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RCF SUB 9006-AS 18" Active High Powered Subwoofer 7200 Watts Amplified Sub

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RCF SUB 9006-AS T.C.
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Product Description

RCF SUB 9006-AS 18" Active High Powered Subwoofer 7200 Watts Amplified Sub

The SUB 9006-AS is one of the most powerful 2x18” subwoofers in the field of live sound. Featuring two high-power hyper-vented 18” neodymium woofers with 4.0” inside-outside voice coils, this cabinet delivers a serious amount of low frequencies. Powered by a 7200 W digital amplifier, the SUB 9006-AS can perform in the most demanding situations. The housing of the SUB 9006-AS matches the RCF D-Line HDL50-A and HDL10-A array systems, enabling to build stacked systems in a perfect combination.

  • 7200 Watt Peak power - 3600 Watt RMS
  • 142 dB max SPL
  • 30 Hz - 400 Hz frequency response
  • 2 x 18" Woofer
  • DSP controlled Input section with selectable presets
  • RDNet remote control
  • Delay control
  • Baltic birch cabinet


RDNet is a robust management network and control platform for small, medium and large arena-sized sound systems, as well as complex and extended installations. Based on a proprietary network protocol, RDNet provides intuitive control and monitoring of every connected device/object in the RCF audio system. Each device has DSP to address specific presets or modifications of parameters to single or groups of objects. A network user can change level, delay, EQ (linear phase FiR as well) and other settings, including advanced subwoofer configurations. RDNet is not only designed for loudspeakers—you can control parameters and routing of multiple RCF devices, such as digital matrixes or amplifiers.


The amplifier integrates a low-noise 32-bit DSP circuit, controlled through the RCF proprietary RDNet network to easily handle the soft clipping limiters, RMS limits, polarity, amplitude, timing and equalisation. All the settings, monitoring and advanced features are available inside the RDNet Networked Management software. The available control panel on the back adjusts input sensitivity, Low Cut, Xover, volume, bypass, delay and presets selection. The regulated power supply guarantees full power from 100 V to 260 V. The amplifier houses on a unique Vibrostop floating aluminium panel for extra protection during transportation.


RCF manufactures these components to deliver the cleanest, punchiest, and undistorted low frequencies reproduction. The cone is composed of 30% carbon fibre, 20% fibreglass and 50% cellulose pulp. This particular chemical composition has been carefully developed to improve the robustness and rigidness of the cone avoiding any deformation that would result in a loss of efficiency. The 4.0" inside/outside voice coil is wounded on a strong fibreglass former and guarantees a more efficient cooling. The former is internally and externally reinforced with Nomex that stiffen the overall structure for a better energy transfer between the voice coil and the body cone. In order to dissipate the heat generated by the powerful voice coil, RCF engineers have developed the unique Hyper Ventilation system with very low power compression. The cone is water resistant.


The cabinet is made of high quality birch plywood with every layer glued by a special water-resistant adhesive weatherproofing the cabinet. The heavily braced internal structure of the cabinet survives long-term use and transportation. Two separate acoustic chambers for the woofers and a separate housing for the amplifier guarantee the best components efficiency and reliability. Dual Stacking: horizontal to fit the HDL 50-A 4K while the vertical fits HDL 10-A.


The heavy-duty powder coated front grille integrates a central reinforcement bar and a special transparent-to-sound foam backing on the inside helps to further protect the transducers from dust. The subs are stackable and light-weight, for easy set-up and tear down. The SUB 9007-AS and SUB 9006-AS are equipped with 8 aluminum handles (4 per side) with ergonomic rubber handgrip. The transportation is fast with the detachable Kart kit: a dolly caster-board with rugged tour grade casters and rotating cam mechanism.

Acoustical specifications

  • Frequency Response: 30 Hz ÷ 400 Hz
  • Max SPL @ 1m: 142 dB


  • Woofer: 2 x 18'' neo, 4.0'' v.c

Input/Output section

  • Input signal: bal/unbal
  • Input connectors: XLR, RDNet Ethercon
  • Output connectors: XLR, RDNet Ethercon
  • Input sensitivity: +4 dBu

Processor section

  • Hi-Pass Frequencies: 30Hz, 40Hz
  • Low-Pass Frequencies: Variable from 50Hz to 400Hz
  • Protections: Thermal, RMS
  • Limiter: Fast Limiter
  • Controls: Gain, EQ, Preset, Phase switch, Output Delay Settings
  • RDNet: Yes

Power section

  • Total Power: 7200 W Peak, 3600 W RMS
  • Low frequencies: 7200 W Peak, 3600 W RMS
  • Cooling: Convection/Forced
  • Connections: Powercon IN/OUT

Standard compliance

  • CE marking: Yes

Physical specifications

  • Cabinet/Case Material: Baltic birch plywood
  • Hardware: 2 x M20
  • Handles: 8 side
  • Grille: Steel
  • Color: Black


  • Height: 558 mm / 21.97 inches
  • Width: 1188 mm / 46.77 inches
  • Depth: 785 mm / 30.91 inches
  • Weight: 86 kg / 189.6 lbs

Shipping informations

  • Package Height: 600 mm / 23.62 inches
  • Package Width: 835 mm / 32.87 inches
  • Package Depth: 1230 mm / 48.43 inches
  • Package Weight: 92 kg / 202.83 lbs