Detail 01
Analog VCO with sine and square modes
The primary oscillator can be switched between sine and square-wave operation.
Product detailSKU #1500000474639
Erica SynthsHexinverter Mutant BD9 Bass Drum Eurorack Module
modernelectronicpop
Independent shopping perspective
The Korena take
Mutant BD9 is a 13HP analog bass-drum voice centered on an analog VCO with sine and square-wave modes. Pitch, pitch-decay amount and time, plus voltage-controlled amplitude decay, provide direct control over the drum’s contour. An adjustable click shapes the attack, while the output drive and square-wave sub-oscillator add further stages of control; the sub level also accepts CV. Trigger and accent inputs make it ready to place in a Eurorack drum patch, with a 1/8-inch analog output for its sound.
Strong match
Who this is for
- Creating Eurorack bass-drum parts with adjustable pitch decay, amplitude decay, click, drive, and sub level.
- Triggering and accenting a dedicated analog kick voice within a modular drum patch.
- Using CV control over pitch, amplitude decay, or square-wave sub-oscillator level.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Approximately 30Hz–240Hz
This is the listed frequency range for the module.
Detail 03
Pitch, amp-decay, and sub-level CV inputs
Those three parameters can be controlled by incoming CV.
Detail 04
13HP wide, 1.3 inches deep
Allow 13HP of panel width and 1.3 inches of mounting depth.
Final check
Know before you order
- 01A Eurorack case and power supply are required.
- 02Allow ±12V 50mA in the system power budget.
- 03Plan for a 13HP space and 1.3-inch module depth.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What inputs does Mutant BD9 have?
It has trigger and accent inputs, plus CV inputs for pitch, amplitude decay, and sub level.
02Can the oscillator use a square wave?
Yes. Its analog VCO has sine and square-wave modes.
03Does it include a sub-oscillator?
Yes. It uses a square-wave sub-oscillator derived from the primary oscillator, with level control.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsSound
- Frequency Range
- Approximately 30Hz–240Hz
4 detailsPickups & controls
- Sub Level Control
- Sub-oscillator level control
- Drive Control
- Output drive knob
- Pitch Controls
- Pitch, pitch decay, pitch decay amount and pitch CV knobs
- Amplitude Controls
- Amp decay and amp decay CV knobs
1 detailsPlayability
- Neck Shape
- U
1 detailsBody & build
- Color
- Black
6 detailsConnections & power
- Accent Input
- Accent input
- Power Usage
- ±12V 50mA
- Trigger Input
- Trig input
- Cv Inputs
- Pitch, amp decay and sub level
- Analog Output
- 1 x 1/8 inch
- Power Supply
- Eurorack case and power supply required
2 detailsSize & weight
- Depth
- 1.3 inch
- Width
- 13HP
8 detailsOther
- Pitch Decay
- Adjustable pitch decay time and amount
- Click Generator
- Adjustable attack click level
- Product Type
- Eurorack bass drum synthesizer module
- Amplitude Decay
- Voltage-controlled amplitude decay
- Sub Oscillator
- Square wave sub-oscillator derived from primary oscillator
- Model
- Mutant BD9
- Synthesis Type
- Analog bass drum synthesis
- Oscillator Type
- Analog VCO with sine and square wave modes
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