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RCF
RCF SUB 708-AS MK3
RCF SUB 708-AS MK3
RCF SUB 708-AS MK3
RCF SUB 708-AS MK3
SKU: 13000809

RCF SUB 708-AS MK3

18" Active PA Subwoofer

£1,199.00
Pre-Order
Expected March 2024

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  • Powerful subwoofer with 18-inch driver
  • 1400 W Class D amplification for loud, clear, and efficient sound reproduction
  • Bass reflex housing extends frequency response down to 35 Hz
  • Stereo inputs and crossover for compatibility with multiple full-range speakers
  • Polarity-reverse switch for more consistency with PA speakers
  • Built-in equalisation, soft limiter and protection circuitry
  • Bass Motion Control attenuates excursion of woofer
  • Ultra-durable plywood cabinet with polyurea coating and a powder-coated grille
FULL DESCRIPTION

The RCF SUB 705-AS MK3 stands out as a robust subwoofer featuring a 15-inch woofer and a bass reflex housing, ensuring impactful and extended bass. Its impressive 1400 W Class D amplifier provides substantial power, delivering a maximum SPL of 131 dB. Enhanced internal protection includes thermal and RMS limiting, along with a soft audio limiter, promoting consistency and preventing clipping.

Equipped with a stereo crossover with switchable frequencies, the SUB 705-AS MK3 allows precise integration into any sound system, widening the audio image. For meticulous sound control, it provides volume, EQ, and phase adjustments, along with RCF's Bass Motion Control excursion management system, maintaining a linear response and preventing excessive woofer excursion. Crafted from durable plywood, this cabinet guarantees longevity through numerous shows and tours.

Efficiency and Power
Class D amplification contributes to a lightweight and efficient subwoofer, maximising output volume. The SUB 708-AS MK3, delivering up to 1400 W peak power, achieves a maximum SPL of 129 dB. RCF's Bass Motion Control technology ensures the woofer's motion remains controlled, resulting in a consistent, linear, and powerful low-end without clipping.

Stereo Subwoofer
Featuring stereo inputs and link/crossover outputs, the SUB 708-AS MK3 pairs seamlessly with a set of full-range PA speakers. Adjustable crossover frequency and a polarity switch enable the creation of cardioid response with multiple units or simple adjustment to any speaker in use.

Tour-Ready Construction
Designed to endure challenging conditions, the SUB 708-AS MK3 is lightweight and easily portable, with ergonomic grips and a lighter amplification system. Stackable and storage-friendly, these subwoofers also offer an M20 threaded pole mount for convenient speaker array setups. The tough plywood cabinet, polyurea coating, and powder-coated grille resist corrosion and impact damage. Sound foam behind the grille protects internal circuitry from dust or humidity, and front-venting ports make them suitable for recessed positions.

TECH SPECS
  • Frequency Response: 35 Hz - 120 Hz
  • Max. SPL @ 1 m: 133 dB
  • Woofer: 18", 3" voice coil
  • Input Signal: Balanced/unbalanced
  • Input Connectors: XLR
  • Output Connectors: XLR
  • Input Sensitivity: -2 dBu/+4 dBu
  • Hi-Pass Frequencies: 110 Hz
  • Low-Pass Frequencies: 80 Hz
  • Protections: Thermal, RMS
  • Limiter: Soft limiter
  • Controls: Volume, EQ, Phase, Crossover
  • Total Power: 1400 W Peak, 700 W RMS
  • Cooling: Convection
  • Connections: VDE
  • Safety Agency: CE compliant
  • Cabinet/Case Material: Baltic birch plywood
  • Handles: One each side
  • Pole Mount/Cap: Yes
  • Grille: Steel with clothing
  • Colour: Black
  • Dimensions:
    • Height: 693 mm (27.28 inches)
    • Width: 505 mm (19.88 inches)
    • Depth: 685 mm (26.97 inches)
  • Weight: 40 kg (88.18 lbs)
 
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