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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
K3.5-30K3.5-40K3.5-60K3.5-80K3.5-100K3.5-120
1/1 powerImpedance30W333Ω40W250Ω60W166Ω80W125Ω100W111Ω120W83Ω
1/2 powerImpedance15W666Ω20W500Ω30W333Ω40W250Ω50W111Ω60W166Ω
1/4 powerImpedance7,5W1,33kΩ10W1kΩ15W666Ω20W500Ω25W111Ω30W333Ω
1/8 powerImpedance3,75W2,66kΩ5W2kΩ7,5W1,33kΩ10W1kΩ12,5W111Ω15W666Ω
Number of full range ferrite speakers (3,3″)3pcs.4pcs.6pcs.8pcs.9pcs.12pcs.
Number of neodymium tweeters1pcs.1pcs.2pcs.3pcs.3pcs.4pcs.
SPL(1W/1m) [dB]9192949697102
SPL(max) [dB]106108111115117125
Frequency response (+/-3dB)100 ÷ 1800090 ÷ 1800090 ÷ 1800080 ÷ 1800080 ÷ 1800080 ÷ 18000
Opening angle in the horizontal plane90° (-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 plane40°35°25°20°15°15°
Input voltage100V100V100V100V100V100V
Dimensions height/width/depth [mm]450/95/90550/95/90800/95/901050/95/901200/95/901600/95/90
Weight [kg]24,58,51113,515
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