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K3.5

K3.5 type loudspeakers are the latest achievement of the Rduch company. They were specially constructed for the sound systems in churches and various public buildings. These are full-range loudspeakers with exceptionally high efficiency. The K3.5 series of loudspeakers has been designed to provide significantly increased directivity of sound emission.

    K3.5 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
K3.5-30 K3.5-40 K3.5-60 K3.5-80 K3.5-100 K3.5-120
1/1 power Impedance 30W 333Ω 40W 250Ω 60W 166Ω 80W 125Ω 100W 111Ω 120W 83Ω
1/2 power Impedance 15W 666Ω 20W 500Ω 30W 333Ω 40W 250Ω 50W 111Ω 60W 166Ω
1/4 power Impedance 7,5W 1,33kΩ 10W 1kΩ 15W 666Ω 20W 500Ω 25W 111Ω 30W 333Ω
1/8 power Impedance 3,75W 2,66kΩ 5W 2kΩ 7,5W 1,33kΩ 10W 1kΩ 12,5W 111Ω 15W 666Ω
Number of full range ferrite speakers (3,3″) 3pcs. 4pcs. 6pcs. 8pcs. 9pcs. 12pcs.
Number of neodymium tweeters 1pcs. 1pcs. 2pcs. 3pcs. 3pcs. 4pcs.
SPL(1W/1m) [dB] 91 92 94 96 97 102
SPL(max) [dB] 106 108 111 115 117 125
Frequency response (+/-3dB) 100 ÷ 18000 90 ÷ 18000 90 ÷ 18000 80 ÷ 18000 80 ÷ 18000 80 ÷ 18000
Opening angle in the horizontal plane 90° (-6dB, 1kHz ÷ 8kHz) 90°(-6dB, 1kHz÷8kHz) 100° (-6dB, 1kHz÷8kHz) 100° (-6dB, 1kHz÷8kHz) 100° (-6dB, 1kHz÷8kHz) 100° (-6dB, 1kHz÷8kHz)
Opening angle in the vertical plane 40° 35° 25° 20° 15° 15°
Input voltage 100V 100V 100V 100V 100V 100V
Dimensions height/width/depth [mm] 450/95/90 550/95/90 800/95/90 1050/95/90 1200/95/90 1600/95/90
Weight [kg] 2 4,5 8,5 11 13,5 15
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