High Output Indoor/Outdoor Background/Foreground Loudspeaker
The Control® 28T is the largest of JBL Professional’s Control Contractor Series indoor/outdoor loudspeakers.Isolation transformer for 70.7 V / 100 V distributed-line sound systems.
Components: 8 in Polypropylene coated woofer, 1 in Titanium coated horn loaded tweeter.
Built-in InvisiBall® mounting hardware*.
Weather resistant enclosure and transducers.
90° x 90° high frequency horn.
Overload Protection Circuitry.
Frequency Range 55Hz to 15kHz (-10 dB)
Power Capacity 175 W Continuous Program Power; 87 W Continuous Pink Noise
Transformer Taps 100 V Line:60 W, 30 W, 15 W 70 V Line: 60 W, 30 W, 15 W, 7.5 W
Nominal Max Output by Tap:(dB-SPL @ 1m) 100V Input Tap#1: 102 dB, Tap#2: 105 dB, Tap#3: 107 dB, Tap#4: (do not use)
Nominal Max Output by Tap:(dB-SPL @ 1m) 70.7V Input Tap#1: 99 dB, Tap#2: 102 dB, Tap#3: 105 dB, Tap#4: 107 dB
Nominal Coverage Angle 90° x 90°
Directivity Factor (Q) 7.5 dB
Directivity Index (DI) 8.8 dB
Crossover Frequency 2.8kHz
LF Driver 200mm (8 in) Polypropylene cone w/ WeatherEdge
HF Driver 25mm (1 in) Titanium coated polycarbonate
Enclosure Material HIPS (High Impact Polystyrene)
Overload Protection Full-Range power limiting to protect network and transducers
Termination Spring terminals, accepts banana plug
Environmental Conforms to Mil Spec 810 for humidity, salt spray,temperature & UV. IEC 529 IP-X4 splashproof rating.
Dimensions (H x W x D) 380 x 280 x 220 mm (15.0 x 11.0 x 8.6 in.)
Net Weight (ea) 6.5kg (14.3 lb)
Shipping Weight (ea) 15kg (33 lb)
Included Accessories Invisiball Assembly 6mm x 180mm hex key
Optional Accessories MTC-28SSG: Stainless Steel Grille, Silver, black (-BK) or White (-WH) MTC-28WMG: Weather Max Grille with backing to break up drivig rain. MTC-28CM: Ceiling-Mount Adapter. 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.