SCS 138 TRIO (serv.man3) - JBL Audio User Guide / Operation Manual. Page 8

Refinements may be made on occasion to existing products without notice, 
but will always meet or exceed original specifications unless otherwise stated.

Simply Cinema is a registered trademark of JBL, Incorporated. 

* Dolby and Pro Logic are trademarks of Dolby Laboratories.

DTS is a registered trademark of Digital Theater Systems, Inc.

Frequency Response 
120Hz – 20kHz (–6dB) 
Recommended Power 
10 – 50 watts 
Impedance
4 ohms nominal 
Sensitivity
86dB @ 1 watt/1 meter
Tweeter
12mm titanium-laminate dome,
video-shielded
Midrange
75mm driver, video-shielded
Dimensions (H x W x D) 
4-3/8" x 3-3/16" x 3-3/4"
111mm x 81mm x 95mm
Weight
1.1 lb/0.5kg 

Frequency Response 
120Hz – 20kHz (–6dB) 
Recommended Power 
10 – 50 watts 
Impedance
4 ohms nominal 
Sensitivity
88dB @ 1 watt/1 meter
Tweeter
12mm titanium-laminate dome,
video-shielded
Midrange
Dual 75mm drivers, video-
shielded
Dimensions (H x W x D)
3-1/4" x 7-5/8" x 3-3/4"
83mm x 194mm x 95mm
Weight
1.89 lb/0.86kg 

JBL Consumer Products

250 Crossways Park Drive, Woodbury, NY 11797

800-336-4JBL (4525) (USA only)  

www.jbl.com 

©2001 JBL, Incorporated. 

JBL is a registered trademark of JBL, Incorporated.

Part No.ai5077

D E S I G N   G O A L : Bring the thrill of live performance and movie sound to
the home environment by calling on JBL’s professional engineering leadership.

T W E E T E R   T Y P E : Titanium-laminate-dome

E N C L O S U R E   T Y P E : Sealed

P R O F E S S I O N A L   R E F E R E N C E : Cinema Loudspeaker Series