JBL Control 28T-60 Specification

Contents

key features

Control®28T-60 High OutputIndoor/OutdoorBackground/Foreground SpeakerKey Features:c Isolation transformer for70.7V/100V distributed-linesound systemsc Components: 8” Polypropylenecoated woofer, 1” Titanium coatedhorn loaded tweeterc Built-in InvisiBall TM mountinghardware*c Weather resistant enclosure andtransducersc Readily paintablec 90° x 90° high frequency hornc Overload Protection Circuitry*Patents pending worldwideThe Control ® 28T is the largest ofJBL Professional’s Control ContractorSeries indoor/outdoor loudspeakers.Its rich sonic character makes theControl ® 28T a perfect choice forrestaurants, health clubs, under bal-cony, outdoor theme & water parks,or other applications where fore-ground/background music and pag-ing are required. The Control 28T canbe used in either 70.7V or 100Vdistributed-line sound systems. Tapsare provided at 60W, 30W and 15W(plus a 7.5W tap for use on 70.7Vsystems only).The unique and global patentpending InvisiBall ™ mounting hard-ware is included in each system andmakes short work of permanentinstallation. The InvisiBall™ mountingmethod adds the benefit of verticalrotation of up to 37° off-axis and hor-izontal rotation of up to 44° off-axis.Because InvisiBall ™ adjustments aremade through a hidden accessbehind the logo badge, the grillnever needs to be removed and thereexists a high degree of theft deter-rence as well.The Control ® 28T readily accepts avariety of paints and finishes tomatch any decor.Weather resistance is maximized bycoating the woofer cone inpolypropylene and terminating its cir-cumference in JBL’s WeatherEdge™, aseamless, rubberized extension of thewoofer surround that provides addedprotection to critical transducer ele-ments. The polycarbonate tweeterdiaphragm is reinforced with a thin film of titanium for added rigidity andendurance against sun, salt and moisture. Zinc plated grilles resist rusting inthe harshest conditions.Available in black (Control 28T-60) and white (Control 28T-60-WH).Specifications:Frequency Range (-10 dB)1: 55Hz to 15kHzPower Capacity: Components and Network: 175 Watts Continuous Program 2Transformer: Per each listed tap rating(IEC pink noise, 100 hrs)Tap Settings: 100V Line: Tap 1 = 15W, Tap 2 = 30WTap 3 = 60W, Tap 4 is not used70V Line: 0Tap 1 = 7.5W, Tap 2 =15WTap 3 = 30W, Tap 4 = 60WNominal Max Output by Tap: Tap Number 70.7V Input 100V Input(dB-SPL @ 1m): Tap #1: 099 dB 102 dBTap #2: 102 dB 105 dBTap #3: 105 dB 107 dBTap #4: 107 dB (do not use)Directivity Factor (Q): 7.5Directivity Index (DI): 8.8Crossover Frequency: 2.8kHzLF Driver: 200mm (8 in) Polypropylene cone w/WeatherEdgeHF Driver: 25mm (1 in) Titanium coated polycarbonateEnclosure Material: HIPS (High Impact Polystyrene)Overload Protection: Full-Range power limiting to protect network and transducersTermination: Spring terminals, accepts banana plugEnvironmental: 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 lbs)Shipping Weight (pr): 15kg (33 lbs)Included Accessories: Invisiball Assembly6mm x 180mm hex keyOptional Accessories:MTC-28V: For vertical columnar orientation of up to 3 loudspeakersMTC-28H: For horizontal splaying of two speakers. Three brackets arrayup to six loudspeakers in a 360° array.MTC-28/25CM: Ceiling-mount adapter.1Half-space (on-wall).2Continuous program power is a conservative expression of the system’s ability to handle normal speech and musicprogram material and is defined as 3dB above the Continuous Pink Noise Rating (IEC-shaped pink noise with a 6dBcrest factor, for 100 hours continuously).3Half-space (on-wall), ave 100Hz to 10 kHz.JBL continually engages in research related to product improvement. Changes introduced into existing products withoutnotice are an expression of that philosophy.Professional Series

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