NX S21-A

ACTIVE HIGH POWER SUBWOOFER

Compact and powerful, the NX S21-A offers the performance of a 21” subwoofer in a package not much larger than a typical 18” sub.

The 21” massive neodymium magnet low frequency transducer is front-loaded and delivers an astonishing precise bass punch for any kind of application.

Applications
  • • Live sound
  • • Theatrical sound reinforcement
  • • Music playback and sound reinforcement in mid-size venues
  • • Live performance systems and sound system rental
  • • Portable PA, clubs, ballrooms, corporate AV, houses of worship
Part Number
  • • 13000171 (230V)
  • • 13000181 (115V)
Features
  • 2000 Watt Peak, 1000 Watt RMS digital amplifier
  • 135 dB max spl
  • 21" woofer, high power neodymium 4.5" voice coil
  • PFC power factor correction
Acoustical Specifications
  • Frequency Response -3 dB: 30 Hz ÷ 80 Hz
  • Max SPL: 135 dB
  • Woofer: 21" neo, 4.5" v.c.
Input/Output Section
  • Input signal: bal / unbal
  • Input connectors: Stereo combo xlr-jak
  • Output connectors: Stereo xlr
  • Input sensitivity: -2 dBu / +4 dBu
Processor Section
  • Crossover frequencies: 60 - 80 Hz
  • Protections: Thermal, rms
  • Limiter: Soft peak limiter
  • Controls: Volume, xover / link, frq. cut, phase
Amplifier Specifications
  • Total power: 2000 W PEAK
  •    Low frequencies: 2000 W PEAK
  • Total power: 1000 W RMS
  •    Low frequencies: 1000 W RMS
  • Cooling: Convection / forced
  • Connections: Powercon in / out
Cabinet
  • Cabinet Material: Balitc birch
  • Hardware: Stacking fittings
  • Handles: 4 side
  • Pole Mount/Cap: Yes
  • Colour: Black
Physical Specifications
  • Height: 750 / 29.52 mm/inch
  • Width: 660 / 25.98 mm/inch
  • Depth: 700 / 27.55 mm/inch
  • Net Weight: 53.2 / 117.28 kg/lbs
The data are not binding; RCF reserves the right to modify the data at any time and without previous notice.