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
- Readily paintable
- 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: Tap 1 = 15 W, Tap 2 = 30 W Tap 3 = 60 W,
- Tap 4 is not used 70 V Line: Tap 1 = 7.5 W, Tap 2 =15 W Tap 3 = 30 W, Tap 4 = 60 W
- Nominal Max Output by Tap:(dB-SPL @ 1m): Tap Number / 70.7 V Input / 100 V Input
- Nominal Max Output by Tap:(dB-SPL @ 1m): Tap #2: 102 dB 105 dB Tap #3: 105 dB 107 dB Tap #4: 107 dB (do not use)
- 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
- Transformer Taps: 70 V: 110 W, 55 W, 28 W & 14 W 100 V: 110 W, 55 W, & 28 W Thru Position: 8 W nominal
- Low Frequency: 200 (8 in) kevlar cone with pure butyl rubber surround, 50 mm (2 in) voicecoil on fiberglass former
- High Frequency: 25 mm (1 in) compression driver, pure titanium diaphragm with patented JBL diamond surround
- Enclosure Material: HIPS (High Impact Polystyrene)
- Overload Protection: Full-Range power limiting to protect network and transducers
- Terminations: Spring terminals, accepts banana plug
- Safety Agency Rating: Transformer UL1876 recongized
- 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-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.
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