Omikron   Floorstanding as in K+T 5/2017

Technical data
  • impedance: 4 Ohm
  • sensivity (2,83V/1m): 90 dB
  • size (HxWxD): 1350 x 280 x 420 mm
  • frequency range (-8dB): 30 - 30000 Hz
  • crossover frequency(s): 140, 1150 Hz
  • speaker type: closed box

Omikron is a three way floorstanding speaker.

Omikron is a closed-cabinet loudspeaker with drivers of Wavecor.

The kit is delivered with the following drivers:
- a Wavecor TW030WA11 tweeter
- two Wavecor WF120CU08 mids drivers
- four Wavecor WF223BD01 woofers

The loudspeaker has been developed by Dennis Frank and Daniel Gattig.

The crossover consists of:
- a 3rd order high-pass filter (18 dB per octave slope) for the tweeter.
a 2nd and 3rd order bandpass filter (12 dB and 18 dB per octave slope) for the midranges.
- a 2nd order low-pass filter (12 dB per octave slope) for the woofers.

The frequency response of this speaker is perfectly linear. The decay spectrum as shown in the waterfall diagram is exemplary, free of any disturbing resonance. At low volume, i.e. 85 dB at 1 m, the nonlinear distortions are below 0.7% above 300 Hz and doesn't exceed 0.7% at 95 dB at 1 m between 300 and 15000 Hz.

Our kit consists of

  • Wavecor silk dome tweeter TW030WA11, 4 Ohm
  • 2x WF120CU08, Wavecor Mid/Woofer, 8 Ohm, paper / glass fiber, BD, phase plug
  • 4x Wavecor Mid/Woofer WF223BD01 paper / glass fiber, 4 Ohm
  • 2x Damping fleece MT Bondum 800 (30 x 50 x 2 cm)
  • 5x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK28 I, gold plated (one pair, red and black)
  • 6m Speaker cable 2x1.5 mm2 black/red
  • 0,5x Pan screws 3.5x17 black, torx, 8 pieces
  • 3,5x Pan screws 4x20 black, torx, 8 pieces
  • Plan for DIY kit

the crossover components (right),
to be mounted on a small wooden board.

  • ClarityCap PWA capacitor 82 μF / 160 Vdc
  • ClarityCap PWA capacitor 100μF / 160 Vdc
  • Audaphon MKP CAP Superior 2.2 μF / 400 Vdc
  • Audaphon MKP CAP Superior 15 μF / 400 Vdc
  • Audaphon MKP CAP Superior 22 μF / 400 Vdc
  • Audaphon MKT CAP 68 μF / 160 Vdc
  • Audaphon MKT CAP 100 μF / 160 Vdc
  • Mundorf, electrolytic capacitor, etched, 330 μF/63 Vdc
  • 1.4 mm air core coil, 0.68 mH/0.23 Ohm
  • 1.4 mm air core coil, 1.0 mH/0.29 Ohm
  • 0.7 mm air core coil, 0.47 mH/0.50 Ohm
  • Mundorf bs140 core coil 22 mH/0.56Ohm
  • Mundorf H core coil H71, 3.9 mH/0.5 0hm
  • Mundorf transformer core coil VT180 12 mH/0,31 Ohm
  • 2x ceramic resistor 8.2 Ohm/20 Watt
  • 3x Metal-oxide resistor, 10W 3.3 Ohm (orange-orange-gold)

Kit without cabinet, price per speaker   - not available

Kit with high-end crossover

The high-end kit is delivered with copper foil coils or baked varnish air core coils on important parts of the crossover for minimizing microphonic effects. - The current flow through the coil creates a magnetic field which sets the reel of wire in motion. This motion induces a voltage in the coil which adds itself to the signal. The stiffer the reel of wire is, the less the signal will be altered. The capacitors for the fullrange driver are all of type polypropylen (MKP): Clarity-Cap PWA, PX and even CSA.

Kit with high-end-crossover without cabinet, price per speaker   - not available

universal PCB

If you prefer to mount the crossover components on a universal PCB instead on wood
PCB 220x155 mm, order no. I-8805002, price per unit:   EUR 11,80 excl. VAT: € 9.92 / $ 10.81
We recommend three boards per kit (6 boards per speaker pair)


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