GLABS SP1250H AMPLIFIER

Description

SP1250H Professional Stereo Power Amplifier

The SP1250H is a flagship Class-H professional stereo power amplifier engineered for extreme power demands in large-scale live sound, touring, and permanent installation systems. Delivering massive output with exceptional stability, it is designed to drive large PA systems and high-power subwoofer arrays with absolute control and reliability.

With up to 5000W RMS in bridge mode, an ultra-high damping factor, and a wide frequency response, the SP1250H delivers deep, tight low-frequency impact, clear midrange detail, and accurate high-frequency reproduction. Comprehensive protection circuitry and a rugged 2U rack-mount chassis ensure dependable performance even under continuous heavy-load operation.

Key Features

• • Ultra-High Output Power

    • Stereo RMS Output:

      • 2 × 1250W @ 8Ω

      • 2 × 1875W @ 4Ω

      • 2 × 2500W @ 2Ω

    • Bridge Mode RMS Output:

      • 2500W @ 16Ω

      • 3750W @ 8Ω

      • 5000W @ 4Ω

  • High-Performance Audio Quality

    • Frequency Response: 10Hz – 20kHz

    • Signal-to-Noise Ratio: >102dB (20Hz–20kHz)

    • Damping Factor: >5000 @ 8Ω for maximum speaker control

  • Flexible System Integration

    • Selectable input sensitivity: 0.775V / 1V / 1.4V

    • Dual operating voltage support: 110V / 220V

  • Advanced Protection System

    • Short-circuit protection

    • DC protection

    • Overload and overheat protection

    • Ultrasonic and RF protection

    • Voltage peak limiting

  • Efficient Class-H Circuit Design

    • High efficiency with reduced heat generation

    • Stable performance at low-impedance and high-power loads

  • Professional Build Quality

    • Standard 2U rack-mount chassis

    • Dimensions: 483 × 436 × 90 mm

    • Net Weight: 26.5 kg

    • Gross Weight: 29 kg