Best of Reaktor User Library April 2008


Broken Tremolo v1.1
By Donovan Stringer


Its amazing what adding a slow random LFO can do to a signal path..
Made this a separate upload for those who'd like to keep their kit predictable and avoid crazy shit.
This is fairly broken up and chaotic. I've never had a 'broken tremolo' so I only have my imagination to go with here, and I'm thinking this has to be in the neighborhood.
Randomization is added by clicking in ramped value bottom left to upper right on the 'Blend' display.


Filtroese v4.0
By Dieter Zobel


filter/fuzz/echo/resonator box


Tremolo v1.0
By Donovan Stringer


Simple Tremolo utilizing Parabolic and Pulse 2-ramp oscillators.
This Tremolo utilizes two waves, a Parabolic and a Pulse two ramp, with mix between the two waveforms, as well as pulse width and slope control(for the Pulse osc). Visual feedback is provided for all three wave states.
Complex waveforms are possible with minimal tweaks between the 4 knobs and X/Y fader.
Plain and simple. Sounds kinda good.
I owe ewistrand a bunch for this one, as he basically had to yell at me on the phone until he was able to penetrate my density and help me get my shit together..
My crappy GUI mod of the Tube Screamer instrument is included as a bonus, along with the factory Microspace .ins.
This is built and intended for guitar use. How it will behave with a synth I haven't tried, but you can always insert the embedded Tremolo macro into your synth of choice and have some fun.



Ammobox lite v1.5
By Nathan Ramella


reaktor's first vinyl time-code reader and a little more
ammobox contains a very simple modular vinyl time-code reader that supports all brands of vinyl-time code and can probably be made to support any new ones that come out based on the existing techniques.
The reader is called 'hangthedj', it emits a speed value with '1.0' being 33rpm forward, -1.0 being 33rpm in reverse.
It's a very crude method but it is quite effective, there is an accumulation bug when changing direction that causes record position to creep forward slightly, but I haven't found it to be really harmful.
I've included a 'lite' version of the ammobox sampler, which simply is a MIDI triggerable sampler that takes playback information from the HangTheDJ module, thus allowing you to scratch samples.
If you enjoy and use ammobox, please consider making a donation to my paypal account It took quite a great deal of my personal time to make, and is written to be as modular as possible with
documentation of internal mechanisms to make it pretty simple to understand.
I'd also like to note that when running this ensemble should only take about 6% of your cpu, with the record animation running it goes up to about 10-12%, so remove it if you're CPU-shy.

You can see it in action in two youtube videos I have produced:



Lemur Massive single unit version v1.0
By Andrew Capon

Massive for JazzMutant Lemur
I have an updated the JazzMutant massive Ens and Template here.

It adds:

1. Ability to set Rolls
2. Velocity to sampler section
3. Sample, Transpose, Cut, Drive, Scale and speed to master section.
4. An FX page covering Quantize, Gater, Eq, Delay with moudulation.
5. The ability to switch pages via the touchscreen.

It also has the snapshot changing from Antonio
In order to keep under 128 OSC connections in Reaktor I have had to make a single Seq page which works on the selected unit.



Snaps for Ringer v1.1
By Don Dailey



Tu Bi Fex v2.0
By Dieter Zobel




Acid Bee v1.0
By Jonathan Style


Simple one Oscillator synthesizer/sequencer


ACID BEE 303 v1.02

By Jonathan Style & Phil Durrant.

Special thanks to Phil Durrant for getting this going.
This is instrument is based on the legendary TB-303 by Roland particularly a Devil Fish mod. Although it is not emulation it does tendencies towards the sound of a TB-303. The Devil Fish mods served more as an inspiration, I in no way sought to emulate those modifications in this instrument.


Several changes from the previous upload have been made. The scene recall has been fixed by Phil. I have changed the filter, the resonance sweep, and gain structure of the distortion, and add a quantize function for the pattern sequencer.

You will have to select a snapshot and start Reaktor’s clock to hear any sound. All sound is generated from the sequencer. You keyboard is intended to be used as a controller for this instrument.


This instrument is geared for stand-alone performance. Every parameter can be assigned to a midi controller via midi learn. Programming of sequences is done on PANEL B as well other important functions. PANEL A only contain important function for performance.

Key features on PANEL A:

1. Sequencer direction controls the direction the sequencer is played.
2. Pitch mode allows you to control the pitch that the sequencer is played by one octave according to a chromatic scale. When pitch mode is deactivated the pitch is set at C3,midi note 60, the pitch control will effect the pitch in relation to this note.
3. Octave transposition allows the transposition of the sequencer up or down one octave.
4. The display knob select between various control parameters for pitch, pattern scenes, and track program scenes.
5. Manual accent is configured between a decay envelope (type 1) and a constant (type 2) the amount is set by the adjacent knob. This however is trigger by the manual accent button and the overall effect by the setting of the accent knob in the main sound engine parameters.
6. You can also control the Filter envelope attack rate.
7. There is also a control for the amount of Sweep for the resonance. Type 1 is normal TB-303 like resonance, type 2 & 3 increased the effect with the accents.

Key feature on PANEL B:

1. Clock internal or midi, when in Midi mode the Reaktor clock is used for tempo sync. However in the internal mode the tempo knob and Run button control the start/stop and pace of the patterns. The internal mode also feature sync in & out. This allows you to run the Acid bee has Host for tempo or as a slave to the tempo of another instrument.
2. The main programming area for Pitch, Gate, Slide, and Accent. These can be stored to 8 recall buttons in the pattern program section, also featuring Copy and Paste.
3. Track Programming. This allows you to configure the patterns into 8 tracks that can be recalled at any time.
4. Sequencer Direction. This selects the direction in which the patterns are played. There are several options.
5. Sequencer Length. This controls the length of each Pattern.

Modified Macros:
Lazyfish's Clock from Monoliner
& scene recall
Kidsputnicks Clock Marco
Martin Brickman Bassline

All documentation and GUI elements by BASE designs, please read notes on the main graphic for detail on what was used to make these GUI elements. Conditions for use of these panel elements: none of these graphics are permitted for use outside of the Reaktor community. Please feel free to use them in any Reaktor instrument that you create or desire them in.


Ringer v2.0
By Chet Singer


Tuned percussion modal synthesizer
Ringer is a synthesizer that uses modal synthesis to generate tuned percussion sounds. Modal synthesis consists of a bank of tuned bandpass filters which are excited by an impulse. In this instrument, the impulse is a short burst of noise.

Ringer has 24 modes of vibration, grouped into three groups of eight modes each. The harmonics of each group can be modeled after one of three geometries: a free bar, a clamped bar, or a custom-tuned geometry.

The SpaceMaster 2 reverb is included to provide ambience.

I want to extend my thanks to Jonathan Style for creating the skin and panel elements for this instrument.

Edit: V2 incorporates Jonathan's new skin. No other changes have been made.