Spire My KVR

Synth (Analogue / Subtractive) by Reveal Sound
What is it?
Operating System Availability
Operating System Latest Version
License & Installation Method
Voucher / Code for redemption on other website
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Spire is a software polyphonic synthesizer that combines powerful sound engine modulation and flexible architecture, a graphical interface provides unparalleled usability. Spire is the embodiment of the best opportunities, both software and hardware synthesizers.

ANALOG / DIGITAL Superiority

Spire Synthesizer - the combination of best opportunities of software and hardware synthesizers.


4x multimode polymorphing oscillators
Classic, Noise, FM, AMSync, SawPWM, HardFM, Vowel.


9x unison voices on each oscillator
Spread unison voices by chords and octaves
Capable of imitating different types of unisons like supersaw, hypersaw.


2x multimode filters with analogue and digital types of filtering
Perfecto, Infecto, Acido, Scorpio, Combo, Shaper.


Shaper/Decimator, Phaser/Vowel, Chorus/Flanger, Delay, Reverb.


4x Macros, 4x Envelopes, 4x LFOs with morphing shapes,
15x Matrix slots each equipped with 2x sources and 4x targets.


Surprisingly user friendly and fun to use.


with X­-Comp (Multiband Compressor) and 3-band EQ.

{See video at top of page}

User Reviews Average user rating of 4.38 from 5 reviewsAdd A Review

Reviewed By musiclover91
March 5, 2019

Great Plugin but couldn't get it to work with FL studio 20.

Cant use it for everything, mainly only for leads and plucks because the sounds are so hard core but its what the market likes now, so highly recommended.

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Reviewed By hivkorn
January 23, 2019

I have Spire for a while now, I have been sleeping for quite some time.

The installation was done without problems.

It is stable and does not crash Cubase Pro 9.5. CPU consumption is correct.

Recently, I started to work on a project that is close to my heart for several years and I reviewed all the synths I have in order to find THE sound I wanted, I stopped on Spire, I do not know by what miracle, he has the punch and sounds really REALLY good.

I have several hardware synths, I thought working on this project with the minibrute arturia, but in fact I think I'll record all this project with Spire.

This synth is well known musicians and he deserves it greatly.

The sound is incisive and powerful, its effects are good qualities.

I imagine that it can cover all kinds of electronic music.

It's a synth to have, each EDM musician must have it.


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Reviewed By street spirit
February 22, 2017

Finally after updating my PC from old amd core duo to quad core i5, I have the best VST synth i ever used.

Sounds excellent, but were it shines is the GUI. Cool skins, so easy to tweak, and just sexy as hell on my Dell high res screen.

Also good feeling when you saved a little, 20% and are 100% content with you purchase.

Get a kick out of the "Lets get ready to rock" message on init preset Lol.

If they add some neat like 3d wave table scan latest rage, Spire would be GOAT.

I want to give it 10, but will be reserved and say 9, just because it needs a few more customize sizes, say 130 or 140.

150 is a little big even on my 24 inch.

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Reviewed By ssl4000
October 27, 2016

I love this synthesizer, I really do... It has such a modern, "bombastic" sound, so punchy, so clear. That is exactly what modern producers need and use.

Oscillators are amazing, it is very hard to reproduce certain presets in other synthesizers to sound exactly the same, I find Spire always a touch bit better sounding than competing synths, just a little bit better.

Detune and unison section is nice, it sounds very sylenth-like, I find that not too many plugins can make that gritty and clear at the same time, low end saw bass, Spire (and Sylenth) does that perfectly.

Filters. They are good, plenty to choose from. I'm not a filter phreak, but they sound very good to my ear. I especially like "acido".

Effects section is quality as well. Shaper can sound really really mean, and reverb is an effect that could be justified as a standalone plugin, it's that good.

Other things I'm in love with are envelopes (they sound so snappy! I love it) and X-Comp module, which makes your sounds so clicky and modern sounding, helps them to stand out in the mix. It sounds especially good with envelopes set to short decay. I love this compressor.

Presets are top notch, they are "hit-ready" I would say, not like in other synths which may be packed with presets but only 1/5 of them is usable. Here you will find sounds which fit track perfectly and hence this synth is used by so many producers. It has great 3rd party soundbank support as well.

CPU usage... It used to suck, but now all is changed. I recently did a comparison with Dune and Hive. Hive, the so called "CPU efficient" synth was the most hoggy of all 3 and Dune was the most efficient. Spire was in the middle. It was quite surprising as I thought Hive will use the least amount of CPU processing power (as it is marketed) but well... Maybe it is just mine PC that does something in a different way. Spire's CPU usage is fine then.

In practice I didn't find any disadvantages, so I'm giving it a fair 10/10, as it is my fav synth and I can't quite find any other plugin with such features, such remarkable sound and overhelming amount of 3rd party presets.

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Reviewed By Dafunque
September 10, 2014

The perfect synth, i haven't found it it yet.

Spire comes pretty darn close though.

I love its user-friendliness and the effect section, which has everything your need, and i mean everything.

I find the layout clear and the knobs big enough and easy to adjust.

Reveal-Sound has added a Matrix section in which one can hook up any LFO / Env / Osc / Arp etc etc to almost any other function of the Spire.

That makes it very versatile, but the way they set it up also makes it easy to get an overview of what is controlling what.

And then the most important thing: the sound.

I know i'm not allowed, so i won't, but i would almost leave it at WOW!.

The sound is simply great. Very deep to very sharp, very analog, but digital if you want it to be.

Once again, versatile. It can sound small or huge and both are easy to make yourself.

It four oscillators allow you to morph easily from one sound to the other. If one uses all 9 available voices x4 oscillators (36 voices!!!!) and turn the "Wide" knob to maximum on all oscillators... the word "wide" doesn't do justice to the amount of width you get.

There is loads more to be said about Spire, most of it good.

If i have one complaint, it would be that the LFO's apparently alway retrigger with every keystroke.

But if that's all that's wrong with it, then I can sure as hell live with it.

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