Frequency Response
Sensitivity
Power Capacity, watts
Crossover Frequency
Nominal Impedance
Nominal Dispersion
Low Frequency Transducer
 
High Frequency Transducer
 
Tuning
Enclosure Type
Enclosure Dimensions
 
Enclosure Construction
 
Finish
Electrical input
Weight
Options
 
KSI Professional
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  12-1C 6061-CS 6061-CSD 801-C 8081-CS 8081-CSD 8081-CSD-SW 8081-CSHP 8081-CSDHP 101-CSHP
Frequency Response 40-250 HZ +/- 3db 50-20,000 HZ +/- 3db 50-20,000 HZ +/- 3db 55-20,000 HZ +/- 3db 48-20,000 HZ +/- 3db 48-20,000 HZ +/- 3db 48-20,000 HZ +/- 3db 45-20,000 HZ +/- 3db 48-20,000 HZ +/- 3db 42-20,000 HZ +/- 3db
Sensitivity 93 db (1w/1m) 91 db (1w/1m) 91 db (1w/1m) 92 db (1w/1m) 92 db (1w/1m) 92 db (1w/1m) 92 db (1w/1m) 93 db (1w/1m) 93 db (1w/1m) 94 db (1w/1m)
Power Capacity, watts 150 RMS; 290 Program 50 RMS; 100 Program 50 RMS; 100 Program 40 RMS; 80 Program 50 RMS; 100 Program 50 RMS; 100 Program 50 RMS; 100 Program 125 RMS; 200 Program 125 RMS; 200 Program 125 RMS; 200 Program
Crossover Frequency Up to 250 HZ active 3500 HZ @ 6db/octave 3500 HZ @ 6db/octave 3500 HZ @ 6db/octave 3500 HZ @ 6db/octave 3500 HZ @ 6db/octave 3500 HZ @ 6db/octave 3500 HZ @ 12db/octave 3500 HZ @ 12db/octave 3500 HZ @ 12db/octave
Nominal Impedance 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms
Nominal Dispersion At least 130° At least 110° up to 6000HZ At least 110° up to 6000HZ At least 110° up to 6000HZ At least 110° up to 6000HZ At least 110° up to 6000HZ At least 110° up to 6000HZ At least 110° up to 6000HZ At least 110° up to 6000HZ At least 110° up to 6000HZ
Low Frequency Transducer
 
12" with 2" voice coil 6-1/2" 1-1/2" voice coil 6-1/2" 1-1/2" voice coil 8" 1" voice coil 8" 1-1/2" voice coil 8-1/2" 1-1/2" voice coil 8-1/2" 1-1/2" voice coil 8" cast frame 1-1/2" voice coil 8" cast frame 1-1/2" voice coil 10" cast frame 2" voice coil
High Frequency Transducer
 
None 1" titanium dome 1" titanium dome 1" fabric dome 1" titanium dome 1" titanium dome 1" titanium dome 1" horn loaded fabric dome 1" horn loaded fabric dome 25mm horn loaded fabric dome
Tuning 10" passive radiator 8" passive radiator 8" passive radiator None 10" passive radiator 10" passive radiator 10" passive radiator 10" passive radiator 10" passive radiator 3" tuned port
Enclosure Type Optimally vented tuned port Optimally vented Optimally vented None Optimally vented Optimally vented Optimally vented Optimally vented Optimally vented Optimally vented
Enclosure Dimensions
 
23 5/8"H x 23 5/8"W x 10"D 23 5/8"H x 23 5/8"W x 3-3/4"D 23 5/8"H x 23 5/8"W x 8"D 23 5/8"H x 23 5/8"W x 3 1/2"D 23 5/8"H x 23 5/8"W x 5 1/2"D 23 5/8"H x 23 5/8"W x 10"D 23 5/8"H x 23 5/8"W x 10"D 23 5/8"H x 23 5/8"W x 5 1/2"D 23 5/8"H x 23 5/8"W x 10"D 23 5/8"H x 23 5/8"W x 7"D
Enclosure Construction
 
1/2" particle board
w/internal stiffeners
1/2" particle board
w/internal stiffeners
1/2" particle board
w/internal stiffeners
1/2" particle board 1/2" particle board
w/internal stiffeners
1/2" particle board
w/internal stiffeners
1/2" particle board
w/internal stiffeners
1/2" particle board
w/internal stiffeners
1/2" particle board
w/internal stiffeners
1/2" particle board
w/internal stiffeners
Finish White grille w/black backbox White grille w/black backbox White grille w/black backbox White grille no backbox White grille w/black backbox White baffle and grille Whitegrille w/white backbox White grille w/black backbox White baffle and grille White grille w/black backbox
Electrical input Hardwire input Hardwire input Hardwire input Hardwire input Hardwire input Hardwire input Hardwire input Hardwire input Hardwire input Hardwire input
Weight 32 lbs 21 lbs 21 lbs 12 lbs 25 lbs 24 lbs 24 lbs 28 lbs 28 lbs 30 lbs
Options
 
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
25 & 70.7 volt transformers
UL Fire rated particle board
Ceiling Loudspeakers Product Information (PDF)