Razor

Amazing additive synthesizer. All the filters and effects are extremely unique, and give you lots of modulation options.Despite only having around 10 waveforms, all of them are amazing and have their own unique options. You can also use them like wavetables, since all of them have some way to change position. It'd be nice to have more control over the sound waves, but the absolutely insane parameters and effects totally make up for it. I've also seen some people complain about CPU, but it was completely fine for me.

Overall, it's great if you want futuristic, percussive, and experimental sounds, but if you want standard sounds, you might want to look elsewhere. It's sad that no one really gives this monster of a synth much attention anymore.

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Very interesting synth (as I love other Reaktor synths).

The sound is sharp; at least before you refine it as you want, (the name "Razor" fits).

You won't find common oscillator types here. Any oscillator here is special (what surprised me in the beginning). Like:

Formant.

Number Pitchbend.

Synced Noise.

Razor relies on heavy use of filtering. Putting a filter on (as other modules) is very easy, simply click and select image. By the way, it's graphically advanced. It even has 3D! (which you can turn off for 2D to save CPU time). Examples of filters:

Lowpass Phaser.

Vowel.

Formant.

Effects section is awesome too. Like special type of reverb.

Almost everything can be automated with 3 Envelopes and 2 LFO, for Filter parameter 1 - up to 3 modulators. There are two filters.

I like how everything is organized (as for other Reaktor synths).

This synth had positive impression on me, which increased as I used it more.

Sorry for my English good luck.

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Razor ... eh ... let me tell you. Untill Razor, I thought I'm a audio geek. But once I've seen what this Errorsmith accomplished in freaking Reaktor. I mean WHAT?!?

Features: 9/10.

So what the hell is it? Let's put it this way. Additive synthesis used to be all about "adding" those harmonics to the fundamental. What Errorsmith realized is, that it's not just about level. You have all sorts of other stuff you can do with bunch of partials. Shifting them, retunning them in milion ways, you can mimic filters, mimic analog behaviour and so on and so on. To be fair, synths like Alchemy had function of altering different parameters of partials before, but the way it's introduced in Razor is amazing. Intuitive, quick, clean.

Sound: 9/10.

It's hard to compare Razor to anything. Hard to judge on any level. If you like any kind of "traditional" sounds, either electronic or acoustic, Razor will dissappoint you, becouse it sounds like no other thing on earth. If you like experimental stuff, you won't believe your ears. It really is that good. It has it's character, so, espcially when used for bass, you can identify it even in other people's work ... which can be said about 303 also and nobody gives a damn about it, so I guess it's a good thing. :)

GUI: 8/10.

Looks nice, well thought. Loving the spectral view. You see what's happening all the time. Nice touch. I don't like how it's big. That's common problem with todays plugins for me. They don't care about 1366x768 pix laptop monitors anymore. :/ (Much worse in Prism though.)

Value: 7/10.

It blows your mind, when you think about this thing being built in Reaktor. I mean it had to take ages, or this Errorsmith is genius on his own. ...having said that, this being Reaktor ensemble drags it down a little. For sure, you can use it to learn Reaktor, but honestly, when just producing, you want it to load instantly, not after opening Reaktor and browsing through your ensemble database. I've seen some ensembles that made it into a real software, kinda hope this happens here also. But aside that, this synth si crazy. It gives whole new meaning to the expression "additive synthesis", I really recomend you to at least try it. :)

Cheers,
Martin.

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Sound: 10 stars.

In general, it can take a lot of experience and effort to make a pleasing sound on most synthesizers. With Razor, though it may be a little more trial and error to make a specific sound you have in mind, I find it difficult to create a sound I simply do not like. Pretty much everything that comes out of it sounds wonderful to me in some way. It just might not be what I was going for which I attribute to additive synthesis in general more so than Razor in particular.

Usability: 10 stars.

Great workflow.

CPU: 2 stars (it hurts ... a lot)

Razor has quality settings, but it could use some even lower ones. Maybe use fewer partials?

Stability: 3 stars (due to Reaktor)

You can't review Razor without reviewing Reaktor as well. Reaktor is a nightmare to me. I keep hoping that some new version of it suddenly won't be, but alas, that has yet to be the case. Regardless of the instrument I am using it can crash out of the blue for no apparent reason. It will corrupt my Cubase project files so that I cannot open them. It is really rare a Reaktor instrument makes it to the final mix of one of my projects, and if so, there will only be that one instance.

Preset Management: 2 stars (Reaktor)

Native Instruments has a synth with my favorite preset management (Massive) and then with my least favorite by far (Reaktor). Bad preset management is also an impediment to sound designers releasing patch libraries for Razor. Sound designers I've requested Razor patches from have specifically mentioned this. Again, contrast this with Massive. [Sorry for the comparison KVR mods but I really want to drive this point home].

GUI: 9 stars.

My only gripe about the UI is that you cannot see the text value for a knob unless you change the value. Hovering over a knob should display it's current value.

If Razor was a standalone plugin I think it would be much more popular. An imaginary standalone version I would give 9.5 stars rather than 7. I would also pay considerably more for it.

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I will keep it short.

Razor uses additive synthesis using 'partials' and can be used with Reaktor or Reaktor player. It features UI that is friendlier than most of the synths on the market. In one word, Razor is special.

Razor is one of my favourite synths for many reasons but I feel it's my duty to warn people that it may not be what they are looking for. It is special in the way that it can create sounds that you really cannot achieve with other synths; the downside is that whether those sounds are actually usable is another story.

It isn't certainly synth that does everything; at what it does, it isn't even close to being perfect. You may end up noting that sonic characteristics of presets can be harsh and dull and anything in between. To our rescue, there is spectral clip and safe bass setting which adds or subtracts bass and top frequencies respectively. I have to say without these two features the synth would be very much out of control.

However, with filters it features with modulation options and 'sidechain' modulation which lets you modulate more than one knob at a time, this isn't certainly a synth that goes for instant usability. It needs careful tweaking, and even then you may need help from aforementioned two features to control your sound.

Many synths use word 'innovative' and so does Razor, but I feel it is one of very few synths that actually deserve this title. As I said, it does not do everything; it doesn't try. At what it does, it can fail. But the point of Razor is that it can really make some otherwordly sound.

So if you are looking for another subtractive synthesizer or VA, this is certainly not the place. But if you are looking to add to your sonic arsenal, you will find that Razor can offer you sound that you've never dreamed of. And certainly spectral clip and safe bass settings make it much more usable. It could certainly be my sound design ability, but you may find that sometimes it can be difficult to get the settings right, for it demands near exact settings for a usable patch. But if you love playing in your sonic lab, tweaking settings, coming across failures, willing to try an additive synthesizer, or experiencing sound that you would have not even dreamed of, Razor is for you.

I don't like giving out numbers but for sound I would say Razor is at about 7 or 8. But for its innovation and how tempting it is to get this unique synth at such agreeable price, I will give it a 9.

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NI Razor For Reaktor is a amazing instrument! The demo of this beast caught me first, as im sure it did most people with the DUBSTEP WOBBLES. When I finally got the product I had no idea that it did so much more.
The quality of presets are amazing! They have some of the most unique sounds ive ever heard. They even put a new twist on some familiar synths and basses. I really do have to suggest this to anyone looking for a good rich synth. The sound is...well its Native Instruments...duh!. and the interface is very very streamlined. Easy to use, and not ALOT of knobs for easy midi mapping to your favorite controller. 10 outta 10Read Review

Native Instruments Razor is a breath of fresh air! It's completely unique, sounds great and looks cool too. Browsing through the available oscillators, filters, and effects, you'll see a few things you may not have seen before on other synths. When you tweak the parameters, you're actually using one single giant oscillator with 320 additive partials. Even the effects aren't true "effects", but act directly on the additive model. Modulation routing is quick and intuitive. The sound quality for this thing is phenomenal, and the CPU usage is manageable (I got up to around 50% on my dual-core laptop, never came close to pegging the CPU). And of course because it's made in Reaktor, you can dig into the structure to see how it works and save your own copy to modify (that is if you have a full license for Reaktor). At this stage I think I'll be happy just to gain a better understanding of how the powerful and versatile Sine Bank module is employed. If you don't have a full license for Reaktor you can still use it in the Reaktor Player. So no excuses!
To address the "but isn't this synth really just made for those dubstep and wobble sounds" argument: yes it can generate those sounds quite nicely. But it can step way beyond them quite quickly. I found myself making some really beautiful bell type pads, which could in turn transmute into some really nasty high harmonics with the twist of a knob. You can create some analog-ish sounding patches, but why do that when you can make swooping galactic clouds, intelligent plasma flux, or sinister evolving nanoscale robot geometrics. If you like programming percussion sounds then you're in for a treat, because Razor can do a wide range of those (sub-bass anyone?). It's very versatile, and can create a very broad range of sounds. I'll reiterate again, that despite the sophisticated concept it is actually quite easy to use. And the graphic display is neat to watch! Well worth the asking price, and one of the coolest things I've downloaded for quite some time (and I am addicted to this stuff).Read Review