KSI Professional 8081-CSD User Manual
8081-CSD
Series III 2x2 Grid Ceiling
Mount Loudspeaker
The 8081CSD looks great
in any 2x2 ceiling. Smooth
lines blend with any decor.
he KSI 8081-CSD 2x2 grid ceiling mount
loudspeaker is a high performance high fidelity
T
environment. The unique and innovative design of the
8081-CSD makes it a perfect choice for corporate,
government, retail and any installation demanding
superb sound quality with pleasing architectural
appearance.
loudspeaker designed for today’s digital
The 8081-CSD offers smooth midrange performance
with powerful bass response through the use of our
optimally tuned passive radiator. Coupling this to our 1”
titanium dome tweeter yields a loudspeaker with
outstanding clarity and coherence along with very wide
frequency response and moderate power capacity.
angled front baffle extends 10” from the ceiling providing
superb imaging and spatial detail.
digital audio when placed on the left, center and right of a video screen. In addition, KSI’s full line of ceiling and
wall mount loudspeakers may be used to augment the 8081-CSD, providing enhanced low frequency
performance and exceptional surround sound. As an option for installations requiring a fire retardant product, all
Series III ceiling loudspeakers are also available fabricated from UL listed fire retardant particle board. All KSI
loudspeakers are completely assembled, saving you precious time and money for fast and easy installation.
Specifications:
Frequency Response Enclosure dimensions 23-5/8” h x 23-5/8” w x 10” d
Sensitivity 92 db (1w/1m) Enclosure type Optimally vented
Power Capacity, watts 50 RMS; 100 Program Enclosure Construction 1/2” particle board w/ internal stiffeners
Crossover frequency 3500 HZ @ 6 db/octave Finish White baffle and grille
Nominal Impedance 8 ohms Electrical input Hardwire input
Nominal Dispersion At least 110 degrees up to 6000 HZ Weight 26 lbs.
Low frequency transducer 8” with 1-1/2” voice coil Options 25 & 70.7 volt transformers
High frequency transducer 1” titanium dome UL Fire rated particle board
Tuning 10” radiator
48-20,000 HZ +/- 3 db
This combination assures accurate reproduction of dialogue and complex
The
Telephone 410-383-21677Fax 410-383-75737E-Mail KSI@Roudley.com7www.ksipro.com
KSI Professional 3500 Parkdale Ave. Baltimore, MD 21211
C
1= 000 deg
2= 015 deg
3= 030 deg
4= 045 deg
5= 060 deg
LMS - Loudspeaker Measurement System - Date: Sep 18,1999
Version3.72(C Time: Sat 10:18AM
8081-CSDHP
6= 075 deg
7= 090 deg
8= 285 deg
9= 300 deg
10= 315 deg
11= 330 deg
12= 345 deg
13=
14=
15=
LMS Library:
LMS .LIB
16=
17=
18=
19=
20=
100
dB spl
< Magnitude > Sound Pressure Level < Phase >
95
90
85
80
75
70
65
60
20 Frequency 100 500 1k Hz 5k 10k 20k
LMS - Loudspeaker Measurement System - Date: Sep 18,1999
C
1=
2=
3=
4=
5=
300
Version3.72(C Time: Sat 10:24AM
330
6=
7=
8=
9=
10=
95
8081-CSDHP
SPL Polar Plot
0
11=
12=
13= 125 hz
14= 250 hz
15= 500 hz
30
90
85
80
75
60
No FreqHz Deg Q DIdB
13 125.0 360 1.5 1.8
14 250.0 264 2.1 3.3
15 500.0 360 1.3 1.2
16 1.0k 215 2.5 4.0
17 2.0k 233 2.6 4.1
18 4.0k 71 4.4 6.4
19 8.0k 81 5.2 7.2
20 16.0k 45 10.6 10.3
70
65
60
270
90
60
65
70
240
75
80
120
85
90
210
95
180
150
C
Deg
C
LMS Library:
LMS .LIB
16= 1 khz
17= 2 khz
18= 4 khz
19= 8 khz
20= 16 khz
180
135
90
45
0
-45
-90
-135
-180
Telephone 410-383-21677Fax 410-383-75737E-Mail KSI@Roudley.com7www.ksipro.com
KSI Professional 3500 Parkdale Ave. Baltimore, MD 21211
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