1. What Is This Structure?

At first glance, the product can look like one very tall Ringlock tower.

That description is incomplete.

The complete arrangement should be understood as:

4m Auxiliary Tower

16m Main Tower

4m Auxiliary Tower

The central/main tower provides the tall vertical structure associated with the line-array system.

The two lower auxiliary structures create additional support zones around the base area.

This means the system is not simply:

one 16m tower

but rather:

one 16m main sound-support tower + two 4m auxiliary base towers.

That relationship is the most important feature of this particular configuration.

2. Primary Structural Function

The primary function is sound support, specifically for a concert line-array system.

Therefore, its DragonStructure classification should be:

Primary Category: Sound Support Structure

System Family: Ringlock Structure

This is more precise than classifying it simply as scaffolding.

The Ringlock components are the structural system.

The line-array application defines what the complete structure is intended to do.

3. Overall Configuration

The height difference is substantial:

Main tower: 16m

Auxiliary towers: 4m

So the auxiliary structures are only approximately one-quarter of the height of the main tower.

They should therefore not be mistaken for three equal-height line-array towers.

4. The Core Geometry: 16m + 4m + 4m

This configuration becomes much easier to understand when separated into three modules.

Module A — 16m Main Tower

This is the dominant vertical structure.

Its height creates the elevated zone required by the line-array arrangement.

Module B — First 4m Auxiliary Tower

This lower Ringlock structure is positioned around the base/support zone of the main system.

Module C — Second 4m Auxiliary Tower

A corresponding lower auxiliary structure is used on the other side.

Conceptually:

Auxiliary Support

4m

↕

MAIN LINE ARRAY TOWER

16m

↕

Auxiliary Support

4m

The system therefore has a clear hierarchy:

Tall central/main structure

Lower auxiliary structures

rather than three equivalent towers.

5. Why the Two 4m Towers Matter

If the page only says “16m Ringlock Line Array Tower,” an important part of the real structure disappears.

The two 4m auxiliary towers are not another pair of 16m speaker towers.

They are separate lower structural modules associated with the main tower's base/support arrangement.

This creates a broader structural configuration at the lower part of the system than the main vertical tower alone would suggest.

In other words, there are two different dimensions to understand:

Vertical scale

→ dominated by the 16m main tower.

Lower support arrangement

→ expanded by the two 4m auxiliary structures.

This is why I recommend putting Twin 4m Auxiliary Bases directly into the DragonStructure product name.

6. Main 16m Ringlock Tower

The main tower is assembled from modular steel Ringlock components.

At system level, its geometry is created through:

Base Components

↓

Vertical Standards

Horizontal Ledgers

Diagonal Bracing

↓

Repeated Ringlock Levels

↓

Upper Tower Section

↓

Line-Array Hoisting / Support Zone

The structure reaches approximately 16m by continuing the modular Ringlock grid vertically.

It is therefore not one fabricated 16m steel column.

It is a repeated modular tower system.

7. Vertical Standards

Ringlock standards create the main vertical framework.

Each standard contains repeated rosette connection positions, allowing horizontal ledgers and diagonal braces to be connected at multiple levels.

For a tall structure like this, the visual logic is straightforward:

Lower Ringlock Module

↓

Repeated Intermediate Modules

↓

Upper Ringlock Module

↓

Top Support / Hoisting Zone

The 16m overall height results from the complete assembled configuration rather than from one individual component.

8. Horizontal Ledgers

Horizontal Ringlock members connect the vertical standards and establish the tower bays.

They work in both horizontal directions:

X direction

→ connects standards across one face.

Y direction

→ connects standards across the adjacent face.

Together with the standards, these members create the repeated rectangular grid of the tower.

The same Ringlock principle is used in the lower 4m auxiliary structures.

9. Diagonal Bracing

The diagonal members can be understood as the components that change selected rectangular bays into braced bays.

The geometric relationship is:

Standards + Ledgers

→ modular rectangular frame

then:

Diagonal Braces

→ braced Ringlock bays

This principle repeats through the tall main tower and the lower auxiliary modules according to their respective configurations.

This is a structural-system explanation based on Ringlock geometry, not a project-specific calculated load statement.

10. The Main Tower and Auxiliary Towers Do Different Jobs

One of the most useful ways to understand this structure is to stop thinking of all three towers as the same thing.

They are not.

This is why simply calling the complete system a 16m scaffold tower hides too much information.

11. Top Hoisting / Line-Array Interface

A line-array tower is different from an ordinary scaffold access tower because its upper zone is associated with the sound-system support and hoisting arrangement.

The related Ringlock tower system uses a dedicated steel top section with wheels for the line-array / speaker hoisting system; this type of component also appears in the related DragonTruss line-array tower family.

Conceptually:

Ringlock Main Tower

↓

Top Structural Section

↓

Hoisting Interface

↓

Line Array

However, the presence of a hoisting interface does not establish a universal allowable speaker weight.

The actual line-array configuration must be checked against the equipment and project requirements.

12. Sound Equipment Is Not the Same as the Support Structure

The structure and the sound equipment should be treated as two different systems.

Structural System

Includes:

• Ringlock standards;

• horizontal ledgers;

• diagonal braces;

• base/support components;

• main tower;

• auxiliary towers;

• top structural/hoisting components.

Sound System

May include:

• line-array loudspeakers;

• rigging hardware;

• lifting equipment;

• speaker cabling;

• other audio components.

DragonStructure is analyzing the temporary structure supporting the sound-system arrangement.

It is not defining the acoustic design of the PA system.

13. Why a 16m Sound Tower Is Structurally Different From a 6m or 8m Tower

The main difference is not simply:

“Use more vertical standards until it becomes taller.”

As tower height changes, the complete configuration may also change.

That can include:

• number of vertical Ringlock levels;

• number of standards;

• ledger quantities;

• diagonal-brace quantities and arrangement;

• base/support configuration;

• auxiliary structure configuration;

• access arrangement;

• speaker elevation;

• top-section position;

• site-specific stability requirements.

Therefore a 16m tower should be treated as its own structural configuration.

It should not be presented as a 6m tower with “10m added on top.”

14. The Two 4m Auxiliary Towers Create a Wider Lower Structure

The main tower reaches 16m, but the complete system occupies more than the footprint of that main tower alone.

The two 4m auxiliary towers create additional lower structural zones.

A simplified front view can be understood as:

4m Auxiliary 16m Main Tower 4m Auxiliary

This distinction is particularly useful when reviewing:

• available site footprint;

• relationship to the stage;

• speaker position;

• nearby structures;

• backstage circulation;

• installation space.

The reader should therefore consider both:

height envelope

and

ground-level structural envelope.

15. BOQ — How to Read the Component List

The attached source page includes the BOQ for this Ringlock tower system. For DragonStructure, the BOQ should not be treated merely as a purchasing list; it should be read according to which part of the three-module structure each component creates.

The useful component groups are:

The source confirms the defining configuration as a 16m main Ringlock tower with 4m auxiliary tower structures.

Important: where the original BOQ provides exact quantities, those quantities should remain the controlling source. They should not be reconstructed by counting members from product renderings or photographs. DragonStructure's own Product rules explicitly prohibit inventing missing structural quantities.

16. BOQ Logic: Separate the Main Tower From the Auxiliary Bases

For this particular product, I recommend reading the BOQ in two levels.

A. Main 16m Tower BOQ

These components create:

Main Base

→ 16m Vertical Ringlock Grid

→ Bracing

→ Upper Support / Hoisting Zone

B. Twin 4m Auxiliary Tower BOQ

These components create:

Auxiliary Base 1 — 4m

Auxiliary Base 2 — 4m

The important point is that the BOQ does not represent one uniform tower.

It represents a main structure plus auxiliary structural modules.

This distinction should remain visible when the structure is customized.

17. Assembly Logic

At structural-breakdown level, the system can be understood through the following modular sequence:

1. Establish the full footprint

This includes the main tower and the positions of both auxiliary 4m towers.

↓

2. Set the lower Ringlock support/base positions

↓

3. Build the first Ringlock level of the main tower

↓

4. Connect horizontal ledgers

↓

5. Install the corresponding diagonal bracing

↓

6. Build the two auxiliary structures to their approximately 4m height

↓

7. Continue the main tower vertically beyond the auxiliary structures

↓

8. Repeat main-tower ledger and bracing modules

↓

9. Complete the main structure to approximately 16m

↓

10. Install the confirmed upper support/hoisting arrangement

↓

11. Integrate the line-array equipment according to the confirmed project configuration

This describes modular assembly logic only. It is not a complete engineered erection procedure.

18. One Important Visual Boundary: 4m Does Not Mean the Main Tower Base Is 4m High

This configuration can easily be misunderstood.

The two auxiliary towers are approximately 4m high.

That does not mean:

the 16m main tower starts on top of a 4m platform and therefore reaches 20m.

The confirmed product description identifies:

main tower = 16m

and

auxiliary tower = 4m.

They are different structural modules within the same overall sound-support system.

This distinction should be kept clear in drawings, product descriptions and quotation discussions.

19. Line-Array Position Must Be Defined Separately From Tower Height

Another common misunderstanding is:

16m tower height = 16m speaker hanging height.

That should not be assumed.

The tower's overall structural height and the actual line-array suspension/equipment elevation are different measurements.

Actual equipment position depends on:

• top-section geometry;

• lifting arrangement;

• line-array dimensions;

• rigging connection;

• required elevation;

• clearance.

Therefore, when adapting this product, request both:

required tower height

and

required line-array hanging elevation.

20. Access Is a Separate Requirement

A Ringlock line-array tower should not automatically be described as a working scaffold simply because it is made from scaffold-derived components.

If technicians require access for:

• rigging;

• inspection;

• cable work;

• maintenance;

• connection checks;

the project should separately define whether it needs:

• ladders;

• stairs;

• internal access;

• working platforms;

• guardrails;

• other access components.

Do not assume these are included unless they appear in the confirmed BOQ or drawing.

21. Relationship to Other Ringlock Sound Towers

This structure belongs to the same general family as lower Ringlock line-array support towers, but its 16m main height and twin 4m auxiliary bases make it a distinct configuration.

A useful way to think about the family is:

Lower Sound Tower

→ compact vertical Ringlock support.

Medium-Height Line Array Tower

→ taller repeated Ringlock grid with dedicated upper sound-support arrangement.

16m Main Tower + Twin 4m Auxiliary Bases

→ tall main support combined with separate lower auxiliary structures.

So this product should not compete with an existing 6m or 8m page merely by saying:

“This one is taller.”

Its unique structural question is:

How is a very tall 16m main line-array tower combined with two much lower 4m auxiliary support structures?

That gives this page its own DragonStructure value.

22. Suitable Applications

This configuration is relevant to temporary event projects requiring a tall independent sound-support structure, including:

• outdoor concerts;

• music festivals;

• large temporary stages;

• touring productions;

• outdoor line-array systems;

• temporary PA support zones;

• event sites where the sound tower is arranged beside the main stage.

The actual suitability of this exact 16m configuration for a specific event must be confirmed from project information.

23. Customization Variables

The structure can be adapted, but several variables must be considered together.

Main Tower Height

The confirmed configuration is approximately 16m.

Changing the height changes the Ringlock component combination and may affect the complete structural arrangement.

Auxiliary Tower Height

The confirmed auxiliary towers are approximately 4m high.

They should not automatically be scaled proportionally when the main tower height changes.

Line-Array Size

Provide:

• array height;

• array width;

• number of cabinets;

• total equipment weight;

• rigging configuration.

Hanging Elevation

The desired speaker elevation must be distinguished from overall tower height.

Tower Footprint

Available ground space affects how the main and auxiliary structures can be arranged.

Access

Technician access must be defined if required.

Outdoor Environment

Outdoor use introduces project-specific conditions that cannot be resolved from the commercial product name alone.

24. What Information Is Needed Before Adapting This Structure?

For a similar line-array support structure, provide:

• event type;

• indoor or outdoor use;

• main tower target height;

• required line-array hanging height;

• line-array brand/model if known;

• number of speaker cabinets;

• dimensions of each cabinet;

• total suspended equipment weight;

• rigging frame information;

• hoist type and arrangement;

• available footprint;

• required relationship to the main stage;

• whether one or two sound towers are required;

• access requirements;

• site photos;

• site plan;

• ground/site information;

• existing Ringlock components if reuse is planned;

• project location and applicable site requirements.

This allows the structural configuration to be developed through:

Sound Requirement

→ Required Speaker Elevation

→ Main Tower Height

→ Tower Footprint

→ Auxiliary Support Arrangement

→ Top / Hoisting Interface

→ Access Requirements

→ Final BOQ

25. Engineering / Verification Boundary

Confirmed Facts

From the supplied product information and current project description:

• the main system is steel Ringlock;

• the primary application is outdoor concert line-array support;

• the main tower is approximately 16m high;

• there are two auxiliary base/support towers;

• the auxiliary towers are approximately 4m high each;

• the structure belongs functionally to the line-array / sound-support family.

The original product page explicitly states that the main tower is 16m and the auxiliary tower is 4m.

Structural Interpretation

Based on the supplied configuration and normal Ringlock system geometry:

• standards create the vertical grids;

• ledgers establish horizontal tower bays;

• diagonal braces create braced bays;

• the main tower and auxiliary towers form different structural zones;

• the top zone interfaces with the line-array hoisting/support arrangement.

These are configuration explanations, not verified engineering calculations.

Not Established by the Supplied Information

This page does not establish:

• maximum speaker weight;

• maximum hoisting capacity;

• allowable point load;

• wind rating;

• operating wind speed;

• ballast quantity;

• anchoring requirement;

• foundation requirement;

• ground bearing requirement;

• overturning resistance;

• safety factor;

• certification;

• local-code compliance;

• engineering approval.

For a 16m outdoor tower supporting suspended line-array equipment, these issues require project-specific verification rather than assumptions based on a previous product configuration. DragonStructure's governing rules specifically prohibit converting project experience into unsupported engineering conclusions.

26. Related DragonStructure Pages

Sound Support Structure

https://www.dragonstructure.com/Sound-Support-Structure-pl08155276.html

This should be the primary internal link. The Dragon Internal Link Library specifically records this page for sound support structures, PA towers, line-array support and Ringlock sound towers.

Ringlock Structure

https://www.dragonstructure.com/Ringlock-Structure-pl04775276.html

Use this when the reader wants to understand the wider family of temporary Ringlock structures rather than only sound-support applications.

27. Original DragonTruss Product

Original Product Name:

16m Steel Scaffold Ringlock Truss Tower for Concert Line Array System Outdoor

Original Product URL:

https://www.dragontruss.com/16m-Steel-Scaffold-Ringlock-Truss-Tower-for-Concert-Line-Array-System-Outdoor-pd501075548.html

The original page is a DragonTruss manufacturer/product page. It describes the commercial product as a 16m steel Ringlock tower for an outdoor concert line-array system and notes the 4m auxiliary tower.

The two pages therefore have deliberately different roles:

DragonTruss

→ What 16m steel Ringlock line-array tower system can we manufacture and supply?

DragonStructure

→ How is a line-array support structure configured when the main tower rises to 16m but the lower support arrangement also includes two separate 4m auxiliary towers?

That distinction follows the DragonStructure Product requirement to explain function, geometry, modules, integration, assembly logic and BOQ/component relationships, rather than reproduce a manufacturer catalogue page.

FAQ

Why are there two 4m auxiliary towers if the main tower is already 16m high?

Because the complete structure is not simply one isolated vertical tower. The 16m main tower forms the dominant high-level line-array support structure, while the two 4m auxiliary towers form separate lower support zones around the main system.

Are the auxiliary towers also 16m high?

No. In this configuration, the main tower is approximately 16m, while each auxiliary tower is approximately 4m high.

Does 16m tower height mean the speakers hang at 16m?

Not necessarily. Overall structural height and actual line-array hanging elevation are different dimensions. The equipment position depends on the top section, rigging and hoisting arrangement.

Is this an ordinary access scaffold tower?

No. Its primary function is sound support for a line-array system. Although the structural system uses Ringlock scaffolding components, the complete configuration is a specialized temporary event sound-support structure.

Why use Ringlock for a tall line-array tower?

Ringlock allows a tall three-dimensional tower to be assembled from repeated standards, ledgers and diagonal braces. Its modular nature also allows the main and auxiliary structures to be configured from related component families.

Can the 16m main tower be changed to another height?

The modular system can be reconfigured, but a height change should trigger a review of the complete component combination, bracing arrangement, top interface, auxiliary structures, access and project-specific requirements.

Can I use the same two 4m auxiliary towers with any main tower height?

That should not be assumed. The 4m + 16m configuration describes this specific structure. A different main tower height or equipment arrangement may require a different auxiliary configuration.

Can this tower support any line-array system?

No universal compatibility or capacity should be inferred. The line-array dimensions, total suspended weight, rigging frame, hoisting arrangement and required elevation need to be provided for project-specific review.

Is this structure suitable for outdoor concerts?

The supplied product is specifically described for outdoor concert line-array use. However, outdoor suitability for a particular site—including wind, anchoring, ballast/foundation and other stability requirements—requires project-specific verification.

Structure Classification

Recommended DragonStructure Product Name:
16m Ringlock Line Array Support Tower with Twin 4m Auxiliary Bases

Original DragonTruss Product Name:
16m Steel Scaffold Ringlock Truss Tower for Concert Line Array System Outdoor

Primary Category:
Sound Support Structure

System Family:
Ringlock Structure

Primary Function:
Concert Line Array / PA Support

Main Tower:
1 × approx. 16m high

Auxiliary Structures:
2 × approx. 4m high

Main Material/System:
Steel Ringlock

Application:
Outdoor Concert / Event Sound Support

Core Configuration:
16m Main Tower + Twin 4m Auxiliary Towers + Upper Line-Array Support / Hoisting Zone

Core Structural Question:
How does a tall 16m main Ringlock sound tower integrate with two much lower 4m auxiliary support structures to form one complete line-array support system?

Short Description

A steel Ringlock line-array support structure built around one approximately 16m-high main tower and two separate 4m-high auxiliary base towers. The system combines modular standards, horizontal ledgers, diagonal bracing and an upper sound-system support/hoisting zone to create a tall temporary PA support structure for outdoor concert applications.