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RCF SUB 8006-AS Active 2x18" 2500W Subwoofer

SKU: 12802

BARCODE: 8024530009854

R 75,519.00

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RCF SUB 8006-AS Overview


The black SUB 8006-AS Professional Series Active Subwoofer from RCF features two 18” transducers with 4” inside/outside voice coils, designed to deliver a strong low frequency response. This direct radiating, high output, large-format subwoofer system is designed to compliment full-range loudspeakers. Driver mounting maximizes cone area and minimizes frontal area, providing acoustical performance and physical configuration well suited for creating large subwoofer arrays.

This subwoofer has been designed to extract efficiency from every part of the system, allowing for accurate low frequency transient response. As a self-powered system, the transducers, amplification, and DSP are designed to optimize performance, and maximize power.

This subwoofer’s efficiently tuned cabinet houses 2 precision backvented, long-excursion, high-power 18” cone drivers, providing controlled reproduction of the bass frequency range. It also has a 4” inside/outside voice coil to minimize power compression and extend the life of the speaker.

The drivers have also been engineered using high gauss ferrite magnets for powerful magnetic field strength. High magnetic field strength increases the driver’s sensitivity, which yields high output while keeping heat dissipation requirements within operational tolerances.

This subwoofer is powered by a 2,500W digital amplifier module with Class-D technology that is designed for performance and high efficiency in a lightweight solution. The amplifier also features a solid mechanical aluminum structure, which not only stabilizes the amplifier during transportation but also assists it in heat dissipation. The integrated DSP offers equalization, soft limiter, compressor, and user adjustable settings such as deep/boost EQ, low pass, phase reverse, and a preset for a cardioid setup.

An easy to reach delay knob on the back allows you to set the overall delay of the speaker in meters, according to its application. Three status LEDs for Power / Signal / Status are provided for monitoring the system. The DSP control electronics and power supply is integrated into a single, field-replaceable module mounted in the rear of the cabinet. The cabinet is constructed of multi-ply hardwood and coated with a textured black finish. Integral metal grilles lined with acoustical black mesh protect the cone drivers. Integrated mechanics are for multiple configuration with HDL 20-A Active Line Array Module.


  • High-pass filter
  • Pole mount cap
  • 5,000W peak power; 2,500W RMS
  • 141 dB maximum SPL
  • 30 Hz to 120 kHz frequency response
  • 2 x 18" woofer
  • DSP controlled input section with selectable presets
  • Delay control
  • Integrated mechanics for multiple configuration with HDL 20-A Active Line Array Module
  • Baltic birch tour-grade cabinet
  • Applications: Live sound, rental, portable PA, clubs, ballrooms, live theatres, houses of worship, theme parks, music playback and sound reinforcement in small- and mid-size venues, and corporate A/V professionals and sound system hire companies




PA Speaker
Configuration Active Subwoofer
Total Power Capacity 2000 W 
LF Driver 2 x 18" / 457.2 mm Woofer
LF Voice Coil 4" / 101.6 mm
Frequency Response 30 Hz to 120 Hz
Maximum SPL 141 dB
Input Sensitivity +4 dBu / -2 dBu
Protections RMS, Thermal
Audio I/O XLR
Signal Processing
Crossover 1.2 kHz
Dynamic Processing Soft Limiter
Alignment Delay Yes
Phase Adjustment 0 / 180°
AC Power Connector 1 x powerCON Input
1 x powerCON Output
Handles 4 x Side
Cooling Convection
Construction Material Wood
Dimensions 27.9 x 27.5 x 43.7" / 709 x 700 x 1109 mm
Weight 198.4 lb / 90 kg


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