dB Technologies SUB18H 18" 2000W Active Subwoofer - Each

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Description

dB Technologies SUB 18H Active Subwoofer

Description

The dB Technologies SUB 18H is a powerful 18" semi horn-loaded active subwoofer designed for demanding audio applications where deep, extended low-frequency performance is essential. Equipped with a 1500W RMS (2000W Peak) Class D amplifier, it features a high-performance 18" woofer with a 4" voice coil to deliver tight, punchy bass with a maximum SPL of 134dB.

The Hybrid Horn-Loading configuration allows for efficient low-frequency tuning, ensuring excellent performance even at close listening distances, making it suitable for small venues, live events, and professional sound reinforcement.

With built-in DSP processing (56-bit) and 24-bit/48kHz AD/DA converters, the SUB 18H offers precise sound control, including adjustable crossover frequency (90Hz or 120Hz), phase inversion, and a delay of up to 4.5ms. These features allow for seamless integration with other speakers and enable advanced subwoofer configurations (Cardioid, End-Fire, or Straight Line) without needing external processing.

The rugged birch plywood cabinet with a black PVC cover ensures road-ready durability, and polypropylene protective edges guard against transport damage. The M20 threaded pole mount allows for secure mounting of full-range speakers.


Key Features

Hybrid Horn-Loading Technology: Optimized for deep, powerful bass and efficiency.
High Power Output: 1500W RMS (2000W Peak) Class D amplifier ensures strong, clear low-end performance.
Advanced DSP Processing: 56-bit DSP with 24-bit/48kHz AD/DA converters for precise audio tuning.
Customizable Sound Settings:

  • Crossover frequency selection (90Hz or 120Hz)
  • Phase inversion switch
  • Built-in delay adjustment (up to 4.5ms in 0.5ms steps)
    Stereo Inputs & Outputs: 2x XLR inputs and 2x XLR link/crossover outputs.
    Energy-Efficient Amplification: Digipro G3™ Class D amplifier with an SMPS power supply (110V~ and 220V~).
    Upgradeable Firmware: Mini-USB Type B port for firmware updates.
    Rugged & Portable: Plywood cabinet with black PVC cover and reinforced edges.
    Versatile Placement: M20 threaded pole mount for secure speaker stacking.

Specifications

Technical Data

  • Speaker Type: Semi Horn-Loaded Active Subwoofer

Acoustical Data

  • Frequency Response (-10dB): 28Hz – 150Hz
  • Max SPL: 134dB
  • Directivity: Omnidirectional
  • LF Driver: 18" woofer
  • Voice Coil LF: 4"

Amplifier

  • Technology: Digipro G3™
  • Class: Class D
  • Power (RMS): 1500W
  • Peak Power: 2000W
  • Power Supply: 1000W SMPS with PSU Auto-range (110V~ and 220V~)

Processor & Controls

  • DSP Controller: 56-bit
  • AD/DA Converters: 24-bit / 48kHz
  • Limiter: Dual Active (RMS/Peak, Thermal)
  • Crossover Frequency: 90Hz or 120Hz
  • LF Crossover Out Slope: 24dB/Octave
  • Controls:
    • X-Over frequency selection
    • Delay switch (up to 4.5ms)
    • Phase inversion switch
    • Outputs mode switch (Link/X-over)
    • Mini-USB Type B port (for firmware updates)

Input & Output

  • Signal Input: 2x XLR
  • Signal Output: 2x XLR (X-Over Out/Link Out)

Mechanical & Design

  • Housing: Plywood with Black PVC cover
  • Handles: 2 (1 on each side)
  • Dimensions (W x H x D): 524mm x 711mm x 695mm (20.6” x 28” x 27.4”)
  • Weight: 41.4kg (91.3 lbs)
  • Mounting: M20 threaded pole mount

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