JBL Control 424C/T handleiding

Speaker

JBL

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Handleiding

Control 424C/T

Enhanced Coverage Series -- Compact 4" Full-Range Ceiling Loudspeaker with Coplanar RBI

www.jblpro.com

Specications 

System

Frequency Range (-10 dB)

75 Hz – 18 kHz

Frequency Response (±3 dB)

88 Hz – 17 kHz

Power Capacity

120 W Continuous Program (2 hrs)

60 W (240 W Peak), Continuous Pink Noise (2 hrs)

40 W (160 W Peak) Continuous Pink Noise Power (100 hrs)

Sensitivity:

85 dB (ave.100 Hz – 10 kHz)

Nominal Coverage Angle

130° conical

Directivity (Q)

3.3

Directivity Index (DI)

5.2 dB

Rated Maximum SPL @ 1 m

103 dB continuous pink noise (109 dB peak)

Nominal Impedance:

16 ohms

Minimum Impedance:

LF Range: 17.2 ohms at 283 Hz; System: 16.8 ohms at 13 kHz

Transformer Taps:

70 V: 30 W, 15 W, 7.5 W & 3.7 W

100 V: 30 W, 15 W, 7.5 W

Recommended Protective High-Pass Filter

Frequency:

70 Hz (24 dB/oct LR)

Transformer Insertion Loss:

0.7 dB @ 3.7 W; 0.8 dB @ 7.5 W; 0.9 dB @ 15 W; 0.9 dB @ 30 W

Maximum Input Voltage:

31 V RMS (2 hrs), 62 V peak (at 16 ohm input)

Overload Protection:

PTC power limiting to protect network and transducers from occasional overload.

Coplanar RBI Driver Integrator (CRBI):

LF acoustic loading, tapered L-shaped apertures. Back of loading plate functions as LF waveguide, foam-lined for

smooth midrange frequency response. Provides smooth, consistent coverage of listening space. Horn-loaded HF

driver integrated into front of CRBI for maximum coherence.

Safety Agency Ratings:

Suitable for use in air handling spaces per UL1480A, UL2043, NFPA90 & NFPA70, S7232/UL Listing, Speakers for

Commercial and Professional Use. Listed per CSA C22.2, no. 205 Signal Equipment. In accordance with IEC60849/

EN60849.

Environmental:

Exceeds Mil Spec 810H for humidity, salt spray, temperature & UV. IP33 rating per EN/IEC 60529 against solid

object and water ingress. Compliant with RoHS2 per EN/IEC63000. Operating temperature 0°C to 45°C

Transducers:

LF Driver:

100 mm (4 in) treated paper cone with mechanical LPF contour, high-performance magnet, 19 mm (0.75 in) copper

voice coil on aluminum voice coil former

HF Driver:

19 mm (0.75 in) textile soft-dome, neodymium magnet assembly, Kapton™ voice coil former

Enclosure:

Enclosure Material:

Backcan: Powder-coated formed steel.

Baffle: Polypropylene, flammability rated UL94V-0

Grille:

Magnetic bezel-less, SPCC steel grille with powder-coat finish, decorative minimal-edge trim, flammability-rated

backing (removable and re-applicable for painting). Stock grille is white (RAL9003), round. Black (RAL9004) round

and white square available as optional accessories. Safety tether with tether stake pre-attached to grille.

Termination:

Two removable locking euro-block 2-pin connectors with screw-down terminals for bare wire. Connectors paralleled

for input and loop-thru. Min. wire size 20 AWG (0.5 mm

); Max. wire size 14 AWG (2.5 mm

). Terminal cover hinged

with 2 captive screws for attachment (no loose hardware).

Wire Entrance/Exit Location:

Multi-use strain relief (for wires or flex conduit) provided. Optional positioning on either top panel (for easiest

installation through ceiling cutout) or side of backcan (for lowest depth profile above ceiling). Second knock-out can

optionally be used for additional wires/flex-conduit with installer-provided strain relief.

Attachment Fastening:

3 dog-ear attachment tabs for ceiling thicknesses between 5 mm and 60 mm.

Reinforcing Brackets:

Zinc-plated C-ring and 2 powder coated tile rails included for additional support above ceiling. Additional safety tab

on backcan for secondary safety cable.

Dimensions (H x Dia):

182 mm (7.2 in) H x 196 mm (7.7 in) dia.

173 mm (6.8 in) from bottom of ceiling tile to top of backcan (with wire exit positioned on side of backcan).

Ceiling Cutout Size:

168 mm (6.6 in)

Net Weight (each):

2.8 kg (6.2 lbs)

Shipping Weight (pair-packed in carton):

10.57 kg (23.31 lbs)

Included Accessories (pair-packed):

2sets x Grille (White round bezel-less grille for magnetic attachment with pre-attached safety tether and tether clip).

2sets x C-ring; 4sets x Rubber boot; 2sets x Cable strain relief; 1set x C-ring/tile-rail screws; 1set x Cutout template;

2sets x Tile rails (fits both 2 x 4 ft and 600 x 1200 mm tiles); 2sets x Connectors (2-pin removable locking euro-

block);

Optional Accessories:

JBL-MTC-424BG black (RAL9004) magnetic round grille

JBL-MTC-424SG white (RAL9003) magnetic square grille

JBL-MTC-424NC new construction bracket

JBL-MTC-424MR mud-ring construction bracket

Colors:

Stock grille is white (RAL9003), paintable.

SKU #:

JBL-C424C/T

Half-space (mounted in ceiling, 2 π, half-space of free-field), with no high-pass filter.

Continuous Pink Noise rating is IEC-shaped pink noise with a 6 dB crest factor for 100 hours and 2 hours continuously. Continuous Program power is a conservative expression

of the system’s ability to handle normal speech and music program material and is defined as 3 dB above the Continuous Pink Noise Rating (only power rating 40 W at 100 hours

is evaluated by UL).

Half-space (mounted in ceiling, 2 π, half-space of free-field), average 1 kHz to 6 kHz.

16 ohm mode, calculated from sensitivity and 2 hr power handling, exclusive of power compression.

For additional information, see Enhanced Coverage Series Ceiling Loudspeakers Owner’s Manual, C420_CLGSPKMAN.

JBL continuously engages in research related to product improvement. Changes introduced into existing products without notice are an expression of that philosophy.

Bekijk gratis de handleiding van JBL Control 424C/T, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.