KSI Professional
Loudspeaker Systems Lecterns and Furniture Downloads Site Map About KSI Contact KSI
  501 601 801 811-HP 282 BP
Frequency Response 55-20,000 HZ +/- 3db 55-20,000 HZ +/- 3db 48-20,000 HZ +/- 3db 45-20,000 HZ +/- 3db 45-300 HZ +/- 4db
Sensitivity 90 db (1w/1m) 91 db (1w/1m) 92 db (1w/1m) 93 db (1w/1m) 93 db (1w/1m)
Power Capacity, watts 50 RMS; 90 Program 50 RMS; 100 Program 50 RMS; 100 Program 125 RMS; 200 Program 200 RMS; 300 Program
Crossover Frequency 3500 HZ @ 6db/octave 3500 HZ @ 6db/octave 3500 HZ @ 6db/octave 3500 HZ @ 12db/octave Up to 250 HZ active
Nominal Impedance 8 ohms 8 ohms 8 ohms 8 ohms 8 ohms
Nominal Dispersion 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 130 degrees conical
Low Frequency Transducer
 
5 1/4" 1" voice coil 6 1/2" 1 1/2" voice coil 8" 1 1/2" voice coil 8 1/2" 1 1/2 " voice coil - cast frame 2-8" w/ 2" voice coil
High Frequency Transducer 1" titanium dome 1" titanium dome 1" titanium dome 25mm horn loaded fabric dome None
Tuning 8" passive radiator 8" passive radiator 8" passive radiator 10" passive radiator Optimally vented bandpass
Enclosure Type Optimally vented Optimally vented Optimally vented Optimally vented None
Enclosure Dimensions 18"H x 8 1/2"W x 7"D 19 1/2"H x 8 1/2"W x 8"D 23"H x 11"W x 10"D 23"H x 11 3/4"W x 10"D 27 1/4"H x 13"W x 11 1/2"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
w/internal stiffeners
3/4" MDF w/internal stiffeners
Finish Black lacquer w/black grille Black lacquer w/black grille Black lacquer w/black grille Black lacquer w/black grille Black lacquer w/black grille
Electrical input Dual gold plated binding post Dual gold plated binding post Dual gold plated binding post Dual gold plated binding post Dual gold plated binding post
Weight 14 lbs 16 lbs 24 lbs 28 lbs 52 lbs
Options
 
25 & 70.7 volt transformers
White lacquer w/white grille
25 & 70.7 volt transformers
White lacquer w/white grille
25 & 70.7 volt transformers
White lacquer w/white grille
25 & 70.7 volt transformers
White lacquer w/white grille
None
Near Field Loudspeakers Product Information (PDF)