Klipsch Speaker RB 81 User Manual

8" Bookshelf Loudspeaker  
RB-81  
A towering achievement in a bookshelf design,  
the Reference Series RB-81 delivers unrivaled  
audio performance for those who demand the  
very best. With its high-end materials and  
cosmetic elegance, this flagship model is  
definitely a force to be reckoned with.  
• Ultra-high-performance bookshelf speaker  
• Front-firing port for easy integration into cabinetry  
®
Tractrix Horn eliminates acoustic interference from shelf installations  
S P E C I F I C A T I O N S  
®
Exclusive Tractrix Horns have always been the  
FREQUENCY RESPONSE  
POWER HANDLING  
SENSITIVITY  
46Hz-23kHz 3dB  
key component of this critically acclaimed series.  
In the RB-81, this technology has been refined to  
include improved throat geometry for a more  
genuine, lifelike sound. Behind the horn lies a  
1-inch titanium tweeter with a large ceramic  
motor structure to provide a unique combination  
of precision, clarity and effortless power.  
150W RMS / 600W Peak  
97dB @ 2.83V / 1m  
NOMINAL IMPEDANCE  
HIGH FREQUENCY DRIVERS  
8 ohms compatible  
1" (2.54cm) Titanium diaphragm compression  
driver mated to 90˚x 60˚ square  
Tractrix® Horn  
The RB-81 employs an 8-inch woofer for a solid  
bass foundation. This Cerametallic™ woofer  
with inverted copper dust cap exhibits a very  
high stiffness-to-mass ratio and superb damping  
characteristics.  
HIGH FREQUENCY CROSSOVER  
1800Hz  
LOW FREQUENCY DRIVERS  
ENCLOSURE TYPE  
HEIGHT  
8" (20.3cm) Cerametalliccone woofer  
Bass-reflex via front-firing port  
19" (48.3cm)  
WIDTH  
9.25" (23.5cm)  
The RB-81’s front-firing port eliminates  
turbulence noise and makes installation into  
custom cabinetry a breeze. Increased baffle  
ribbing around the horn mouth dramatically  
improves acoustics across the sonic range. For  
signal purity and perfect driver integration, the  
crossover on the RB-81 features the finest  
components and Klipsch custom internal wiring.  
DEPTH  
12.25" (31.1cm)  
WEIGHT  
30 lbs (13.6kg)  
FINISH  
Cherry or Black Ash woodgrain vinyl  
Available in either a cherry or black woodgrain  
vinyl finish, the RB-81 comes with a low-  
diffraction, magnetically attached grille to further  
accentuate the elegance of this speaker.  
1-800-KLIPSCH  
All specifications are subject to change without notice. ©2006  
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