Qm High Efficiency Dodec

Qm High Efficiency Dodec

The Qm dodecahedron speaker is a high-efficiency, low cost omni-directional sound source for SI testing and building acoustics. The Qm dodec has sufficient power (120 dB SWL) and frequency range and the necessary directional performance for ISO 16283.

Weighing in at 15 kg it is one of the lighter dodecs available. If you are looking for the ultimate in lightweight and compact dodecs check out the Qohm Ultra-Lightweight Comapct Dodec.

  • 120 dB SWL for up to 2 minutes (114 dB SWL for up to 15 minutes)
  • 50 - 16,000 Hz Frequency Range
  • Omnidirectionality +/- 1 dB 50 - 1600 Hz, +/- 3dB 1600 - 2500 Hz
  • Output level stability better than 0.5 dB for 10 minutes at 114 dB SWL (1.5 minutes at 120 dB SWL)
  • Power Required onnly 120W rms into 4 ohms
  • 15 kg in weight
  • 38 cm diameter
  • supplied with stand

The Qm dodec and FTL500 Combined 500W Amplifier, Noise Generator and Graphic Equlaiser, which weighs only 4 kg, are a fantastic combination of you are looking for a complete, professional and low cost solution to noise generation for SI testing or architectural acoustics.


Rion NX-28BA: Building Acoustics Option for the Rion NA-28
The Rion NX-28BA is the quickest and easiest to use Building Acoustics package for a Class 1 multi-function sound analyser. It's semi-automated procedure enables the user to either follow the NX-28BA... [view more details]

Qohm Ultra-Lightweight Compact Dodec
The Qohm dodecahedron speaker is the Holy Grail omni-directional sound source for SI testing/architectural acoustics. At last, a dodec which is physically small, amazingly lightweight (3.5 kg) with s... [view more details]