Sound Projects - Sub Series - SP21E Sound Projects - Sub Series - SP21E Sound Projects - Sub Series - SP21E Sound Projects - Sub Series - SP21E Sound Projects - Sub Series - SP21E
Sound Projects - Sub Series - SP21E

Sound Projects - Sub Series - SP21E

€ 3.650,00 Excl. BTW
Laatste voorraad:
2 stuks
Art. code
SP-30.0234

Sound Projects - SP21E

The SP21E is a compact self-powered high SPL sublow system. The cabinet is constructed of a rigid, multilayer birch ply reinforced with multiple bracing and finished with a sturdy coating.

Cabinet dimensions are optimised for international trucksize. Ergonomical grippoint layout, Nano Armor polyurethane coating and additional corner protection with muliple slide bars facilitate easy transport. Protective slidebars facilitate locked stacking of more cabinets. Polemounting can be done
standing or flat. The SP21E will endow any of F.O.H. system with a rock solid foundation in the lowest audible octaves.

The SALC (Single Audio-logic Level Control) speaker management is a proprietary RMS based gain riding circuit which maintains the tonal balance of the sound as perceived by the human ear and protects the drivers from over excursion or overheating.. A recessed switch facilitates Sound Projects standard* or free external lowpass selection.

To match the desired cabinet dimensions and to obtain maximum efficiency, state-of-the-art computer aided modelling techniques and acoustic calculation programs are used to precisely indicate the manifold reinforcing ribs and port tuning.
*60Hz @ 24dB Butterworth

Acoustical specifications

  • Drivers: 1 x 21" High power, low weight, neodymium design. Double, impregnated spider and ventilated coil airgap for reduced power compression.
  • Freq. Reponse: 30-60Hz/FR switchable: Sub Mode/FR (ext. LP filter)
  • Max. peak SPL @ 1m: 140dB (Peak level at 1M under half space conditions using pink noise with crest factor 4 (12dB))
  • Coverage angle: Omni-directional

Electrical specifications

  • Amplifier(s): CCD(TM) technology
  • Output: 2500W sine (SALC limited) Specified at 4 ohm
  • Filter subsonic: 30Hz, 2nd order
  • Low pass: 4th order 60Hz/FR (switchable) Fixed filter on request
  • Input impedance: 20 kOhms balanced, 10 kOhms unbalanced
  • Output impedance: Hard-wired to input
  • Main voltage: 230V (other on request)
  • Mains frequency: 50 / 60 Hz
  • Idle: < 50VA
  • Full load: < 3000VA. DALC limited Ref. to continuous pink noise signal (12 dB crest factor within the specified range)
  • Protection: S.A.L.C. (Single Audio Logic Control)

Additional descriptive data

  • Cabinet construction: Cross grain laminated multiplex
  • Finish: Nano-armor(TM) coating
  • Weight (in KG): 62 Wheels not included, optional wheel board available
  • Width (in mm): 600
  • Height (in mm): 750
  • Depth (in mm): 620
  • Depth with wheels (in mm): 748
  • Rigging points: Optional uni rigging (3x M20 bolt)
  • Audio connectors: IEC XLR-3 in/out
  • Main connectors: Powercon in, powercon out
  • Max operating temp.: -10 to 40 C ambient
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