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NRC-ST TECH SPECS
NOISE REDUCTION CHAMBER WITH SLIDE TRAY
The NRC-ST is a premium noise-reduction chamber engineered to dramatically reduce operational noise from projectors. Its innovative slide-tray system allows quick and easy equipment installation, servicing and operation without compromising the acoustic seal.
Featuring fire-resistant Pyrosorb-S acoustic foam, precision-angled double-glazed panels with premium Schott CONTURAN® Magic anti-reflective glass, gas-strut assisted access, and comprehensive cable management, the NRC-ST delivers outstanding noise control while maintaining crystal-clear viewing and full equipment functionality. Marine-suitable construction makes it ideal for yachts, luxury homes, boardrooms and commercial installations.
NRC-ST sizes are projector specific, to ensure a perfect solution for every installation. Example tech specification can be found below.
- Superior Noise Reduction – 50 mm Pyrosorb-S fire-resistant acoustic foam with proven absorption coefficients (0.57 at 500 Hz up to 0.93 at 10 kHz)
- Innovative Slide Tray – Smooth linear guides with locking mechanism for effortless equipment access
- Crystal-Clear Viewing – Double-glazed angled glass (9° between panes, 4.5° from vertical) using 4 mm + 6 mm Schott CONTURAN® Magic Extra Clear float glass (combined luminous transmittance 97.5 %)
- Easy Maintenance – Gas strut assisted access hatch, with removable panels and cable management chain
GLASS SPECIFICATION
Precision-angled double-glazed panels with premium Schott CONTURAN® Magic anti-reflective glass
| GLASS ANGLE | 9° BETWEEN PANES, 4.5° FROM VERTICAL | ||||||||||||||||||
| GLASS THICKNESS | 1 × 4MM (3/16") THICK PANE | 1 × 6MM (1/4") THICK PANE | ||||||||||||||||||
| GLASS SPECIFICATION | SCHOTT CONTURAN® MAGIC, FLOAT GLASS (EXTRA CLEAR) BLUE & GREEN | ||||||||||||||||||
| GLASS LUMINOUS REFLECTANCE (ρ VA) | CA. 0.9% | ||||||||||||||||||
| GLASS REGULAR SPECTRAL REFLECTANCE (ρ (λ)) |
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| GLASS LUMINOUS TRANSMITTANCE (τ VA) | 4MM (3/16") PANE: 99% | 6MM (1/4") PANE: 98.5% | COMBINED: 97.5% |
ACOUSTIC FOAM SPECIFICATION
Fire-resistant Pyrosorb-S acoustic foam
| ACOUSTIC FOAM PYROSORB-S 50mm (1 15/16") FLAMMABILITY PROPERTIES | |
|---|---|
| METHOD | RESULT |
| BS 476 PART 5 | NON-IGNITION |
| BS 476 PART 6 | I≤12, I1≤6 |
| BS 476 PART 7 | CLASS “1” |
| BS 476 P6 & P7 BUILDING REGULATIONS | CLASS “O” |
| BS EN ISO 4589-3 | NO IGNITION, TESTED AT 240°C,300°C, 360°C & 380°C |
| UL94 | V-0, 94-5V |
| BS6853:1987 APP. B.5.3 | A0(MAX) < 5 |
| NES 713 | < 3.0 |
| ACOUSTIC FOAM: PYROSORB-S 50mm (1 15/16") | |
|---|---|
| FREQUENCY (Hz) | ABSORPTION COEFFICIENT (α) |
| 500 | 0.57 |
| 1000 | 0.8 |
| 2000 | 0.68 |
| 4000 | 0.77 |
| 10000 | 0.93 |
HAND CRAFTED IN HOUSE
TECHNICAL SPECIFICATION
| PRODUCT CODE | NRC-ST-FREYA+ |
|---|---|
| DOWNLOADS / SUPPORT | |
| TECHNICAL SHEET |
 NRC-ST-FREYA+ TECH
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