Power Amplifiers
Power Precision. Smart Control. Built for Every Test.
VB Tech’s SAP Series amplifiers combine advanced Class D performance with compact modular design and IGBT technology. With over 93% efficiency, low distortion, and intelligent diagnostics, they’re engineered for precision, reliability, and seamless integration with any vibration test system—new or legacy. The result? Exceptional performance with simplified maintenance and customer-focused support.
Key Features:
- Up to 1,000kVA output with over 93% conversion efficiency
- Low harmonic distortion (<0.5%) for clean signal reproduction
- IGBT power module design—offering superior efficiency, current capacity, thermal management, and voltage tolerance compared to MOSFETs
- High switching frequency (150kHz) for reduced heat generation and smaller heat sinks
- Advanced fault diagnostics using real-time data and historical logs
- Current-sharing architecture with ≤1% imbalance across parallel modules
- Step-less adjustable excitation for energy-efficient tuning and precise control
- 20+ integrated safety protections, including temperature, overcurrent, platform displacement, and interlocks
VB Tech’s SAP Series Power Amplifiers are engineered for today’s most demanding vibration test environments—delivering unmatched precision, performance, and protection. With advanced Class D architecture, integrated IGBT power modules, and intelligent diagnostics, SAP amplifiers combine high output with a compact, modular form factor. Built on our RAICE philosophy—Reliability, Accuracy, Intelligence, Cost-effectiveness, and Energy-efficiency—they’re ideal for new installations and legacy system upgrades.
Built Around Your Test Requirements
SAP Amplifiers support touch-screen interaction, remote monitoring, multilingual operation, and smart authorization control. Each unit is designed with serviceability in mind—featuring modular construction, built-in logs, and full system diagnostics. Whether you’re replacing an amplifier or planning a turnkey vibration test facility, VB Tech’s engineering and support team will ensure a perfect match—safely, efficiently, and without compromise.




