JBL Professional Control 18S/ST user manual

Summary of the content on the page No. 1

®
Indoor/Outdoor
Control 18S/ST Subwoofer
Professional Series
Key Features:
c Component: Long excursion 200 mm (8 in)
driver
TM
c Built-in patented InvisiBall mounting
hardware
c Overload protection circuitry (Control 18S)
c Complements full-range Control Contractor
Series systems
c Weather resistant enclosure and transducer
c High-pass output for satellite speakers
(Control 18S)
c Readily paintable
The Control 18S is designed to augment
Preliminary Specifications:
the low frequency output of any

Summary of the content on the page No. 2

® c Control 18S/ST Indoor/Outdoor Subwoofer The Control 18S can be connected into a system in a number of Frequency response (1W, 1 m) is measured on-axis with two configurations: In parallel with full-range speakers resulting in a boundary junction (p loading, gray line) and with three boundary bass-overlap configuration (which is often acceptable); With an junction (p/2 loading, black line) electronic crossover and separate amplifier channel, or; Running a full-range signal into the Control 18S a

Summary of the content on the page No. 3

Architectural Specifications: The subwoofer loudspeaker shall consist of a 200 mm (8.0 in) low frequency transducer in a vented enclosure. The voice coil shall be 38 mm (1½ in) in diameter and the coil former shall be of aluminum for maximum heat dissipation. Performance specifications of a typical production unit shall be as follows: Measured sensitivity (SPL at 1m [3.3 ft] with 2.83V input, averaged from 60 Hz to 100 Hz) shall be at least 95 dB-SPL (p/2 loading). Usable frequency response shall

Summary of the content on the page No. 4

® c Control 18S/ST Indoor/Outdoor Subwoofer JBL Professional 8500 Balboa Boulevard, P.O. Box 2200 SS Control 18S Northridge, California 91329 U.S.A. CRP 15M A Harman International Company 6/99