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Grendel RA-9 Grenadier Analog Monosynth

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Description
The Grendel RA-9 Grenadier is a 1-oscillator analog monosynth with CV-Gate control. It has a semi-modular design in a tabletop enclosure with 1/4″ audio output. The Grenadier can be played stand-alone by using its keypad with 4 independently tuneable keys, or you can activate its onboard sequencer for minimal rhythm loops and tone sequences. Patch in a 1v/oct MIDI-CV converter (not included) and the Grenadier can play sequences from a MIDI workstation or computer.

The Grenadier’s unique palette of analog tones comes from its triple bandpass filterbank with syncable modulation. Its voice is designed for electronic basslines and melodic sequences, as well as slow drones, electro percussion loops, bass drums, and more. The filterbank can also become a tone source by setting it to self-oscillate with warm low frequency overdrive.

The Grenadier’s VCO offers square and triangle waveform. Its pitch can be modulated by the envelope generator for bass drops and other tuned analog percussion effects. The VCO waveform is synced to gate, for better bass output with staccato sequences.

The decay envelope generator offers a wide range of decay times up to 60 seconds. The contour of the envelope can be reversed with the bipolar Envelope Depth knob, putting it solidly in the electro funk zone. The Grenadier’s LFO covers a wide range of 0.05 Hz (that’s once cycle every 20 seconds) up to 60 Hz, and can be reset by gate events for tempo-sync effects.

The patch bay allows semi-modular control and multiplies the creative options when patching to itself, another Grenadier, MIDI-CV converters, and modular systems.** Fourteen patch points are provided including CV and gate in and out, clock in and out, LFO rate CV, and external audio input. It accepts Eurorack-type 1/8” (3.5mm) mono phone plugs.

The Grendel Grenadier has a straightforward knob-per-function layout that avoids confusing context-sensitive controls. Each switch on the front panel has a red status LED that is easy to see, but not glaringly bright. The case is built of laser-cut steel with durable powder coat and silkscreened graphics. It has a sturdy-feeling build, weighing in at nearly 2 pounds. Grippy rubber feet elevate it above the table, and a pair of polished metal handles double as a roll cage to protect its control surface.

The Grenadier is built to satisfy the need for creative analog equipment that stands the test of time.

Features

4-step analog sequencer that outputs control voltage in a repeating cycle I-II-III-IV. Voltage of each step is controlled by the knob above each key I-IV. It steps once to the right each time it is triggered. The analog sequencer normally controls the VCO frequency for simple melodic sequences, and can be patched to sequence the filterbank, LFO rate, or an external module.

Programmable Trigger Loop: It is normally synchronized to the LFO, or you can patch 16th-notes tempo clock to CLK IN. Program a rhythmic sequence of events in a 32-step (2 measure) endless loop by tapping the PROG-+ button in real time. Your input is quantized to the clock and repeats as long as clock is present. The trigger events can step the analog sequencer, trigger the envelope, or trigger an external module using the TRIG OUT patch point.

LFO; The rate can be controlled with the LFO CV IN patch point. Its response is exponential (~0.5v/oct) and its frequency range is 0.05-60 Hz. The symmetry of the triangle wave is variable and the pulse wave output can be varied from 20..80% width by using the Symmetry knob. Activate the TRIG button and the LFO will sync (restart) with each gate event. This can give the impression of tempo-synced LFO effects, and also lets you use the LFO like a second envelope generator for the filterbank. The LFO Depth knob sets the level of filterbank modulation, and is a bipolar gain type control. The LFO Out patch point is post-LFO Depth. The CLK Out patch point normally sends unattenuated LFO square wave.

Drone Button: cancels the volume envelope for endless sustained notes. And its filterbank can be driven into deep-pitched overdriven self-oscillations. The Drone Commander has two fixed oscillators, while the Grenadier has one VCO. But the Grenadier goes further with the addition of a VCA and envelope generator, plenty of CV connections, and a minimal onboard sequencer.

The Grenadier has CV and Gate Output, CV In and Gate In, Clock In, Clock Out, Alpha In and Beta In (CV inputs to control the filterbank’s 2-axis parameters), ENV Out, LFO Out, Trig Out, Osc Out (Disconnects OSC from Filter, this lets you use it as an FX send), Ext In (FX return or mix in an external VCO)
Images

Videos
Technical Specifications
Type: Analog
Synthesis: Oscillator(s)
Oscillators
Oscillators: 1
Waveforms: Square, Triangle
Osc Modulation: Envelope, Input, Knob, LFO
Envelopes
Envelopes: 1
Evelope Paramerters: Decay
Filters
Filters: 1
Types: Band Pass
Filter Modulation: Input, Knob, LFO
Filter Notes:
+ triple bandpass filterbank
LFO
LFO: 1
LFO Parameters: Square, Triangle
Polyphony & Tuning
Polyphony: 1
Timbrality: 1
Tuning: Standard
Modes: Mono
Sequencer
+ 4 steps
Case
Case: Desktop
Case Details: 4 keys
Keyboard: Buttons, Plastic
Controls: Buttons, Knobs, Mod - Wheel 2, Modulation 1/4" Jacks, Sequencer
Display Type: LED
Dimensions (WxDxH): 11.5” W x 4” D x 2.5” H / 29 x 10 x 6.3 cm
Weight: 1lb 15 oz / 0.875 kg
Connections
Audio Output Connections: 1/4" Phone Jack, Mono Out
Audio Output Count: 1
CV Ports: CV IN, CV OUT, Gate In, Gate Out
Power: 7.5 - 12 VDC, 100mA
Production
Year Released: 2015
Manuals & Documents

Product Links
Company Product Sites:
[+] rarewaves.net
Pricing
Retail Street Price: $499 - convert
Used Price: $350 - convert
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