+1 dBadds interest without conflicting with the vocal

Synth lead / arp / pluck

MoveFrequencyType / QAmountWhy
HPF120–200 Hz12 dB/octcutremoves low-end mush from layered synth oscillators
Fizz cut3–5 kHznarrow bell, Q 3−1 to −3 dBtames sawtooth fizz buildup
Cut-through2–4 kHzmedium bell+1 to +2 dBhelps lead synths cut through; replace if cutting
Sparkle8–12 kHzhigh shelf+1 to +2 dBtop-end definition

Strings / horns

MoveFrequencyType / QAmountWhy
HPF100–200 Hz12 dB/octcutorchestral elements rarely need sub-bass in a pop mix
Honk cut500 Hz–1 kHznarrow bell, Q 3−1 to −3 dBtames "nasal" string section resonance
Warmth200–300 Hzwide bell, Q 1+1 dBfullness without mud
Bow / breath3–5 kHzmedium bell+1 to +2 dBadds bow attack on strings, breath on horns
Air10–12 kHzhigh shelf+1 to +2 dBorchestral dimension

"The best EQ moves don't make a track sound 'EQ'd.' They make a mix sound right. If your tracks all sound great in solo and your mix sounds congested, your EQ is wrong. Listen in context." — FTM, on context-driven EQ

The complementary EQ technique — vocal-up mixing

The single most-used pro mixing move is making space for the vocal by cutting other tracks. It works in three steps:

  1. Find the vocal's "money frequency." Sweep a +6 dB bell across the vocal from 1.5 kHz to 5 kHz with the full mix playing. Find where the vocal sounds most present, most "in front." Note the frequency — say 3.2 kHz.
  2. Cut that frequency on competing tracks. On every track that's likely fighting the vocal at that band — rhythm guitars, lead synths, busy keys — cut 1–3 dB at the vocal's money frequency, with a wide Q (1.0).
  3. Listen back. The vocal now occupies a band other tracks have politely vacated. Result: the vocal sits clearly without you having boosted it. The mix sounds open, not crowded.

Apply the same logic for any other "lead" element — a lead guitar that's getting buried, a saxophone solo, a featured synth line. Find its money frequency; cut competing tracks at that band.

Translation — making sure your EQ choices work everywhere

A mix that sounds great on your monitors but bad in a car or on phone speakers is a mix that hasn't translated. EQ decisions are a major translation factor. The ways to make EQ translate:

  • Mix at moderate levels (75 dB SPL). Loud monitoring makes you under-EQ low and high; quiet monitoring makes you over-EQ them (Module 2.1, Fletcher-Munson).
  • Reference commercial tracks frequently. Loudness-matched A/B comparisons calibrate your tonal sense.
  • Check on multiple speaker systems. Phone speaker, laptop, car, headphones, monitors. Each reveals different EQ problems.
  • Use a mono check. Sum the mix to mono on a single speaker. Phase issues, balance issues, and EQ buildup all become more obvious.
  • Don't trust visual feedback alone. A spectrum analyzer can confirm what's there, but the ear decides what works.

Tools · Module 3 (EQ) complete

You've finished the EQ track

Foundations, subtractive, additive, and per-instrument recipes — every EQ move you'll use in 95% of mixes. From here, the next step in the signal chain is compression (Module 4) — controlling dynamics, shaping transients, gluing elements together. Compression sits between subtractive and additive EQ in your channel chain, and pairs with EQ in every mix you'll ever do.

Next up · Module 4.2

Parallel & Sidechain Compression — the advanced compression techniques

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