GIESKES 4RELAY Mechanical Percussion Eurorack Demo Circuit

( Brand: Gieskes ), ( Model: 4RELAY MECHANICAL PERCUSSION SOURCE ), ( Type: Modular Synthesizer ), ( Manufacturer Part Number: 4RELAY )

Review GIESKES Mechanical Percussion Source Eurorack Demo Perfect Circuit

The Gieskes 4Relay Mechanical Percussion Eurorack Demo Circuit is an intriguing and versatile addition to any modular synthesizer setup. This device, designed and manufactured by Gieskes Electro-Mechanics, offers four independently controlled relay-based percussion triggers, each capable of producing distinct mechanical sounds.

Upon first observation, the 4Relay Mechanical Percussion Eurorack Demo Circuit presents itself as a compact, rugged module with a sleek black anodized aluminum front panel. Measuring at 12 HP, it fits comfortably within standard Eurorack cases. The panel is adorned with 16 clearly labeled inputs and outputs, including four trigger inputs for the percussion channels, four output jacks for the percussion signals, and various control inputs for adjusting the sensitivity and response time of each channel.

Each of the four percussion channels can be triggered manually or via CV input, allowing for both spontaneous and controlled sounds. The module features adjustable sensitivity and response time controls, enabling users to fine-tune the percussion sounds to their liking. Additionally, there is an internal clock input for synchronizing the percussion sounds with other rhythmic elements in your modular setup.

The mechanical percussion sounds generated by the 4Relay Mechanical Percussion Eurorack Demo Circuit are truly unique and captivating. The use of relays, as opposed to traditional digital circuits, results in authentic, tactile clicks and pops that add an element of warmth and character to your synthesized creations. These sounds can be used as rhythmic building blocks or as textural accents to enrich your compositions.

In summary, the Gieskes 4Relay Mechanical Percussion Eurorack Demo Circuit is an essential tool for any modular synthesist seeking to add a new dimension of tactile, organic percussion to their electronic music productions. Its rugged construction, intuitive controls, and versatile functionality make it an indispensable addition to any modular setup.

The Gieskes 4Relay Mechanical Percussion Eurorack module is a unique and interesting addition to a modular synthesizer setup, providing four independently controlled mechanical percussion sounds. Here are some pros and cons to consider before making a purchase:

1. Unique sound: The mechanical percussion sounds produced by this module are distinct and different from traditional electronic percussion sounds.

2. Independently controlled: Each of the four percussion sounds can be controlled independently, allowing for complex and intricate rhythms and patterns.

3. Durable: The mechanical design of the module ensures that the percussion sounds will last for a long time, as there are no electronic components that can fail.

4. Versatile: The module can be used to add rhythm and percussion to a wide range of musical genres, from electronic music to experimental sound design.

1. Size: The module is quite large, taking up four HP (hertzperquint) in a Eurorack case.

2. Complexity: The module can be quite complex to program and control, especially for those new to modular synthesis.

3. Expensive: The price point for the module is relatively high, especially when compared to other percussion modules or drum machines.

4. Limited sounds: The module only provides four distinct percussion sounds, which may not be enough for some users.

In conclusion, the Gieskes 4Relay Mechanical Percussion Eurorack module is a high-quality and unique addition to a modular synthesizer setup. Its distinct sounds, independence, durability, and versatility make it a valuable tool for electronic musicians and sound designers. However, its size, complexity, expense, and limited sounds may make it a less practical choice for some users. Ultimately, the decision to purchase the module depends on the individual's needs, preferences, and budget.

If you are looking for a unique and high-quality mechanical percussion module for your Eurorack setup and have the budget for it, then the Gieskes 4Relay Mechanical Percussion Eurorack module is definitely worth considering. However, if you are on a tight budget or prefer a more traditional electronic percussion sound, then you may want to consider other options.

part # 4relay price

• $199.00

specifications synthesasha:

• brand: Gieskes
• model#: 4RELAY MECHANICAL PERCUSSION SOURCE
• type: Modular Synthesizer
• manufacturer part number: 4RELAY

returns synthesasha:

• paid by: Buyer
• method: Money back
• time: 30 Days
• policy: Returns Accepted

seller synthesasha:

• rating: 99.6%
• # reviews: 50458

shipping synthesasha:

• cost: $0.00
• service: Standard
• class: Standard
• type: Fixed
• transit: 4-7 Days

payments synthesasha:

• wallet: Google-pay
• credit card: Diners-club
• other

offer synthesasha:

• started: March 6, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock

general synthesasha:

• Musical Instruments Gear > Pro Audio Equipment > Synthesizers
• condition: Open box

Gieskes 4RELAY Is Similar To:

• Gieskes Oscillatoscope2b 1c Audio Visualizer Gadget - New Perfect Circuit (48.6% similar) $192.00. (November 27th, 2025)
• Gieskes Tr606 Cassette Player Recorder Gadget - New Perfect Circuit (56.3% similar) $199.00. (December 2nd, 2025)
• Gieskes Hss2020 Pocket Synthesizer / Effects Gadget - Demo Perfect Circuit (49.7% similar) $101.00–$119.00. (February 27th, 2026)