Sigma Acoustics Orchestra 2.5

Sigma Acoustics Orchestra 2.5 speakers (€55,000) per pair in a listening room of a music lover.  


  • Loudspeaker Type: 3-way bass reflex
  • Tweeter: Heil Air Motion Transformer
  • Midrange driver: 18cm with nanocarbon fiber cone
  • Woofer: 30cm double woofer made of paper and polymers with 80mm voice coil
  • weight: 110kg per piece
  • dimensions: 400x1460x700mm (WxHxD)
  • crossover frequency: 150-1900Hz
  • Frequency response: 20-30.000Hz
  • sensitivity: 93,5dB at 2,83V/m
  • crossover: 6dB/octave
  • Power amplifier: from 40 watts to 500 watts
  • Maximum power: 500Watt
  • Impedance: 6ohm