(+48) 32 478 18 03 MON-FRI: 07:00 -15:00

K3.3

K3.3 type loudspeakers are the latest achievement of the Rduch company. They were specially constructed for the sound systems of churches and various public buildings. These are full-range loudspeakers with exceptionally high efficiency. The K3.3 series of loudspeakers has been designed to provide significantly increased directivity of sound emission.

    K3.3 loudspeakers provide:

  • aesthetic appearance
  • homogeneous transmission of natural sound throughout the room
  • high efficiency
  • up-down handle
  • version: 100V (power regulation)
  • housing made of aluminum
  • covered with weather-resistant paint
  • colors available according to the RAL palette
Technical data
K3,3-30 K3,3-45 K3,3-70 K3,3-90 K3,3-120 K3,3-140
1/1 power Impedance 30W 333Ω 45W 222Ω 70W 142Ω 90W 111Ω 120W 83Ω 140W 71Ω
1/2 power Impedance 15W 666Ω 22,5W 444Ω 35W 285Ω 45W 222Ω 60W 166Ω 70W 142Ω
1/4 power Impedance 7,5W 1,33kΩ 11,25W 888Ω 17,5W 571Ω 22,5W 444Ω 30W 333Ω 35W 285Ω
1/8 power Impedance 3,75W 2,66kΩ 5,625W 1,77kΩ 8,75W 1,14kΩ 11,25W 888Ω 15W 666Ω 17,5W 571Ω
Number of full range ferrite speakers (3,3″) 3 pcs. 4 pcs. 6 pcs. 9 pcs. 12 pcs. 12 pcs.
Number of neodymium tweeters (1″) 1 pcs. 2 pcs. 3 pcs. 4 pcs. 4 pcs.
SPL (1W/1m) 91 dB 93 dB 95 dB 96 dB 99 dB 99 dB
SPL max 108 dB 110 dB 114 dB 119 dB 120 dB 120,5 dB
Beam range 4 m 7 m 10 m 13 m 15 m 16 m
Frequency response (+/-3dB) 135 ÷ 18000 Hz 130 ÷ 18000 Hz 125 ÷ 18000 Hz 110 ÷ 18000 Hz 105 ÷ 18000 Hz 105 ÷ 18000 Hz
Input voltage 100 V 100 V 100 V 100 V 100 V 100 V
The height of the suspension of the colum 1,7 m 1,6 – 1,8 m 1,5 – 1,9 m 1,4 m 1,4 m 1,4 m
Column slope 7 cm 7 cm 7 cm 7 cm 7 cm 7 cm
Dimensions height/width/depth [mm] 400/90/95 550/90/95 800/90/95 1100/90/95 1450/90/95 1450/90/95
Weight [kg] 3,2 4,2 5,9 9,5 11,4 11,4
MENU