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Free / $29

SplineEQ has an average user rating of 4.50 from 12 reviews

Rate & Review SplineEQ

User Reviews by KVR Members for SplineEQ


Reviewed By jrucks01 [all]
June 24th, 2014
Version reviewed: 7 Pro on Windows

Well, a quick disclaimer and background before I start my review of SplineEQ. I had never heard of SplineEQ until today when asked to provide a review and my thoughts on the plugin. My mixing skills are adequate and continually growing and the opinions are solely mine based on my experience with the product. Now without further ado my review of SplineEQ.

SplineEQ was a completely new type plugin for me. I have only used a handful of EQs and mainly the stock PreSonus ProEQ (awesome by the way) and Waves Q10 & Renaissance EQs. There are more EQs in my arsenal but I usually stick to those that I know for mixing. Either I have had my head in the sand or just never caught up with the difference between phase and linear EQ - branching out during mastering EQ was using my Waves V-series EQs (I know rookie moves). However, having used the SplineEQ on a quick little ditty I threw together tonight my eyes have been opened in a shock of my ignorance. I will provide links to my examples using SplineEQ and same example without SplineEQ. But first my thoughts.

- any boosts and cuts need to be in moderation, but this plugin for some reason was very intuitive for me.

- use the provided presets for examples and starting points, I used the preset for the track and then adjusted to my liking and then saved for later use.

- the analyzer graphics are astonishingly useful; I prefer graphical analyzers in my EQ plugins and yes I use my ears but like having my eyes helping out.

- the only con is the CPU usage which is adjustable but never over the top in my limited experience.

The short track I recorded for examples consist of the following:

1 acoustic guitar (capo 7th fret) with a non-capo acoustic guitar accompany; bass; electric guitars; and Slate Drums 4 separated into channels for mixing.

Acoustic guitars both used my modified SplineEQ preset 'Acoustic - Bright and Balanced'

The electric guitars had a SplineEQ preset I modded 'Electric - smooth'

Bass guitar had SplineEQ modded preset 'Bass -12db limit for kick mix'

Snare used the preset 'Snare - 1' with a minor high-mid boost for rim shots.

Kick used the preset 'Bassdrum A1' with minor tweaks to remove the boxiness.

The drum bus had my FX chain preset of 1. PreSonus Pro Eq 2. IK Multimedia Black76 3. IK Multimedia Vintage 670.

Master bus had my normal setup of 1. Slate VCC 2. NI Bus Compressor 'Mix Glue' preset 3. Slate Tape Machine 1/2"

Each track has Slate Tape Machine and Virtual Console inserted before SplineEQ.

Here are the two examples:

First the mix without the SplineEQ: https://soundcloud.com/jrucks01/example-no-splineeq.

Now with SplineEQ: https://soundcloud.com/jrucks01/example-splineeq-active.

My take is that the SplineEQ gives each instrument its own space and allows the sounds to mix better. Having only spent several hours with SplineEQ I can already tell it will be a new go to weapon in mixing for myself and clients. Please let me know your thoughts on the review and thank you for reading.

*SplineEQ is currently selling for $19 until July 5th according to the website, so don't hesitate to buy. Low investment, big return in my view.

J. Rucks.

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Comments & Discussion for Photosounder SplineEQ

Discussion: Active
4 March 2012 at 9:09am

@myk: I haven't used SplineEQ, but as I understand it, EVERY linear phase EQ introduces latency because of the way linear phase adjustments are computed (the signal must be delayed a bit, kind of obvious if you think about it). That's why they're typically used for mastering and final mixing, as opposed to tracking. Seems kind of unfair (if not dead wrong?) to mark it down for something that's inherent to its way of working.

5 March 2012 at 9:23am

@myk Just locate the latency knob and adjust it for lower latency, you should be just fine.

The reason why you want to be able to change latency, is for rendering purposes. If you are really anal about getting the best possible sound, you should increase the lantency when you render, and that will give you an even sharper sound. As you might have noticed with the "dotted real processing" line that shows up on the lower frenquencies,

it will become more accurate with higher lantecy settings, this is something you can't escape when processing audio the way linearphase eq's does it.

It's not fixable, it's just something you have to learn, with ALL linearphase eq's :)

5 May 2012 at 5:19am

just a little thing to say I tried this out on a audio cleaning project i had and it kept the tone of the voice but got rid of the noise I mean whistling right next to the vocal frequency. no other eq i had was doing it right and this baby kicked ass.

7 May 2012 at 5:43am

i use this for sound design and it is awesome

7 May 2012 at 6:03am

yea its a great plugin i love it

7 May 2012 at 6:17pm

Really nice free EQ, very tweakable, efficient and colorless. Perfect for cleaning, mixing and mastering.

7 May 2012 at 9:05pm

I agree. the paid version is even better to. I use this for cleaning and mastering

3 July 2012 at 7:23am

Yep, i discovered what the free is by itself capable of on a sample design purpose and after that i'll certainly by the full version ASAP ...really excellent tool !

3 July 2012 at 8:24am

You know what is awesome is if you set it to minimal delay and stuff right to find something like if there is this annoying hum then you cut the hell out of it swap back to max mode and render you will be amazed on how high the quality of the eq its like you never did anything but the hum is gone. its very non destructive

3 July 2012 at 9:36am

well i currently experience narrow bandpass (rather than bandstop) to isolate locust's stridulation at almost a precise frequency then rendering, not much different technique as you know, that what made me amaze about spline eq

3 July 2012 at 6:56pm

I know some people complain because its super latency ridden but that's what i think makes it so good the quality of the eq is so high that it has to be

Brother Charles
Brother Charles
12 November 2012 at 6:58pm


Great review. I like how you brought out more information about the unique graphically-driven features.

12 October 2013 at 4:53pm

Brilliant mastering EQ. Top quality.

28 June 2014 at 1:52pm

TOP notch EQ plugin right here..

Best delivered in final mixing master bus and mastering.

8 February 2020 at 7:05pm

Why no hpf/lpf filters?

8 February 2020 at 7:49pm

You have to make them yourself. Place a control point high and another low.

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