Nor280 Power Amplifier
Professional power amplifier for building acoustics loudspeaker systems.
Overview
The Nor280 Power Amplifier is a professional-grade 200 W RMS amplifier purpose-built for driving dodecahedron loudspeakers and other sound sources used in building acoustics and room acoustics measurements. With a flat frequency response spanning 20 Hz to 20 kHz, the Nor280 delivers the full-bandwidth power needed for accurate airborne sound insulation testing per ISO 16283-1, reverberation time m…
Key Features
- 200 W RMS output power for high sound levels
- Built-in pink and white noise generators
- Infrared remote control for convenient operation
- Frequency shaping filters for spectral optimization
- Flat 20 Hz to 20 kHz frequency response
- Multiple inputs: XLR and RCA connections
- Robust construction for demanding field environments
Applications
- Driving dodecahedron loudspeakers for ISO measurements
- Airborne sound insulation testing per ISO 16283-1
- Room acoustics measurements per ISO 3382
- Sound insulation testing per ISO 10140
- Facade sound insulation testing per ISO 16283-3
- Sound power determination per ISO 3741
Technical Specifications
- Output Power: 200 W RMS
- Frequency Response: 20 Hz – 20 kHz
- Signal Generator: Pink noise, white noise
- Remote: Infrared remote control
- Inputs: XLR, RCA
Frequently Asked Questions
- Does the Nor280 include a noise generator?
Yes, the Nor280 has built-in pink and white noise generators, eliminating the need for an external signal source during building acoustics measurements. - Can it be controlled remotely?
Yes, the included infrared remote control allows start/stop operation from outside the source room, streamlining the measurement workflow during field testing. - Which loudspeakers are compatible?
The Nor280 is optimized for the Norsonic Nor283 dodecahedron loudspeaker but can drive any 8-ohm loudspeaker system suitable for building acoustics measurements.
Application Guide
The Nor280 Power Amplifier belongs to the Norsonic Sound Source range. See the Sound Source application guide for system configuration, compatible accessories, and applicable measurement standards.
Related Norsonic Products
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- Nor282 Power Amplifier — Compact power amplifier for portable building acoustics applications.…
- Nor277 Tapping Machine — Standard tapping machine for impact noise measurements in building acoustics tes…
Why Norsonic?
- Manufactured in Norway — decades of acoustic measurement heritage; all instruments designed and built in Norsonic AS, Lierskogen, Norway
- IEC 61672 Class 1 — highest accuracy class for professional and regulatory acoustic measurement
- International type approvals — PTB (Germany) and LNE (France); accepted by environmental authorities across the region
- 3-year manufacturer warranty — covers parts and labour; Norsonic Asia authorized service center support throughout the region
- Open data formats — .nox files work with NorReview and can be exported to CSV, Excel, and third-party analysis software
Calibration and Compliance
- All Norsonic instruments require periodic IEC 61672-3 calibration — Norsonic Asia provides factory-authorized calibration services with full DANAK-traceable certificates
- Calibration interval: 1 year for ISO 17025 accredited laboratories; 2 years for field instruments in non-accredited applications
- Field calibration check: use an IEC 60942 Class 1 sound calibrator (94 dB or 114 dB) before and after each measurement session
- Loaner instruments available during calibration to minimize project downtime — contact Norsonic Asia for loaner availability
Availability & Regional Support
Available from Norsonic Asia — the factory-authorized distributor for ASEAN, GCC, and South Asia. Instrument supply includes 3-year manufacturer warranty, factory-authorized calibration services, operator training, and after-sales technical support.
- Typical lead time: 3–6 weeks from order confirmation (ex-factory Norway)
- Countries served: Singapore, Malaysia, Thailand, Vietnam, Philippines, Indonesia, UAE, Saudi Arabia, Qatar, Kuwait, India, Bangladesh, Sri Lanka, and more
- Technical support: English and Arabic; response within 1 business day
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