Modular Tone Control Circuits for Flexible Timbre Shaping

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Solution Overview

Problem

Current modular musical instrument amplification systems are limited in their ability to allow users to freely shape the timbre of electric instruments and amplifiers, as they often rely on interchangeable pre-amplification modules that replicate traditional gain and tone profiles, and require professional intervention for circuit modification, leading to potential sound loss and interference issues.

Innovation Solution

A modular modding system with freely selectable tone control modules that can be plugged and unplugged to reconfigure the signal chain at various points, including before the preamplifier, in the power amp, and other locations, offering extensive flexibility through a variety of module types, audio connections, power supply options, and bypass functions, along with a continuous shielded cable path to minimize interference.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If professional intervention is required for circuit modification, then circuit modification capability is improved, but ease of operation deteriorates and sound loss/interference risks increase

Engineering Contradiction:
Improvecircuit modification capabilityVSAvoiduser accessibility
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The system transitions from a static, fixed circuit design to a dynamic, reconfigurable architecture where modules can be easily added, removed, or swapped by users without professional intervention. The modular design with standardized connections enables lay users to modify circuits safely and easily, eliminating the need for soldering or complex wiring while reducing the risk of sound loss or interference.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If modular preamplification modules are used, then ease of operation is improved, but the selection is limited to existing built-in circuits

Engineering Contradiction:
Improvemodule interchangeabilityVSAvoidcircuit selection range
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The modular preamplifier system is designed with universal, standardized interfaces and a broad library of modules that can be mixed and matched in numerous configurations. Each module type (input, gain, tone stack, etc.) can be combined with various others to create countless unique circuit arrangements, far exceeding the limited selections in traditional amplifiers while maintaining ease of operation through consistent connection methods.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentEP4336488A1A method and a system for the direct exchange of tone control modules shaping the tone colour as a modular modding system for e-instruments, amplifiers and music devices
Publication Date: 2024.03.13 KINDLEIN EMIL
  • EP4336488A1 patent drawingFigure 1A~1C
  • EP4336488A1 patent drawingFigure 2A~3B
  • EP4336488A1 patent drawingFigure 4A~5

AI summary

A method and system that allows the user to modify circuits to shape the tone of an electric instrument, amplifier, or musical device. The system consists of a modular modding structure, a multiplier, and a variety of tone control modules that can be plugged in at various points in the signal chain in any combination. Furthermore, switching options are available for controlling bypass, for advanced series or parallel circuits, and for A/B testing. This modular modding system can be used as a standalone device or as an upgrade for existing equipment.