Trussing

In theatres, concert halls, broadcast studios and temporary outdoor venues, a safe method of supporting equipment remains essential.Read More
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  1. Power Dynamics PDY218S 18" Passive PA Subwoofer - 1000W
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    Power Dynamics PDY218S 18" Passive PA Subwoofer - 1000W
    • 18-inch passive subwoofer delivers deep and consistent low bass
    • 1000W maximum output ensures high volume for large venues
    • Filter switch to choose between passive and passive bi-amplified modes
    • Hard-wearing housing built for regular professional use
    • Easy set-up with NL-4 input/output and speaker pole mount
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  2. Power Dynamics PDY218SA 18" Active PA Subwoofer - 1000W
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    Power Dynamics PDY218SA 18" Active PA Subwoofer - 1000W
    • 18-inch active PA subwoofer with 1000W class-D amplifier
    • Powerful 18-inch driver and 3-inch voice coil for deep bass output
    • Multiple input options: XLR, RCA, and 6.3mm Jack
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    • Durable plywood cabinet with side handles and pole mount socket
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  3. Power Dynamics PDY2215S 2x15" Passive PA Subwoofer - 1800W
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    Power Dynamics PDY2215S 2x15" Passive PA Subwoofer - 1800W
    • Passive subwoofer with dual 15-inch woofers for deep bass response
    • Powerful 1800W maximum output and resonance free bass
    • Switchable passive and passive bi-amplified modes for flexible setups
    • Rugged enclosure for durability and speaker pole mount
    • NL4 input/output for straightforward system integration
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  4. BeamZ SlimPar35 DMX LED Par Can Light - 12x 3W RGB
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    BeamZ SlimPar35 DMX LED Par Can Light - 12x 3W RGB
    • 12x 3W RGB LEDs allow vibrant full-colour mixing capabilities
    • Compact mini par can light design - ideal for mobile setups
    • Multiple modes: DMX, standalone, auto and sound-to-light
    • DMX control with selectable 3, 4, or 7 channels via 3-pin XLR
    • Master/slave function synchronises multiple par can lighting units
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  5. BeamZ BT300 LED Par Can
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    BeamZ BT300 LED Par Can
    • 12x 10W LEDs with full RGBAW-UV colour mixing flexibility
    • Multiple operating modes including DMX and stand-alone options
    • Remote control included for easy access and adjustments
    • Master/slave function for synchronised multi-unit light shows
    • Flat, lightweight design for quick mounting and portable setups
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  6. BeamZ B2500 Professional Bubble Machine
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    BeamZ B2500 Professional Bubble Machine
    • Twin fan system for wide bubble distribution in large spaces
    • Dual bubble wheels ensure hundreds of bubbles each cycle
    • 1.1-litre tank ensures long-running continuous output
    • Wireless remote control allows hands-off operation from afar
    • Four 360-degree rotating wheels and a sturdy handle for easy transport
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  7. PD 750HRCC 2x Stage Handrail Corner Connector
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    PD 750HRCC 2x Stage Handrail Corner Connector
    • Set of two connectors fits Deck750 stage handrails securely
    • Engineered to join adjacent handrails cleanly at corner junctions
    • Simple, reliable installation for temporary or permanent stages
    • Compact, lightweight build at only 0.35kg per connector set
    • Compatible with Power Dynamics stage rail fittings for consistency
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  8. PD RD750 2m x 2m x 20cm Portable Stage Platform Riser System
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    PD RD750 2m x 2m x 20cm Portable Stage Platform Riser System
    • 2m x 2m modular portable stage riser for flexible setup options
    • Lightweight 30mm aluminium stage deck for easy transport
    • Anti-slip hexa surface for solid stability in all weather
    • Accordion-style riser legs with secure latch-pin fitment
    • Impressive 750kg per square metre load capacity for demanding events
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  9. PD RD750 1m x 1m x 60cm Portable Stage Platform Riser System
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    PD RD750 1m x 1m x 60cm Portable Stage Platform Riser System
    • 1m x 1m portable stage riser for versatile event use
    • Sturdy aluminium with slip-resistant hexa top surface
    • Supports up to 750kg/m², ideal for heavy equipment
    • Concertina-style folding riser system for compact storage
    • Weather-resistant design for indoor or outdoor use
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  10. BeamZ SNOW5000 Professional Snow Machine
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    BeamZ SNOW5000 Professional Snow Machine
    • Industrial snow machine with 20L tank for high output
    • Features 10m nozzle hose for broad and targeted snow coverage
    • LCD display plus keypad for easy control and customisation
    • DMX integration for integration into lighting rigs
    • Strong flight case with wheels for safe transport and use on tour
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  11. Studiomaster KM52 Wired Karaoke Microphone Dynamic with 5m XLR Cable
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    Studiomaster KM52 Wired Karaoke Microphone Dynamic with 5m XLR Cable
    • Cardioid pattern sharply reduces background noise for vocal clarity
    • Dynamic capsule delivers balanced voice reproduction every time
    • Rugged die-cast zinc body withstands frequent handling and use
    • Includes 5m balanced XLR cable, stand clip, and storage zip bag
    • Simple integrated on/off switch for instant muting or live use
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  12. Studiomaster KM92 Vocal Microphone for Singing with XLR Cable
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    Studiomaster KM92 Vocal Microphone for Singing with XLR Cable
    • Cardioid pickup minimises feedback and ambient noise interference
    • Includes 5-metre balanced XLR cable for clear sound transmission
    • Die-cast zinc alloy housing ensures long-lasting durability
    • Packaged with stand clip and protective zip case for convenience
    • Tailored frequency response delivers clear, noise-reduced vocals
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  13. PD PD782 Wireless Microphone System UHF with Dual Handheld Mics
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    PD PD782 Wireless Microphone System UHF with Dual Handheld Mics
    • Dual handheld mics for flexible presentations or performances
    • Eight selectable UHF channels minimise interference issues
    • Integrated LCD displays show channel and battery details
    • Balanced XLR and mixed 6.3mm outputs for clean audio
    • Includes strong carrying case and 19-inch rack brackets
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    £169.00

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  14. Power Dynamics PDM663 Wired Dynamic Vocal Microphone with Case
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    £23.99
    Power Dynamics PDM663 Wired Dynamic Vocal Microphone with Case

    Key Features

    • Cardioid pattern focuses on voice and lowers background noise
    • Reliable on/off switch with locking to avoid accidental muting
    • Includes XLR to Jack cable, mic holder, and thread adapter
    • Supplied in a rugged ABS carry case for added protection
    • Wide frequency response ideal for speech, vocals, and events
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    £23.99

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  15. Power Dynamics PDM661 Wired Dynamic Vocal Microphone with Case
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    £25.99
    Power Dynamics PDM661 Wired Dynamic Vocal Microphone with Case
    • Dynamic handheld design for dependable vocal and speech clarity
    • Unidirectional cardioid pattern minimises background noise pickup
    • Noiseless on/off switch with locking to prevent unwanted interruption
    • Supplied with 5m XLR to Jack lead and sturdy ABS carry case
    • Includes microphone holder and thread adapter for flexible mounting
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    £25.99

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  16. PD PDM660 Studio Condenser Microphone Set with Case & 5m XLR Cable
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    £26.99
    PD PDM660 Studio Condenser Microphone Set with Case & 5m XLR Cable
    • Directional cardioid design minimises background disturbance
    • Integrated pop filter for greater clarity in vocal capture
    • Supplied with 5m XLR cable for versatile setup
    • Rugged metal casing with shock-absorbing rubber coating
    • Includes portable ABS case and accessories for ease of transport
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    £26.99

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  17. Studiomaster Digilive 16 Digital Mixing Console with Effects
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    £599.00
    Studiomaster Digilive 16 Digital Mixing Console with Effects
    • 16 channel digital mixer with eight motorised 100mm faders
    • 7-inch HD touchscreen for direct and intuitive control
    • Wireless tablet and smartphone mixing via Wi-Fi connection
    • Built-in multi-effects engine and full dynamics processing
    • USB playback and live recording functionality for quick media access
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    £599.00

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  18. PD PDC-35 Digital Media Player Recorder CD USB SD Rackmount 1U
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    £219.00
    PD PDC-35 Digital Media Player Recorder CD USB SD Rackmount 1U
    • Modern media player with digital recorder
    • Handles CD, USB, and SD formats for flexible digital audio playback
    • 128kbps MP3 recording via USB or SD cards for audio capture
    • Selectable RCA outputs (A/B/Mix) and 6.3mm headphone monitoring
    • 1U 19-inch rack design fits easily into pro audio racks and setups
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    £219.00

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  19. PD PDC150 Professional Karaoke Player CDG DVD USB 19" Rack Mount
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    £155.00
    PD PDC150 Professional Karaoke Player CDG DVD USB 19" Rack Mount
    • Versatile DVD karaoke player with CDG support
    • Play CDG, CD, DVD, USB MP3 and multiple formats with confidence
    • Two microphone channels with XLR and 6.35mm options
    • Inbuilt echo control and independent mic level controls for vocals
    • Comprehensive video/audio outputs for AV integration
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    £155.00

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  20. Multimedia Player - PD PDC75 Bluetooth, USB, FM
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    £98.99
    Multimedia Player - PD PDC75 Bluetooth, USB, FM
    • Multimedia player with Bluetooth, USB, SD, and FM radio
    • Bluetooth enabled for wireless streaming and inbuilt SD/USB MP3 player
    • XLR/6.3mm microphone input for announcements
    • Record function for recording mic and AUX channels
    • 19-inch rack-mountable, slim 1U design for streamlined installation
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    £98.99

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  21. BeamZ BBB612 Wireless Battery Powered LED Light Bar
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    £239.99
    BeamZ BBB612 Wireless Battery Powered LED Light Bar
    • 6x 12W 6-in-1 RGBAW-UV LEDs for broad colour mixing
    • Wireless battery operation with up to 20 hours' runtime
    • DMX, stand-alone, and sound-activated modes included
    • Single pixel control for detailed lighting designs
    • Integrated wireless-DMX and RJ45 connectivity
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    £239.99

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  22. BeamZ SlimPar30 LED Par Can Light - RGB 6x3W
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    £44.99
    BeamZ SlimPar30 LED Par Can Light - RGB 6x3W
    • Compact LED Par Can with 6x 3W RGB LEDs for vibrant colour mixing
    • Silent, fan-free operation suitable for noise-sensitive environments
    • Automatic and sound-activated modes for dynamic stage effects
    • Dual control via LED panel and supplied IR remote for flexibility
    • Lightweight, portable design - ideal for mobile DJ setups or installs
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Trussing and Trussing Structure for Event Professionals

In theatres, concert halls, broadcast studios and temporary outdoor venues, a safe method of supporting equipment remains essential. Trussing, a lattice of straight members joined at nodes, fulfils that role. When planned correctly, a trussing structure allows lighting bars, speaker clusters, screens or scenic elements to be positioned where required without overstressing the host building or relying on improvised fixings. The information below outlines core engineering principles, material choices, planning steps and maintenance routines commonly followed across the UK events sector.

Fundamental Engineering Concepts

A typical trussing span behaves as a series of triangular forms. Triangulation locks each chord in position, so compression and tension forces transfer through the entire frame rather than concentrating at a single point. The outcome is a relatively lightweight component capable of carrying loads that would overwhelm solid beams of comparable mass.

  • Chords: The main longitudinal tubes that resist bending.
  • Web members: Diagonals linking the chords, handling shear forces and stabilising the shape.
  • Nodes: Intersections where chords and webs meet. Joints must stay rigid to maintain the original geometry under load.

Designers calculate stress levels using static analysis and, on complex assemblies, finite-element software. Safe working values then appear on published loading charts. Where dynamic forces (moving scenery, winched loads, or audience movement) may arise, additional safety factors enter the calculation.

Materials in Common Use

Most modern trussing employs an extruded alloy because of the favourable strength-to-weight ratio and corrosion resistance. Although lighter than steels of similar capacity, the alloy sections still provide the wall thickness required for robust connection points and repeated handling. Protective finishes vary. Anodising offers a clean, hard surface, while paint coatings serve either aesthetic or weather-resistant purposes.

Key Performance Considerations

  • Tensile strength: Determines how much direct pulling force a chord withstands.
  • Yield strength: The point at which permanent deformation begins. Higher values extend service life under repeated loading.
  • Modulus of elasticity: Governs deflection over a given span. Low deflection remains vital where precision aiming of fixtures is required.

Connection Methods

Fast, reliable joints speed up assembly on site and keep alignment accurate. Conical couplers with tapered pins remain widespread, though threaded bolts and pre-installed quick-connect fittings also appear. Choice depends on technician preference, available tooling and project budget. Whatever the mechanism, the mating faces must be free from burrs, dirt and distortion. Even slight damage reduces bearing area, raising stress levels around the joint.

Configuring a Trussing Structure

Assessing the Brief

Every installation begins with a load list. Fixture weight, point spacing, cable routing and potential access paths all feed into an initial sketch. At this early stage, additional information covering wind exposure, roof height, floor loading and fire egress should be gathered. Omitting such data can jeopardise the entire schedule once on-site.

Selecting Span Length and Depth

Long spans reduce the number of ground supports but raise bending moments. A deeper profile counters that bending. Conversely, tight ceiling voids push designers toward shallower profiles, often at the expense of maximum span length. The final decision balances clearance, weight and aesthetics.

Calculating Point Loads and Reactions

After placing fixtures along the span, loading software or manual equations deliver the reaction forces at support points. These reactions inform the specification of hoists, stands or structural anchors. In multi-level grids, each lower chord not only carries direct equipment loads but also reacts to imposed forces from the framework above.

Typical Applications

Although best known for suspending lighting or audio, a trussing structure adapts to multiple scenarios:

  • Creating a ceiling grid above an exhibition floor for banners and graphic panels.
  • Supporting projection surfaces where conventional wall fixing points are unavailable.
  • Forming gateways or walk-through portals at outdoor events.
  • Acting as ballast-free ballast holders when combined with outriggers and weights.
  • Providing camera rails or track mountings in broadcast studios.

By varying bay length, orientation and bracing, the same stock sections handle either delicate scenic pieces or substantial electro-acoustic arrays. That flexibility justifies the component investment for hire companies and venues operating diverse show calendars.

Summary

Properly designed, installed and maintained trussing provides a stable, modular platform for creative ideas in entertainment, broadcast and corporate presentation. The engineering principles are straightforward, yet the consequences of error remain significant. Selecting sections with adequate capacity, reading the associated charts with care and engaging qualified riggers secures the desired outcome: reliable support with minimal fuss.

Frequently Asked Questions

How much weight can a single span of trussing carry?

The capacity depends on the profile size, length and load positioning. Manufacturers publish tables showing uniformly distributed load and allowable point loads; these should always be referenced before finalising a design.

Are custom paint finishes available?

Yes, powder coating or wet-spray finishes in RAL colours can be ordered. Lead times vary depending on batch sizes and curing capacity at the finishing plant.

Can a trussing structure be installed outdoors for long periods?

Permanent external use is possible with suitable corrosion protection and additional wind-load evaluation. Regular inspections become even more important where weather exposure is constant.

What training is recommended for crew members handling trussing?

A recognised rigging qualification combined with manual handling instruction prepares crew to lift, connect and align sections safely. Refresher courses every few years help maintain good practice.

Is re-configuration possible once the initial design is complete?

Modular nature allows alteration provided new spans remain within published limits and the revised layout undergoes a fresh load assessment.

How should damaged sections be treated?

Any chord showing dents, cracks or enlarged connection holes should be removed from service immediately and inspected by a competent engineer.

What paperwork accompanies a new purchase from Stage Concepts?

Delivery typically includes a certificate of conformity, load charts, assembly notes and care guidelines. Digital copies are also supplied for record-keeping.