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

JBL Contr

ol 227C/CT 

REV B

07-09

Technical Manual

JBL Control 227C/CT

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Frequency Range:

43 Hz – 19 kHz (–10 dB)

•  Frequency Response:

75 Hz – 17 kHz

• Coverage Pattern:

120º conical, broadband

• Directivity Factor (Q):

7.0 (1k - 16 kHz)

• Directivity Index (DL):

8.5 dB (1k - 16kHz)

• Long-Term System Power

150 W (1600 W peak), 2 hrs

Rating, IEC:

100 W (1000 W peak), 100 hrs

• Sensitivity (2.83V @ 1m):

90 dB measured half-space
95 dB computed for competitive 
comparision

• Maximum SPL:

112 dB cont ave (118 dB peak)

• Crossover Network:

2.2 kHz, 3rd order (18 dB/oct) high-pass
plus conjugate to HF, 3rd order low-pass
to LF (363589-001)

•  Nominal Impedance (227C):

8 ohms  

•  Transformer Taps (227CT):

70V: 68W, 34W, 17W, 8.5W
100V: 68W, 34W, 17W, N/C

TRANSDUCER SECTION:

• Cabinet:

MTC-200BB6  

• Grille:

MTC-RG6/8

• Low Frequency Driver:

165 mm (6.5 in.) Kevlar reinforced 
cone (363801-001)

• High Frequency Driver:

25 mm (1 in.) exit compression 
driver (363802-001)

AURAL SWEEP TEST SPECIFICATIONS:

A. System Aural Sweep Test:

7.0V Input, 20 Hz to 20 kHz

B. L.F. Aural Sweep Test:

4.0V Input, 20 Hz to 1.2 kHz

C. H.F. Aural Sweep Test:

2.0V Input, 20 Hz to 20 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions:

0.305mm (12 in) round baffle x depth 

(Diameter x Depth)

from back of baffle 147 mm (5.8 in)

• Net Weight / Ship Weight:

227C: 4.1 kg (9.0 lb); 5.4 kg (12.0 lb)

• Net Weight / Ship Weight:

227CT: 5.2 kg (11.5 lb); 6.6 kg (14.5

lb)

WARRANTY INFORMATION:

• Refer to Warranty Statement packed with each product.

Owners Manual

363947-004

Warranty Card

59660
Packaging
364103-001

PACKAGE

WIRING DIAGRAM

SCHEMATIC

Network
Assembly
363589-001

YEL/BLK 

GRN/BLK 

GRN

YEL 

Driver, Hi Frequency
363802-001

Driver, Low Frequency
363801-001

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