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Ge0sync Synth

Ge0sync Synth

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  • TB-EFA Rev2

    Ge0sync Synth
    October 28, 2025

    14hp Manual Cutoff, Drive, Resonance, Chirp, Width, Envelope Mod, Env Decay & Accent & REV2 Added VCA Decay CV Inputs: Gate, Accent, Cutoff, & REV2 Added Resonance, Envelope Mod, Env Decay, Drive, Chirp, VCA Decay REV2 Added “Rubbery ENV Toggle Switch” Audio Inputs: Signal In Audio Outputs: Filter Out The TB-EFA Rev2 is the second…

  • Firmware Update v1.5.4.3

    Ge0sync Synth
    December 5, 2023

    A new release of firmware for both the TB-Seq Eurorack module and the TB-Valhalla v3 desktop synth. Whats New in v1.5.4.3 Pattern ‘Shifting’ Sequencer start/stop via MIDI enable/disable MIDI CC to control accent. A few minor display fixes Pattern shifting allows you to nudge or shift a pattern by one or more steps. So if…

  • GS1-E (batch 220818)

    Ge0sync Synth
    October 24, 2023

    If you are having trouble with the GS1-E not outputting an envelope, you purchased your GS1-E kit from Thonk before June 2023 please check if you have the order batch code ending 220818 – batch code is shown below in the picture in bottom left corner. Assuming you’ve checked all your soldering and parts are…

  • SO16 to PDIP16 Adapter

    Ge0sync Synth
    October 24, 2023

    There are many adapter board available for SO8 to PDIP8, mainly because it fits nicely into the PDIP8 footprint, but I couldn’t find anything that meant it was ‘socket compatible’ when you get a DIP16 IC socket. So… Here is one I designed that uses SMT pin headers and means as long as there is…

  • GS1-U

    Ge0sync Synth
    July 8, 2023

    8hp Audio Inputs : X & Y for Cross Modulation Audio Outputs: Cross Mod, White Noise, Pink Noise CV Inputs : Gate In CV Outputs : Gate Out The GS1-U builds on the GS1-NR utility module and provides three functions. The first is a ring/cross modulator function using the same LM1496 balanced modulator/demodulator IC as…

  • GS1-D

    Ge0sync Synth
    July 8, 2023

    8hp Inputs : Audio In Outputs: Audio Out The GS1-D is a delay module that provides two types of customisable delay. Based on the PT2399 digital delay IC with a delay from 30ms to 340ms, the standard “delay” mode allows for normal echo/delay effects that can range from a flanger (short delay) to a classic…

  • TB-FX

    Ge0sync Synth
    July 8, 2023

    8hp Audio Inputs: Delay In, Overdrive In Audio Outputs: Delay Out, Overdrive Out, White Noise, Pink Noise. Encoder and settings menu in display. The TB-FX Eurorack module is an 8hp effects module that combines both a simple short period delay and gritty overdrive that both compliment the classic 303 tones from the rest of the…

  • TB-EFA 5v Gate Fix

    Ge0sync Synth
    July 2, 2023

    Some variants of the CD4013 that people have been using seem to stall or at least go into an always on state if the gate signal is > 5v. This shows itself as the accent always being on, and the decay knob not adjusting the envelope. You can solve this by attenuating your gate signal…

  • TB-Seq

    Ge0sync Synth
    June 30, 2023

    8hp CV Inputs: Clock In, Run In CV Outputs: V/Oct, Modulation, Clock, Trigger, Gate, Accent Encoder and settings menu in display. Module News: 5th Dec 2023 – New firmware available The TB-Seq Eurorack module and integrated MIDI interface in the Ge0synchronous desktop semi-modular synthesisers combine standard MIDI note to CV V/Oct, gate and trigger conversion…

  • GS1-M

    Ge0sync Synth
    February 25, 2023

    6hp Inputs : Mix in 1 through 4 Outputs: Mix out The GS1-M is a switchable averaging or summing mixer. Typically, with audio signals, you want to provide a unity gain style mixer, i.e. the signals are mixed, or as we call it here, averaged, while maintaining a common gain across all signals. So you…

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Ge0sync Synth

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