Horn loudspeakers GR 20/30

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Functional features:

The products are intended for outdoor use in the effects of meteorological precipitation and solar radiation, and are intended for continued operation in the following conditions:


  • ambient temperature is from -60 to +40 °С
  • relative humidity at 25 ° C is 93%
  • air pressure, kPa (millimeter of mercury column) is from 84 to 106.7 (from 650 to 800).

Ingress Protection Rating IP43 is defined in the standard GOST 14254.

Ability of connection to translational voltage lines of 30 or 120 V through a matching transformer. 

The main technical characteristics

Parameter nameCharacteristics
Nominal electric output, W 20/30
Input voltage rating, V 30 or 120
Effective working frequency range, Hz from 500 to 4000
Available power response level, dB, min 103
Max SPL, dB 117/118
Total dimensions, mm, max
– length
– diameter

Weight, kg, max 2,6