Modular Loudspeaker System With Internal Sound Passage
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Solution Overview
Problem
Conventional loudspeaker systems require multiple cabinets to achieve full frequency range at high sound levels, leading to space inefficiency and increased setup time, especially when suspended or stacked configurations are used.
Innovation Solution
A modular loudspeaker system where adjacent cabinets are connected via sound passages to emit sound from a single face, eliminating the need for stacking and allowing for more compact arrangements while maintaining full frequency range coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If multiple loudspeaker cabinets are stacked on top of one another or arranged side-by-side to achieve full frequency range, then the full frequency range is emitted at high sound levels, but valuable stage space is occupied and towers are required
Solution Approach 1:
The invention transitions from traditional stacking arrangements (vertical dimension) to a horizontal tandem arrangement where cabinets are placed one behind another. The sound passage extends from the rear face of the first cabinet to the front face, allowing sound to travel through the first cabinet's body. This dimensional reconfiguration reduces the need for vertical stacking and associated tower infrastructure.
Solution Approach 2:
The sound passage is integrated within the body of the first loudspeaker cabinet, effectively nesting the passage structure inside the cabinet volume. This allows the sound transmission path to occupy space that would otherwise be unused, enabling compact arrangement of multiple cabinets without increasing overall footprint.
2Area of stationary object
If loudspeaker cabinets are suspended to avoid occupying stage space, then space is saved, but further infrastructure is required which increases costs and set-up time
Solution Approach 1:
The invention extracts the sound transmission function from the traditional cabinet front face only, creating a dedicated sound passage that extends through the cabinet body to the rear face. This allows the second cabinet to be positioned behind the first while still delivering sound forward, eliminating the need for suspension infrastructure while maintaining space efficiency.
3Quantity of substance
If multiple loudspeaker cabinets are arranged in traditional configurations, then full frequency range is achieved, but assembly and disassembly become time-consuming
Solution Approach 1:
The invention creates a dynamic, flexible arrangement where cabinets can be quickly configured in tandem positions rather than fixed stacked arrangements. The standardized interface and integrated sound passage design allow for rapid assembly and disassembly, reducing set-up time while maintaining the ability to achieve full frequency range coverage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular design reduces space requirements and simplifies assembly and disassembly, providing effective sound distribution without the need for additional infrastructure, thus optimizing space usage and setup efficiency.
Implementation Method 1
a first loudspeaker for producing sound
Implementation Method 2
the sound produced by the second loudspeaker, in use, travels through the first passage to be emitted through the first face of the first loudspeaker cabinet
Data Source
AI summary
To provide flexibility in multiple loudspeaker combinations, and reduced space requirements, a modular loudspeaker system is provided comprising a first loudspeaker cabinet 10 having a first face 40, and a first loudspeaker 30 for producing sound, in use, to be emitted through the first face, the first loudspeaker cabinet including a first passage 50 arranged such that with a second loudspeaker cabinet 20, including a second loudspeaker 80, placed adjacent the first loudspeaker cabinet 10 the sound produced by the second loudspeaker 80, in use, travels through the first passage 50 to be emitted through the first face 40 of the first loudspeaker cabinet 10.