Announcing Caveman Eurorack Modules

Available Summer 2025 via dealers and michigansynthworks.com

Michigan Synth Works & Neutron Sound Presents

Caveman Modules

High-Quality, Low-Cost Eurorack Modules and Hardware

Caveman Modules is a collaboration between Michigan Synth Works and Neutron sound focusing on affordable, quality modules with unique features and functionality. Caveman Modules are designed to be simple to use and are perfect for musicians just breaking into the eurorack world while still offering higher level functionality for more advanced users.

The Launch Line-Up

30SC: A voltage-controlled oscillator inspired by the legendary Roland TB-303 with square, tri, and 2 saw outputs. 3OSC also features an innovative hard sync input for chaining multiple units and an FM modulation attenuverter.

Specifications

• Width: 6HP

• Depth: 25 mm

• Current Draw: +12 V: 6mA, -12 V: 6mA

• Price: US$100

ADSR: An AS3310 based envelope generator with per stage CV control, LED indicator, and Manual trigger

Specifications

• Width: 6HP

• Depth: 25 mm

• Power Supply: Eurorack Power

• Current Draw: +12 V: 21mA, -12 V:23mA

• Price: US$100

2 VCA: An OTA based 2 channel voltage-controlled amplifier with linear or logarithmic responses and LED indicator

Specifications

• Width: 6HP

• Depth: 25 mm

• Current Draw: +12 V: 21mA, -12 V: 20mA

• Price: US$75

Poliroks: Low Pass and Band Pass filter based on the Polivoks filter with built in VCA and cutoff attenuverter

Specifications

• Width: 6HP

• Depth: 25 mm

• Current Draw: +12 V: 10mA, -12 V: 10 mA

• Price: US$100

MUL: Simple passive multiple with two 4 channel zones

Specifications

• Width: 2HP

• Depth: 15 mm

• Price: US$50

CaveKeys Eurorack: An expandable, touch-sensitive keyboard controller with MIDI I/O, 2x CV/Gate outputs, Arpeggiator, Step sequencer and more! Cavekeys consists of a touch keyboard tile and the Cranium control module that can connect up to 7 octaves tiles. The modules can be mounted in a standard 3u case or the svelte Cavekeys 3 octave desktop enclosure.

• Two CV/gate outputs

• MIDI in and out

• Clock, CV, and pedal inputs

• Built-in arpeggiator with hold and transpose functions

• Simple sequencer with tie, rest, glide, and ratchet-able steps

• Joystick can control octave, bend, gate length and more.

Specifications for CaveKeys Cranium

• Width: 9HP

• Depth: 25 mm

• Power Supply: Eurorack Power

• Current Draw: +12 V: 58 mA, -12 V: 2 mA

• Price: US$150 (includes Cranium Control board and 1x CaveKeys One-Octave Tile)

Specifications for CaveKeys One-Octave Expansion Tile

• Width: 25HP

• Depth: 10 mm

• Price: $50

CaveKeys Desktop: The desktop version of Cavekeys includes one Cranium Module and 3 octave tiles in an ultra-slim desktop enclosure.

• Includes Desktop case, 1x Cranium Control module, 3x 1 Octave Cavekeys Tiles

• Dimensions: 435x130x30, 1kg

• USB C 5V powered

• Price: $250

The Caveman Case: Lightweight 84HP Powered Eurorack case. Steel case, pretty wood sides, M3 threaded strips.

• Detachable desktop legs in variety of tilt angles

• Quick Access Rack Ears. Easy, tool-less in and out.

• Stackable and power chainable

• Power capacity can be easily expanded with chainable powered bus boards

• Includes 1x Stone of Power module

Specifications

• Power Supply: 100-240V AC Adapter, DC 12 V, 3A Output

• Current Capacity: +5 V: 1 A, +12 V: 1 A, -12 V: 300 mA with one Stone of Power module

• Price: US$130

Stone of Power Powered Bus Board: This doubles the available power in the Caveman case by adding a second power supply with 7 additional power ports. Simple installation

Specifications

• Powered by existing Stone of Power bus board

• Output Voltage: DC +12 V: 1 A, DC -12 V: 300 mA

• Price: US$50

The Caveman Modules will be available summer 2025.

All prices and specs subject to change









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