KennethJackson.Tech

Creative Technology & Digital Production in Amarillo, Texas

Author: Kenneth Jackson

  • Behringer – 140-Dual Envelope, LFO – Notes

    Behringer – 140-Dual Envelope, LFO – Notes

    The Behringer 140 is a faithful analog reproduction of the Roland System 100M 140 Dual Envelope/LFO module from the early 1980s. It combines two independent ADSR envelope generators with a versatile low-frequency oscillator (LFO) in a compact 16 HP package. The envelopes offer classic percussive curves with manual trigger buttons and gate inputs, while the…

  • Behringer – 130-DUAL-VCA – Notes

    Behringer – 130-DUAL-VCA – Notes

    The Behringer 130 is an authentic analog recreation of the Roland System 100M 130 Dual VCA module from the early 1980s. It packs two independent voltage-controlled amplifiers into a slim 16 HP, each with a built-in 3-channel audio mixer, three CV inputs with attenuators, manual gain control, switchable linear/exponential response, dual outputs (low/high impedance), and…

  • Behringer – 121 – Dual VCF – Notes

    Behringer – 121 – Dual VCF – Notes

    The Behringer 121 is a precise analog recreation of the Roland System 100M 121 Dual VCF module from the early 1980s. It provides two independent 24 dB/octave low-pass filters in a compact 16 HP package, each with resonance control, a built-in 3-channel audio mixer, three CV inputs for cutoff modulation, and a selectable fixed high-pass…

  • Behringer – 112 – Dual VCO – Notes

    Behringer – 112 – Dual VCO – Notes

    The Behringer 112 is a compact, authentic reproduction of the Roland System 100M 112 Dual VCO module from the early 1980s. It delivers two independent analog voltage-controlled oscillators in just 16 HP, each with rich waveforms, pulse-width modulation, multiple CV inputs for 1V/oct tracking, sync capabilities, and individual outputs—making it an ideal building block for…

  • Behringer – 110 – VCO/VCF/VCA – Notes

    Behringer – 110 – VCO/VCF/VCA – Notes

    The Behringer 110 is a compact, faithful recreation of the legendary Roland System 100M 110 module from the early 1980s. It packs a complete analog synth voice—VCO, VCF, and VCA—into just 16 HP with internally normalled signal flow for instant patch-and-play fun, while still offering plenty of patch points for deeper modular experimentation. Perfect as…

  • Behringer Eurorack Module Guide

    Behringer Eurorack Module Guide

    Behringer Eurorack System With over 60 modules spanning oscillators, filters, envelopes, sequencers, effects, and utilities, Behringer’s eurorack line offers everything needed to build a complete modular synthesizer system. The collection’s affordability makes it practical to explore different synthesis approaches—from pure Moog-style vintage analog with the 900-series modules, to complex digital synthesis with the Mutable Instruments…

  • Markdown Cheat Sheet

    Markdown Cheat Sheet

    A quick reference to the Markdown syntax. Overview This Markdown cheat sheet offers a concise overview of all Markdown syntax elements. While it may not encompass every edge case, for more detailed information on any of these elements, please consult the reference guides for basic syntax and extended syntax. Basic Syntax: These elements are outlined…

  • Behringer – Abacus – Music Computer

    Behringer – Abacus – Music Computer

    The Behringer Abacus — officially titled the ABACUS Analog Music Computer — is one of the most talked-about budget entries in the Eurorack ecosystem. Released around 2023 (with widespread availability continuing into 2025–2026), this 20 HP module democratizes extremely powerful function generation and voltage processing that was previously locked behind much higher price points. At…

  • Behringer – 297 Dual Portamento and CV Utilities – Notes

    Behringer – 297 Dual Portamento and CV Utilities – Notes

    This is the Behringer System 100 297 Dual Portamento/CV Utilities Module, combining portamento and mixer functions. It’s an authentic recreation of the original 1980s “System 100M” circuitry, designed to fit seamlessly into a standard Eurorack case. Best of all, it’s budget-friendly! Integrate the 297 into your current setup or kick off your modular synth adventure…

  • Yamaha – MX-88 – Synthesizer Notes

    Yamaha – MX-88 – Synthesizer Notes

    I originally purchased the Yamaha MX-88 for use as a stage piano for visiting musicians. The Yamaha MX-88 is a Yamaha Motif with a crappier interface and MIDI implementation. The sound engine is identical and hackable.