ราคาพิเศษ สอบถามโทร 080-6144774 ,02-9810944
JBL Control 28 ลำโพงประกาศ บรรยากาศ ติดผนัง 8” High Output Indoor Outdoor Background Foreground Loudspeaker
OVERVIEW
High Output Indoor/Outdoor Background/Foreground Loudspeaker
The Control® 28 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.
· 90° x 90° high frequency horn.
· Overload Protection Circuitry.
· Sensitivity: 92 dB SPL, 1 W, 1m.
· *Patents pending worldwide
SPECIFICATIONS
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Frequency Range
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60 Hz to 16 kHz (-10 dB)
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Power Capacity
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175 W Continuous Program Power; 87 W Continuous Pink Noise
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Sensitivity
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92 dB SPL, 1W, 1m
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Directivity Factor (Q)
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7.5 dB
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Directivity Index (DI)
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8.8 dB
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Nominal Impedance
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8 ohms
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Crossover Frequency
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2.8kHz
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LF Driver
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200mm (8 in) Polypropylene cone w/ WeatherEdge
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HF Driver
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25mm (1 in) Titanium coated polycarbonate
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Enclosure Material
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HIPS (High Impact Polystyrene)
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Overload Protection
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Full-Range power limiting to protect network and transducers
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Terminations
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Spring terminals, accepts banana plug
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Dimensions (H x W x D)
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380 x 280 x 220 mm (15.0 x 11.0 x 8.6 in)
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Net Weight (ea)
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5.5 kg (12 lb)
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Shipping Weight (ea)
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11 kg (25 lb)
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Included Accessories
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Invisiball Assembly 6mm x 180mm hex key
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Optional Accessories
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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.
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