The acoustic source is composed from :

    1) D 301 Amplifier with  noise-generator, equalisation circuitry and Power Supply 230 A.C. / battery pack

   2) HDL 301 Omni Directional Hemi dodecahedron loudspeaker.

   3) Accessory

  You see photo

Amplifier D 301                               

Very light (6.5 Kg)

Pink and white noise integrate generator.  

Input for P. Computer or external generator.  

Calibrated level

Protection for short-circuited

Output for Dodecahedron loudspeaker 

Output for  loudspeaker for facade insulation

Remote control 433 MHz

 Batteries charge

 POWER OUTPUT :     300 WATT  

                                               280 WATT 

 POWER SUPPLY:  AC  ( 230 V  1,5 A) (115 a  request)

                                            DC  ( 24 V+ 24 V - 6 A) 

 BATTERY AUTONOMY:  Max level  50 MINUTES  

                                                             STAND-BY 50 HOURS  

 AMBIENT TEMPERATURES:       -10° C / + 40° C  

 ACCESSORIES:  BATTERY PACK     24 V+ 24 V - 6 A

                                     PROGRAMMABLE REMOTE CONTROL

                                     BAG OF TRANSPORT

DIMENSION                       130 ´ 320 ´ 430  mm  

DIMENSION BY BAG       155 X 350 X 450  mm

WEIGHT                              6.5 kg  

  Measurement by HDL 301:  reverberation time, spatial decay, sound distribution.

  Measurement by FL 01: facade insulation.

      Specifications (By amplifier  D 301) 

      HDL 301  (Hemi dodecahedron loudspeaker)

    ·    Power handling: 150 W continuous (300 W peak peak)

     ·   Dimension 380 x 380 x 250  mm

    ·   Weigh 7,5 Kg

    ·   Conforms ISO 140, ISO 3382

  Amplifier in Linear position:   40 -20.000 Hz ; Lw max 115 dB

   Amplifier in Normal position: 60 - 16.000 Hz  Lw max 119 dB

Auxiliary Input for personal computer or external generator.

Very good answer in frequency, 40 – 20000 Hz (equalizer included).

  Excellent linearity of answer in frequency.