QUANTUM

Designed for durability, flexibility, and comfort, Quantum sets the international benchmark for beam-mounted stadium and auditorium seating.

Engineered for Performance, Trusted Worldwide.

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The Quantum Series is recognised globally as the benchmark for fixed stadium and arena seating. A proven, high-performance solution balancing capacity, comfort, and long-term reliability.

Designed for flexibility and engineered for precision, Quantum’s beam-mount system adapts effortlessly to any configuration. From stadium grandstands to retractable platforms and education halls, Quantum combines intelligent engineering with refined design to enhance the spectator experience and simplify venue operations.

Beam-Mount Flexibility
Future-proof design allows seats to be added, removed, or reconfigured with ease ideal for evolving layouts and event requirements.
(Supports stadium, education, and multipurpose use.)

Low Maintenance, Long Life
Fully enclosed gravity-tilt mechanism ensures smooth, silent operation and minimal wearreducing lifetime maintenance costs for venue operators.

Engineered Strength
Injection-moulded polypropylene shells reinforced with gas channels and glass-filled nylon supports deliver unmatched strength and stability.

Ergonomic Comfort
Sculpted profiles provide balanced posture and sustained comfort, ensuring spectators enjoy every event from start to finish.

Fast Installation
Factory-assembled components reduce on-site labour time, enabling faster project delivery for contractors and builders.

Architectural Adaptability
Available in a range of backrest styles, mount types, and finishes to complement any venue aesthetic.

Quantum Round-Back

The Quantum Round-Back (RB) is the classic and most recognisable profile in the range. A timeless, contoured design that delivers superior comfort and balanced posture for long-duration seating. The rounded shell follows the natural curve of the spine, supporting both aesthetics and ergonomics across a wide range of venues. Its proven durability and enduring style make it a preferred choice for facilities prioritising comfort and audience experience.

Key Benefits:

  • Highly contoured backrest enhances long-term comfort for spectators.

  • Timeless aesthetic complements both heritage and modern venues.

  • Suitable for large-scale arenas, theatres, education spaces, and civic halls.

Quantum Slat-Back

The Quantum Slat-Back (SB) pays homage to early 20th-century ballpark seating, blending historical inspiration with advanced modern materials. Its ventilated backrest features an elegant slatted design that promotes airflow and breathability, ideal for venues in warmer climates or high-humidity environments. Constructed from strong, glass-filled polypropylene, the Slat-Back combines aesthetic charm with robust engineering for a reliable, low-maintenance seating solution.

Key Benefits:

  • Enhanced ventilation for spectator comfort and airflow.

  • Distinctive design inspired by historic stadium seating.

  • Durable polypropylene backrest ensures long service life.

  • Retains full strength and structure with reduced weight and maintenance.

Quantum Square-Back

The Quantum Square-Back (SQ) brings a refined, architectural aesthetic to the Quantum family. Its subtly contoured yet linear form creates a crisp, contemporary profile that integrates seamlessly with modern stadium and grandstand designs. The Square-Back maintains ergonomic support and comfort without compromising on clean lines or dimensional uniformity.

Key Benefits:

  • Balanced geometric design complements contemporary venue architecture.

  • Contoured seat and backrest maintain comfort and performance standards.

  • Available in a range of mounting brackets to suit raked tiers and flat floors.

  • Excellent for venues prioritising a uniform aesthetic with reliable durability.

Quantum SQ 150 Compact

The Quantum SQ 150 Compact is engineered for venues where space efficiency is critical. Using a precision spring-tilting system, the SQ 150 folds into an exceptionally tight envelope while maintaining the same strength and comfort characteristics of the full Quantum range. Its slim profile is perfect for retractable seating platforms and multi-use halls requiring quick transitions between flat-floor and seated configurations.

Key Benefits:

  • Compact folding mechanism achieves minimal closed envelope (<150mm).

  • Rapid spring-tilt action ensures quiet, reliable operation.

  • Retains the same contour, durability, and comfort as full-size Quantum models.

  • Lightweight design reduces load on retractable systems and simplifies maintenance.

Built to Last,
Designed to Evolve

At the heart of every Quantum installation lies its precision-engineered beam — a structural backbone designed to outlive multiple generations of seating.

Once installed, the beam remains a permanent part of the venue infrastructure, providing unmatched strength, alignment accuracy, and long-term stability. Its modular design allows venues to upgrade or replace seating models without removing or disturbing the beam, significantly reducing future costs, installation time, and operational disruption.

This approach transforms seating from a short-term fixture into a long-term architectural investment — one that can adapt to future design standards, comfort upgrades, and aesthetic changes with ease.

Why the Quantum Beam System Matters:

  • Enables seat upgrades and reconfiguration without structural work.

  • Reduces lifecycle costs for facility owners and managers.

  • Minimises installation time during new builds, renovations or refurbishments.

  • Enhances design continuity across venue redevelopments.

  • Provides a future-ready foundation that aligns with sustainable asset management strategies.

For architects and operators, this system offers more than mechanical precision — it represents architectural foresight, enabling venues to evolve gracefully over time while maintaining their aesthetic integrity and seating capacity.

Workers installing or repairing stadium seats, some are wearing orange safety jackets and helmets, in a sports arena with blue seats.

Fast, Precise Installation

Factory-assembled components and precision-engineered alignment simplify installation, saving time on site and ensuring consistent results for builders working to tight project timelines.

Empty indoor ice hockey arena with blue seating and a white ice rink.

Proven for Large-Scale Venues

Trusted in some of the world’s most demanding venues, the Quantum Series offers the strength, comfort, and design flexibility required for high-capacity stadiums and arenas. Built for performance, designed for people.

Empty indoor gymnasium with tiered seating and wooden flooring, with a few blurred figures moving on the bleachers.
Multiple rows of empty blue, gray, and white auditorium seats in a spacious theater with large windows.

Integrated with Retractable Systems

The Quantum system integrates perfectly with retractable and telescopic platforms, delivering full-scale comfort and durability in a space-efficient design. Quick to fold, reliable in motion, and engineered for multi-use venues.

Quantum RB 200 and Quantum SQ 150

Empty stadium seats in a sports arena or auditorium.

Effortless Maintenance & Lifecycle Value

Designed for use all year round in all climates, Quantum’s enclosed gravity-tilt mechanism is maintenance free for the life of the product and prevents debris build-up and minimises wear. Components can be replaced individually, extending product life and lowering operational costs for venue managers.

Empty tennis stadium with blue seats and a bright blue tennis court in the center, city skyline in the background.
Empty indoor swimming pool with blue and white spectator seats on tiered stands beside the pool.
Empty indoor sports arena with blue seats arranged in rows, illuminated overhead lights, and a large, curved ceiling.
Empty tennis stadium with blue court and seating, marking 'Melbourne' on court, under an overcast sky.
Empty swimming pool with white bleachers and steps in the background.
Multiple rows of empty stadium seats with armrests and backrests, mostly dark green, in an outdoor arena or sports stadium.
An empty auditorium with rows of purple seats, black railings, and a patterned beige and black wall.
Empty theater with rows of colorful chairs on a stage, black ceiling with lights, wood-paneled walls, and steps on both sides.
Empty theater with red and black seats, tiered auditorium, wooden paneled walls, and modern ceiling lighting.
Empty lecture hall with tiered rows of blue, gray, and black seats, large windows, and wooden wall panels.
Empty auditorium with rows of black and yellow seats and a green and black soundproof wall.

Designed for the People Who Build, Manage, and Elevate Venues

For Architects & Designers

Quantum complements architectural vision through clean sightlines, contoured profiles, and refined finishes that elevate any interior or exterior space. Supported with CAD and BIM documentation, it integrates seamlessly into every stage of the design process. Once installed, the future-ready beam system allows new models or finishes to be upgraded without structural changes, maintaining both design intent and long-term flexibility.

For Facility & Operations Managers

Engineered for daily efficiency, Quantum simplifies cleaning, maintenance, and servicing with its enclosed gravity-tilt mechanism that prevents dust and debris build-up. Components can be individually replaced without removing entire assemblies, ensuring quick, low-cost maintenance and reliable performance that keeps events running smoothly with minimal downtime.

For Builders & Contractors

Precision-engineered components and factory pre-assembly make Quantum fast and safe to install, supporting on-time, on-budget delivery. The modular beam design ensures consistent alignment and minimal on-site labour, while every component is tested to meet major international standards including EN 12727, AS 1530.3, and BS 5852, giving contractors confidence in both compliance and performance.

For Facility Owners & Venue Stakeholders

For venue owners, Quantum represents a sound long-term investment that increases seating capacity and enhances patron comfort through its efficient beam-mounted design. The system delivers lasting value and is globally recognised as the lowest lifecycle cost product on the market, while its upgradeable architecture ensures venues remain modern, compliant, and competitive for decades.

Ready to Discuss Your Next Project?

Get in touch with us and our technical team can provide CAD layouts, samples, and tailored advice for your next venue upgrade or new build.

Why Choose
Atrion Venue Solutions?

Atrion is more than a seating supplier, we are a trusted project partner. With over six decades of collective expertise, strong global partnerships, and a commitment to compliance and design excellence, we deliver intelligent seating solutions that transform venues and enhance every audience experience.

We collaborate closely with architects, builders, and venue managers to deliver seating systems that achieve the perfect balance of design precision, comfort, and long-term reliability.