Renkus-Heinz CX81
8" 2-Way, Full Range Loudspeaker, 250W, Passive


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The Renkus-Heinz CX81 is an 8" two-way full range passive loudspeaker.

Every CF/CFX Series loudspeaker is engineered by Renkus-Heinz to unrivaled standards of quality and innovation. Before we’ll ship them, your loudspeakers have to meet our exacting requirements, for performance that will make you proud and durability that will keep you sounding great. Sound that makes performances and audiences truly come alive doesn’t come easy. But CF and CFX Series loudspeakers put the power of unique Renkus-Heinz developments like Complex Conic Horns to work for you. Versatile enclosure designs, go-anywhere hardware and rugged construction help solve your sound reinforcement challenges easily and quickly. Advanced options like intelligent onboard amplification and RHAON — the Renkus-Heinz Audio Operations Network — help you build sophisticated sound systems that are easy to use.

Renkus-Heinz CX81 Applications:

  • Virtually any application where size is a critical issue and outstanding sonic performance is required.
  • Permanent Installations
  • Ideal for fills, delays, distributed and playback systems Churches, schools, sports venues, board rooms, malls, transportation venues, retail environments
  • Portable Applications
  • Ideal solution for portable, compact, full-range sound reinforcement requirements.
  • Performing artists, rental A/V, schools, churches, etc.

Renkus-Heinz CX81 Features:

  • High Volume Output, Small Enclosures: 70 Hz to 20 kHz±3 dB: Outstanding, full-range performance in an extremely compact,space-saving design.
  • Flexible Input Configurations: Choose passive inputs,or go self-powered with the PF1-200 series intelligent amplifier, either withor without RHAON.
  • RHAON Renkus-Heinz Audio Operations Network:Self-Powered CF81-2R cabinets are easily connected to RHAON for flexibledigital signal distribution, loudspeaker management and control using standardEthernet hardware and cabling.
  • Exclusive 150° by 60° Complex Conic Design: Providesconstant beamwidth/directivity without the problems of conventionalrectangular horns; can be rotated 90° within the cabinet for wide or deeplistening spaces.
  • 1-inch Extended Range Titanium HF Driver: Providessmooth, low distortion high frequency performance to 20 kHz and beyond.
  • Heavy-Duty 8-inch Woofer: Easily handles 200 Watts of program power.

Renkus-Heinz CX81 Specifications:

  • Sensitivity: 91 dB (1W/1m)
  • Max SPL: 117 dB peak
  • Dispersion: 150° H x 60° V
  • Freq. Response: ± 3 dB, 70 Hz to 20 kHz
  • HF Driver: 1" Titanium driver, Model SSD140-8F; 15 WRMS, 30 W Pgm
  • LF Driver: 8" model SSL8-13F woofer, 2" VC, treatedfiber cone; 100 W RMS @ 8 Ohms, 200 W Pgm
  • Enclosure: 13-ply hardwood, perforated metal grille
  • Finish: Black or White paint
  • Power: 200 W Pgm @ 8 Ohms
  • Connectors: Screw terminals & looping Neutrik4-pin Speakon style connectors
  • Hardware:
    • 6-point Universal Mounting Hardware
    • (Metric M6 threads)
    • U-bracket attachment points
    • 35 mm (1 3/8”) tripod socket
    • Omnimount attachment plate optional
  • Dimensions: 19 7/8" H x 11 1/8" W x 12 1/4" D (50.5cm x 28.2 cm x 31.1 cm)
  • Weight: 25.2 Lbs (11.4 Kg) Net
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