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باند دیواری(دکوراتیو) جی بی ال (JBL) مدل Control 28

باند دیواری(دکوراتیو) جی بی ال

باند دیواری(دکوراتیو) جی بی ال (JBL) مدل Control 28

Control 28
High Output Indoor/Outdoor Background/Foreground Loudspeaker
The Control® ۲۸ is the largest of JBL Professional’s Control Contractor Series indoor/outdoor loudspeakers.
 
FEATURES
  • Components: 8 in Polypropylene coated woofer, 1 in Titanium coated horn loaded tweeter.
  • Built-in InvisiBall® mounting hardware.
  • Weather resistant enclosure and transducers.
  • Readily paintable.
  • ۹۰° x 90° high frequency horn.
  • Overload Protection Circuitry.
  • Sensitivity: 92 dB SPL, 1 W, 1m.
  • *Patents pending worldwide
SPECIFICATIONS
 
  Frequency Range ۶۰ Hz to 16 kHz (-10 dB)
  Power Capacity ۱۷۵ W Continuous Program Power; 87 W Continuous Pink Noise
  Sensitivity ۹۲ dB SPL, 1W, 1m
  Directivity Factor (Q) ۷٫۵ dB
  Directivity Index (DI) ۸٫۸ dB
  Nominal Impedance ۸ ohms
  Crossover Frequency ۲٫۸kHz
  LF Driver ۲۰۰mm (8 in) Polypropylene cone w/ WeatherEdge
  HF Driver ۲۵mm (1 in) Titanium coated polycarbonate
  Enclosure Material HIPS (High Impact Polystyrene)
  Overload Protection Full-Range power limiting to protect network and transducers
  Terminations Spring terminals, accepts banana plug
  Dimensions (H x W x D) ۳۸۰ x 280 x 220 mm (15.0 x 11.0 x 8.6 in)
  Net Weight (ea) ۵٫۵ kg (12 lb)
  Shipping Weight (ea) ۱۱ kg (25 lb)
  Included Accessories Invisiball Assembly 6mm x 180mm hex key
  Optional Accessories MTC-28V: For vertical columnar orientation of up to 3 loudspeakers MTC-28H: For horizontal splaying of two speakers. Three brackets array up to six loudspeakers in a 360° array. MTC-28/25CM: Ceiling-mount adapter MTC-28SSG:Stainless Steel Grille for harsh environments. Available in silver, black (-BK) or white (-WH) MTC-28WMG:WeatherMax™ Stainless Steel Grille protects against driving precipitation. Available in black or white (-WH) MTC-PC2: Input panel cover protects input terminals in outdoor environments.