Not just another clone or continuation of the 808-esque, acid-style kicks of the Mutant Bassdrum – the Mutant BD9 seeks to explore uncharted bassdrum territory by having an integrated sub-oscillator for maximal auditory obliteration.
Parametric bassdrum synthesis offers creative control of the core sound
The primary analog VCO offers classic 909-esque sinusoidal bassdrums, but can also be switched to generate a square wave bassdrum
The PITCH of the VCO spans several octaves, from about 30Hz to 240Hz, and can be modulated with voltage control
A novel PITCH DECAY circuit allows you to adjust the duration and AMOUNT of the pitch-modulation envelope applied to the bassdrum, from short blips to exaggerated tom-like sweeps
The AMPLITUDE DECAY allows adjustment of the length of the bassdrum, from short punchy kicks to massive booms. This parameter is voltage-controlled with a snappy CV response time, allowing you to modulate the duration of your kicks per step.
The CLICK generator is responsible for the attack intensity of the BD9. A fair amount of circuitry goes into creating this subtle punch at the beginning of the kick. The level of this effect is adjustable up to a fairly dramatic extremity.
The overall timbre of the BD9 varies with the DRIVE control from warm, analog bassdrums at low settings to speaker-shattering overdriven sounds at high settings. Output levels are modular-level signals, unlike many classic line-level percussive devices.
Still not heavy enough? Try the sub-oscillator.
A square wave sub-oscillator derived from the primary oscillator’s pitch can be mixed in (manually and with voltage control) to the BD9. The effect can be subtle deepness or extreme timbre changes.
A jumper on the back of the module allows you to select between the sub-osc being a raw square wave or having some of the high frequency components removed with a lowpass filter.
At high OUTPUT DRIVE and SUB LVL combinations, the sub-oscillator can be modulated with CV to saturate the BD9 output in evolving ways.
The SUB OCT can be set to 0, -1 or -2 octaves down from the primary oscillator. A drop of 0 means that you can mix an equal-pitch square wave with a sinusoidal primary wave.
Designed for the contemporary modular synthesizer
Plenty of eurorack-compatible control voltage inputs with bipolar attenuverters allow synthesis of dynamic percussion
A practical analog trigger circuit allows activation of the BD9 from many signal sources (anything with a positive-going edge lasting 2ms or longer). Most electronic drum pads can also directly trigger the Mutant BD9.
An accent input accepts analog voltage control (0 to 5V will fully modulate the volume from low to high)
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The Atlantis is heavily inspired by the architecture and sound of the classic Roland SH-101. It has always been one of our favorite synths and we really liked how the seemingly limited architecture allowed for all sorts of creative and musically useful sounds to be easily generated. Just like the 101, it is quick to dial in a beautifully rich bass and lead sounds but there is much more sonic territory to explore as well.
Modulation VCO: triangle core with Hard Sync and Link switch to connect pitch to primary
Primary VCO: triangle core with Hard Sync, Octave switches, Linear/Exp FM and PWM
Global modulation bus with four VCO waveforms, noise and S&H options
Cascaded 4-Pole multimode filter
Looping ADSR with range switch, manual gate, and external level (velocity) control.
Three position output clipping circuit
27 jacks for creative and complex patching options
Use Fusion Mixer as two independent 3-input mixers (also for stereo signal mixing) or 6-input mixer. Special feature of the Fusion Mixer – great tube overdrive effects when level knobs are set to 3 o’clock and above. When used with drum machines, it even emulates side chain compressors. When used to mix signals from VCOs Fusion Mixer works as wave shaper, especially, if pulse width modulated pulse signals is used in one of inputs.
All Fusion modules by default are configured to work with regular eurorack PSU.
6 audio inputs
Two independent 3-input mixer
Sum of all 6-inputs
Soft tube overdrive
Configurable power supply – standard Eurorack +-12V connection OR Eurorack +-12V plus Erica Synths Tube heater PSU