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  • Specifications
  • Power Handling RMS / Music
    160W / 320W
  • Nominal Impedance   4 Ohm
  • Efficiency   89dB @ 1W @ 1m
  • Frequency Range
    32Hz - 28kHz @ -6dB
  • Frequency Range
    39Hz - 26kHz @ +/-2.5dB
  • Crossover Slope
    6dB/Oct.
  • Equalised
    Amplitude, Phase
  • Crossover Frequency   2.5kHz
  • Pair Matching better than
    +/-0.25 dB (L-R)
  • Bass Reflex Tuning   29.9Hz
  • Dimensions (H x W x D)
    900 x 200 x 600mm
    with plinth / base plate (H x W x D)
    1060 x 280 x 630mm
  • Weight / Piece 70kg
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High-fidelity/high-end loudspeaker Sigma 2

Sigma 2 takes after Sigma 4 as much as it is possible. Detail, weight, microdynamics. Sound naturalness and time-accurateness. Great sound stage and space.

Two midwoofers similar to those used for Sigma 4, were chosen now in a layout referring to the concept of D'Appolito. They create some sort of point source along with the same horn-loaded tweeter. Similarly, Sigma 2 curved structure focuses the sound at listening area.

And what more can be said about this loudspeaker? "There is no room for compromise here."

Sigma 2 enjoys a very high interest and becomes a desired loudspeaker after the listening session.

- Two state of the art SB ACOUSTICS Satori midwoofers
    -Proprietary cone material with EGYPTIAN PAPYRUS™ fibres made in-house
    -Powerful optimized low distortion neodymium motor system
    -Extended copper sleeve on pole piece for low inductance and reduced distortion
- State of the art SB ACOUSTICS Satori tweeter
    -Non-resonant diaphragm design for minimum high frequency break-up
    -Saturation controlled motor system with T-shaped pole piece for lower distortion
    -Dual copper caps for absolute minimum voice coil inductance and minimum phase shift
- Refined enclosure
    -Curved multilayer front panel so as to have sound within focus
    -Shallow tweeter horn for time coherence and reduced reflection of sound from box edges
    -Slim, deep and thoroughly reinforced box for undistorted deep and detailed bass
- Uncompromising crossover
    -High-class crossover linear components including solid thick-wire air-core inductors, high standard capacitors      as well as pure silver ALBEDO internal speaker cables
    -Advanced and complex electronic circuit but the simplest and the shortest possible signal path
    -Refined crossover wiring diagram for natural timbre, time coherence and the highest possible speaker control
- Sigma as a whole
    -Elegant casing available in an appropriately selected range of finishes, e.g. colours of well recognized
     automotive brands
    -Reliable and tidy components so as to sound and look good

Sigma 2 is build like a luxury loudspeaker

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