Loa âm trần JBL Control 47HC – Prosound Digital Video
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JBL Control 47HC

Thương hiệu: JBL
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Loại: Loa âm trần
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Mã SP: Control 47HC
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Bảo hành: 12 tháng

Nguồn gốc xuất xứ: Mỹ/ Trung Quốc

Hotline hỗ trợ 24/7: 0972 682 830
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Two-Way 6.5" Coaxial Ceiling Loudspeaker for High Ceilings

            The Control 47HC is a premium in-ceiling professional loudspeaker designed for applications that require a focused beamwidth pattern along with very consistent coverage.

            Featuring JBL’s conical Radiation Boundary Integrator® (RBI™), the RBI provides a large waveguide for the tweeter while low-frequency sound projects through specially-designed apertures in the RBI, allowing for a seamless integration of coverage between the two coaxiallymounted drivers. The result is extremely consistent sound character with very little variation throughout the listening space. The Control 47HC’s narrow coverage pattern makes the system ideal for high ceiling applications where the focused pattern helps minimized time arrival anomalies from adjacent loudspeakers, resulting in improved speech intelligibility.

            The large backcan on the Control 47HC along with the LF driver design, provides extended bass response for a warm fullbodied tone. The system’s 165 mm (6.5 in) woofer features a polypropylene cone and pure butyl-rubber surround for long life. The copper-clad aluminum voice coil wound on a vented aluminum former provides low distortion and high sensitivity. The coaxially mounted 25 mm (1 in) soft dome features internal damping for smooth extended response and ferrofluid cooling for enhanced power handling and reduced power compression. The result is crisp, clear highs.

            Ideal for small and large projects alike, the Control 47HC is switchable for use as either an 8-ohm low-impedance speaker, or as part of a 70V/100V distributed loudspeaker system.

 

Features

·Focused 75° narrow pattern featuring JBL’s exclusive conical Radiation Boundary Integrator® (RBI™) technology.

·     Provides consistent coverage within the listening area.

·     Narrow coverage makes the system ideal for high-ceiling applications, minimizing time arrival anomalies and improving speech intelligibility.

·Coaxial design featuring:

·     165 mm (6.5 in) woofer with butyl rubber surround.

·     25 mm (1 in) soft-dome tweeter on 280 mm (11 in) diameter wave guide.

·8 ohm and 70V/100V operation.

·Integrated backcan for easy “blind-mount” install. Packaged with grille and tile rails for easy installation.

Specifications

System:

 

Frequency Range (-10 dB)1:

55 Hz - 17 kHz

Frequency Response (± 3 dB)1:

70 Hz - 14 kHz

Power Capacity2:

150 Watts Continuous Program Power

75 Watts Continuous Pink Noise

Nominal Sensitivity:

93 dB

Nominal Coverage Angle3:

75° conical coverage

Directivity Factor (Q)3:

10.2

Directivity Index (DI)3:

12.0 dB

Rated Maximum SPL:

112 dB @ 1 m (3.3 ft) average, 118 dB peak

Rated Impedance:

8 ohms (in bypass mode)

Transformer Taps:

60 W, 30 W, 15 W, (& 7.5 W @ 70 V)

Transformer Insertion Loss:

0.76 dB @ 60 W, 0.70 dB @ 30 W,

0.61 dB @ 15 W, 0.58 dB @ 7.5 W

Transducers:

 

LF Driver:

165 mm (6.5 in) with polypropylene cone, butyl rubber surround, copper-clad coil, vented aluminum former.

HF Driver:

25 mm (1 in) soft dome w/ dampening, ferrofluid-cooled.

Enclosure:

 

Input Connectors:

Two removeable locking 2-pin connectors with screwdown terminals. Max wire 12 AWG (2.5 mm).

Knockouts:

Two (top and side)

Safety Agency:

Suitable for use in air handling spaces per UL1480, UL2043, NFPA90 & NFPA 70. S7232/UL Listed, Signaling Speaker. Transformer UL registered per UL1876. In accordance with IEC60849/EN60849.

Dimensions:

332 mm Diameter x 351 mm Depth from back of baffle (13.1 in x 13.8 in)

Cutout Size:

307 mm Diameter (12.1 in)

Ceiling Thickness Range:

Accommodates tiles/drywall up to 70 mm (2.75 in) thick

Suspension Points:

Three, on top surface

Weight:

6.4 kg (14 lb)

Included Accessories:

C-ring support backing plate, 2 tile support rails (fits both 2 x 4 ft or 600 x 1200 mm tiles), knockout strain relief, cutout template, paint shield, 2 removable locking multipin connectors.

Optional Accessories:

MTC-19NC New Construction Bracket

MTC-19MR Mud Ring Construction Bracket

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