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Home / Browse All / Eurorack Accessories / Rack Screws

Rack Screws

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thonksynth

Patterns is a 4 channel Eurorack sequencer designe

Patterns is a 4 channel Eurorack sequencer designed for deep flexibility and hands on performance. Link in bio or go to Thonk.co.uk

Each channel supports up to 64 steps, with essential creative tools like randomisation, probability, gate length control, swing, clock divisions, and more, giving you everything you need to build evolving, dynamic rhythms.

The real power of Patterns lies in its dedicated Pattern button, your instant gateway to 16 different pattern slots. Switch between them on the fly, program your custom pattern chains, or use CV to jump between patterns and create unexpected breaks, fills, and experimental grooves.

Rhythmatic is a 6 voice analogue drum machine base

Rhythmatic is a 6 voice analogue drum machine based on the classic Roland CR-78 and updated with intuitive performance features.

In this video we show how the Music Thing Modular Minidrive can really make Rhythmatic growl and later on accompany it with some chords from the Sebsongs Bread & Butter module.

DIY KIT available at Thonk now! Link in bio or go to thonk.co.uk

Only three places left, link in bio! ----- The S

MUTES is BACK. Mutes from Divkid goes above and b

MUTES is BACK.

Mutes from Divkid goes above and beyond basic muting by allowing you to split groups of signals to multiple destinations, making it great for FX dub performing and varied signal routing.

This new unit uses VCA based technology that offers improvements in noise floor / bleed and the signal integrity passing through the channels. It also retains the well loved response and feel of the original click-free muting and the performable 3 way: MOMENTARY – OFF – ON switches.

go to thonk.co.uk or LINK IN BIO

THE RYK ENVY MACHINE is a compact quad-channel mod

THE RYK ENVY MACHINE is a compact quad-channel modulation machine, with an envious array of Envelopes, LFOs, random voltages even Knob Recording.
With four channels of modulation, ENVY MACHINE makes an ideal companion to the RYK ALGO module.

Kit in stock now at Thonk. Link in bio!

SMITH from Tesseract Modular is an 8 inputs & 8 ou

SMITH from Tesseract Modular is an 8 inputs & 8 outputs precision buffered matrix with presets. Available now as a kit from Thonk. Link in bio.

Each of the 8 outputs can take the signal from any of the 8 inputs, allowing over 16 million possible combinations. This is not a mixer, the same input can be routed to many outputs, but several inputs can’t be present at the same output simultaneously.

The module works with both audio and CV signals, ins & outs have ±10 volts range and minimum offset (1 millivolt approx.), which makes it perfect for distributing V/Oct signals too.

8 scenes can be accessed through the dedicated push buttons but also by CV and trigger.

8 banks (with 8 scenes each, 64 scenes per preset).

8 persistent presets (with 8 banks of 8 scenes each).

This module can be used to store ‘presets’ for your live setup, allowing patch changes and easy rerouting signals with literally just pressing a button.

Another (more chaotic) way to use it is to plug several modulation sources to the inputs (such as envelopes, LFOs, sequenced CVs…) and several modulation destinations to the outputs (filter cutoff, PWM, VCAs…). If you want to introduce a variation in the sound, select a different scene or directly randomise the current one to drastically change ‘what is modulating what’.

Using audio sources can lead us to interesting territories too, sequencing waveform changes or using different processors (filter, distortion, folder…). Keep in mind that the switch performs pretty fast and the signal is passed without any modification (to preserve its accuracy, which is pretty important when using the module for v/oct) so with audio, the switching may be “clicky” depending on the sound source.

Specs:

Width: 12HP

Depth: 35mm

Power Consumption: 47 mA +12V, 14 mA -12V

@tesseract_modular

The ADDAC round cable holder works with any regula

The ADDAC round cable holder works with any regular mic stand to help you keep your modular studio tidy.

It's a high quality product made of powder coated galvanised steel and we think it looks and feels 👌.

Link in bio or head to thonk.co.uk
@addacsystem

The Synth Shed return to Thonk in Brighton on the

These Stubby little boys and girls sit right in a

These Stubby little boys and girls sit right in a niche that we've been trying to fill for a long while in the knob R&D wing at Thonk. In stock now. LINK IN BIO.

ZLOB TREPANATOR kit back in stock on Thonk C

ZLOB TREPANATOR kit back in stock on Thonk

Check out DivKid review on YouTube

I (Steve) will be wandering Superbooth on Thurs an

I (Steve) will be wandering Superbooth on Thurs and Fri as a punter this year, come say hello and tell me what you've seen at the show.

Thonk and Music Thing Modular decided to take a year off presenting a booth this year, this would have been our 9th Superbooth. We're focussing instead on design, production and moving workspace in 2025 but we'll be back on the booths next year. Tom Whitwell is busy cooking up magic in the lab.

I will look jolly like in this photograph. Steve from Thonk.

#superbooth #superbooth25 #superbooth2025
@superbooth_berlin @musicthingmodular

Sebsongs Rhythmatic is a fully featured analog dru

Sebsongs Rhythmatic is a fully featured analog drum machine with six voices from the classic Roland CR-78.

Buy now in assembled OR DIY form at Thonk via the link in bio or visiting Thonk.co.uk

It has Bass Drum, Snare, Conga, Rim, Hats and Cymbal, expanding on the original with adjustable tune and decay controls.

A key feature of Rhythmatic is the big knob in the top centre. This knob and CV jack control a random parameter, adding or subtracting steps from the pre-programmed patterns. For a more busy pattern, turn clockwise, more sparse? turn it the other way! Use it live performance to add quick random fills on the fly. Holding the shift button turns the random knob into a 4 bar loop to record pattern changes and movement on the random knob. Modulate it with whatever you want via the random CV input.

Sequence externally or internally, with 64 programmable drum patterns. Program either using the buttons on the front panel, or via USB with the online pattern editor. Original CR-78 factory patterns are included and can be edited, stored, and switched live via CV. Each drum voice can have its own sequence length for experimental polymetric sequences. The factory patterns contain many of the original CR-78 patterns plus pattern banks created by Sebsongs Modular, Konstantine and Salkinitzor.

Each individual drum has a mute option with clear LED feedback for performance. Each drum has a configurable input/output for each of the voices which can be set as either: trigger inputs for external sequencers or as trigger outputs for controlling other gear from the built-in sequencer.

Rhythmatic features internal swing per pattern and has clock and reset inputs for syncing to external clock sources. There are two audio outputs: output A contains the full mix of all 6 voices, but inserting a patch cable to output B splits the voices in half between the two outputs. All in all Rhythmatic offers a fresh twist on the classic sounds and rhythms of the CR78, with programmability and live performance features that make it a unique addition to any rack.

Introducing an FM Drum circuit that fuses analog

Introducing an FM Drum circuit that fuses analog punch with metallic tones of FM synthesis. This DIY kit offers a wide range of sounds for your patches, from kicks to toms, metallic clangs and more – a great addition of versatile, rhythmic elements to your system!

Link in bio or head over to Thonk.co.uk

Befaco now have a standalone edition of the ONEIRO

Befaco now have a standalone edition of the ONEIROI, it's called the ONEIROI POD.

This experimental synth voice focused on ambient pads and drone-like soundscapes is now on your Desktop!

In collaboration with 4ms™ Befaco have designed this custom pod to achieve the perfect match of your Oneiroi with your desktop synthesisers, effects pedals, modular synthesiser or any other kind of music gear.
A small and portable modular system to exploit the full potential of Oneiroi.

ONEIROI is a full-stereo synthesizer that easily creates dense atmospheres for hypnotic music or cinematic sound design. Featuring three oscillators, four effects, a looper, modulation with complex routing, and a randomizer.

Link in bio or go to Thonk.co.uk

The fantastic AUTOMATOR from Timo Rozendal is in s

The fantastic AUTOMATOR from Timo Rozendal is in stock now at Thonk.

The Automator is a 2-channel tempo-synced CV and Gate recorder with a big playable slider and nice buttons.

Timo has paired it here with the new SDSV+ Simmons style drum module and their FMP, it gives you instant on the spot hands on beats and recorded modulation.

Both available now at Thonk, check the link in the Thonk bio or go to thonk.co.uk and search TIMO.

The new 16MB cards for the Workshop system are out

The new 16MB cards for the Workshop system are out now at Thonk. With these cards you can check out some of the more sizeable projects out there like the fantastic 'Backyard Rain' from @briandorsey

Batch 2 of Workshop System is due soon. Check the links in the Thonk bio for the new 16MB cards and the Batch 2 waitlist.

Buy Scope now at Thonk!

Buy
Scope
now at
Thonk!

The new Labor SCOPE is a super handy add on displa

The new Labor SCOPE is a super handy add on display for the DIY.EDU Labor. The display can function as an oscilloscope, voltmeter, spectrometer and tuner, turning the Labor into a self-contained electronics development and experimentation station.

Labor aims to serve as a universal learning tool for electronics engineering, enabling users to delve into various aspects of electronics design from fundamental concepts to advanced techniques.

Link in bio at Thonk!

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