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JBL Incorporated, 8500 Balboa Boulevard, P.O. Box 2200, Northridge, California 91329  U.S.A.

JBL CONTR

OL 24CT/BK 

REV H

PACKAGE

WIRING DIAGRAM

03-12

Technical Manual

JBL CONTROL 

24CT/BK

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance:

16 ohms

• Power Capacity:

80W Continuous Program

• Frequency Range:

80 Hz to 20 kHz 

• Sensitivity:

86 dB, 1 Watt @ 1 Meter

• Crossover Frequency:

3 kHz

SYSTEM COMPONENTS:

• Cabinet:

(Not for Sale)

• Grille:

389-00028-01, 365373-001 Blk

• Woofer, Tweeter

101mm (4 in.) 

Transducer:

124-13000-00

• DC Resistance:

12.8 ohms

• Taps

30W, 15W, 7.5 and 3.7W at 70V 
30W, 15W, and 7.5W at 100V

SYSTEM COMPONENTS:

(cont’d)

• Crossover Network:

129-20045-00

AURAL SWEEP TEST SPECIFICATIONS:

A. System Aural Sweep Test:

10.0V

*

Input, 80 Hz to 20 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions:

200mm x 195mm Dia.
(7.9 x 7.7 in. Dia.)

• Shipping Weight:

17.6 lbs. (7.98 kg.) (in Pairs)

WARRANTY INFORMATION:

• Refer to Warranty Statement packed with each product.

Warranty 59660
Owners Manual 
CEILING SPKRMAN

Ceiling Rails (4)
888-00062-00

C-Bracket (2)
888-00061-01

SCHEMATIC  129-20045-00

Network
129-20045-00

Woofer, Tweeter
124-13000-00

RED

BLK

BLK

WHT

Woofer

Tweeter

RED

BLK

RED

NOTE:

All Models with Line Transformers are Tested at the Lowest Power Position

(3.7W/70V for the 24CT, and 7.5W/70V for Both the 26CT and 19CST Models),
with a Reversed Transformer in the Same Power Position Between the 
Speaker and the Amplifier.

SW

YEL

GRN

BLK

*

ORG

VIO

BLU

WHT

WHT

BLK

INPUT

L1

0.445mH

C1

1.5µF

PCT

RXE030

T1

562-00035-00

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