4020 Retro EQ — measured — Pro Audio Plugins

Magnitude dev

±1.4dB

Max THD

0.000%

Latency

0smp

Noise floor

−∞below floor

Linearity

-149dB

On the bench

48 kHz · 512-block · offline · same procedure for every plugin

Magnitude responsestepped sine, −12 dBFS

Output level vs. frequency.

Distortion vs level1 kHz, THD / THD+N

─ THD ┄ THD+N. THD is the trustworthy figure; THD+N is method-floor-limited at low levels.

Latency, reported

0 smp

Latency, measured

0 smp (matches)

Onset

0 smp

Noise floor

below measurement floor

Linearity residual

-148.8 dB (1000 Hz, -12/-18 dBFS)

Processing cost

not measured

sourced sentiment · synthesized from 3 published & press sources · in our words, not a measurement

8.0/10 published & press sentiment, 3 sources · not a bench measurement

Musical, smooth tone-shaping — a gain-dependent slope and Q keep boosts and cuts sounding coherent, with a forgiving character reviewers liken to high-end mastering EQs.
A light analog-style color from its output stage gives it body without obvious grunge, even pushed hard.
Fast, broad-strokes workflow — a streamlined panel with octave-spaced frequencies and no added latency.

Not a surgical EQ — the mid bands have no Q control and the ranges don't fully overlap, so it is less suited to detailed corrective work.
It imparts a color rather than staying fully transparent, so it is not the first pick when a clean, neutral cut is needed.
Coarse control markings mean precise recall leans on the DAW's automation readout.

measured figures + sourced sentiment · alphabetical · not ranked

Plugin	Mag dev	Max THD	Latency	Noise	Sentiment
4020 Retro EQ	±1.4 dB	0.000%	0 smp	<floor	8.0
BM MEqualizer	±0.0 dB	0.000%	0 smp	<floor	—
CORE EQ	±0.0 dB	0.000%	0 smp	<floor	—
EQ SITRAL-295	±1.5 dB	0.031%	32 smp	<floor	—
EQ-73	±1.8 dB	5.037%	34 smp	<floor	8.3