JBL 24CT user manual

Summary of the content on the page No. 1

Background
®
Music
Control 24CT MicroPlus Ceiling Speaker
Professional Series
Key Features:

Extremely wide 150° coverage.

Smooth frequency response.

Advanced crossover network provides
very even coverage throughout listen-
ing area.

Components:
• 115 mm (4.5 in) woofer, injection
molded graphite cone with butyl
rubber surround.

• 12 mm (.5 in) polycarbonate tweeter
for extended response.

Control 24CT MicroPlus includes 25W
multi-tap transformer for 70V/100V
systems.

Shallow 100 mm

Summary of the content on the page No. 2

Control 24CT MicroPlus Background Music Ceiling Speaker 110 Frequency Response, on axis in half-space, 70V input to 25W tap 100 90 80 70 60 20 100 1000 10000 20000 Frequency (Hz) 360 Beamwidth vs. Frequency 100 Horizontal Vertical 10 20 100 1000 10000 20000 Frequency (Hz) Horizontal Off Axis Frequency Response 6.4 (163) Vertical Off Axis Frequency Response (up) Vertical Off Axis Frequency Response (down) 7.7 (195) 5.3 (133) 4.1 (105) SPL, 1m (dB) -6 dB Beamwidth (degrees)

Summary of the content on the page No. 3

Horizontal 1/3 Octave Polars Architectural Specifications: The loudspeaker shall be of in-ceiling design, consisting of a 115 mm (4.5 in) low frequency transducer, a 12 mm (0.5 in) tweeter, and fre- quency dividing network installed in an integral ported enclosure. The low frequency voice coil shall be 24 mm (1 in) in diameter and the cone shall be of lightweight injection molded graphite. Performance specification of a typical production unit shall be as follows: Measured sensitivity (SPL at 1

Summary of the content on the page No. 4

Control 24CT MicroPlus Background Music Ceiling Speaker Vertical 1/3 Octave Polars JBL Professional 8500 Balboa Boulevard, P.O. Box 2200 SS Control 24CTMP Northridge, California 91329 U.S.A. CRP 10M A Harman International Company 4/02 © Copyright 2002 JBL Professional