Offset-Riser Speaker Stand for Stable 3D Loudspeaker Positioning
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Solution Overview
Problem
Current loudspeaker stands lack the necessary stability, adjustability, and portability to support massive loudspeakers effectively, especially in high-end acoustic applications, and are not suitable for creating a precise three-dimensional sound stage, which is essential for advanced sound reproduction techniques like Dolby Atmos, due to resonance issues and the high cost of fixed installations.
Innovation Solution
A speaker stand design featuring a base with arcuately shaped massive anchors, an upright with offset risers, and a novel clamp system providing three axes of rotation and reciprocation, allowing for precise and secure positioning of loudspeakers while minimizing resonance and vibration, and enabling easy reconfiguration and relocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fixed installation is used to support massive loudspeakers, then stability and sound quality are improved, but cost and flexibility deteriorate
Solution Approach 1:
The stand employs dynamic adjustment mechanisms including telescopic legs with locking mechanisms that allow height adjustment, and articulating arms with multiple degrees of freedom for positioning. The system transitions from static fixed installations to dynamic adjustable structures, enabling the same stand to adapt to different loudspeaker configurations and room layouts while maintaining stability through mechanical locking features.
2Reliability
If a fixed installation is used to support massive loudspeakers, then stability and sound quality are improved, but cost deteriorates
Solution Approach 1:
The stand is divided into modular components including separate telescopic legs, articulating arms, mounting brackets, and locking mechanisms. This segmentation allows for standardized mass production of individual modules, reducing manufacturing costs compared to custom-built fixed installations, while enabling flexible assembly and disassembly for different applications.
3Reliability
If massive anchors are used in the base, then stability is improved, but weight and portability deteriorate
Solution Approach 1:
The design incorporates counterbalancing mechanisms where adjustable positioning features and movable components offset the weight of the massive base anchors. The telescopic and articulating features allow the center of gravity to be adjusted, effectively counterbalancing the heavy base to improve portability while maintaining stability during operation.
4Adaptability or versatility
If adjustable positioning features are added, then adaptability and precision are improved, but device complexity deteriorates
Solution Approach 1:
The stand integrates multiple functions into unified components: the telescopic legs provide both height adjustment and structural support, the articulating arms combine positioning and mounting functions, and the locking mechanisms serve both security and positioning purposes. This multi-functionality reduces the number of separate components needed, thereby managing complexity while enhancing adaptability.
Data Source
AI summary
A speaker stand has a base, an upright, and one or more quick release speaker couplers. The base has a plurality of arms, anchors, and optional removable stability plates. The upright has a lower vertical riser defining a first vertical riser longitudinal axis, an upper vertical riser parallel with and axially offset from the first vertical riser longitudinal axis, and an angled intermediate riser connecting the lower and upper vertical risers together. The quick release speaker coupler suspends a loudspeaker enclosure bracket to the upper vertical riser even when not clamped thereto, while providing three displaced axes of rotation for the loudspeaker enclosure, two that are parallel to the lower vertical riser longitudinal axis and one angularly offset thereto, and at least one axis of reciprocation. The radial offset of the loudspeaker from the upper vertical riser centers the mass of the loudspeaker enclosure with the base.