Olution   Floorstanding as in K+T 5/2017

Technical data
  • impedance: 8 Ohm
  • sensivity (2,83V/1m): 87 dB
  • size (HxWxD): 1210 x 330 x 430 mm
  • frequency range (-8dB): 31 - 27000 Hz
  • crossover frequency(s): 150, 2000 Hz
  • speaker type: bass reflex

Olution is a three way floorstanding speaker.

Olution is a bass-reflex cabinet loudspeaker with drivers of Monacor .

The kit is delivered with the following drivers:
- a Monacor DT-350 NF tweeter
- a Monacor SPH-165 KEP mids driver
- two Monacor SPH-250 CTC woofers

The loudspeaker has been developed by Florian Englerth and Bern Bieg.

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

The frequency response of this speaker is nearly linear. The decay spectrum is nearly perfect. At low volume, i.e. 85 dB at 1 m, the nonlinear distortions are below 0.5% above 300 Hz and doesn't exceed 0.8% at 95 dB at 1 m between 300 and 15000 Hz.

Our kit consists of

  • 2x Monacor SPH-250CTC, 2x8 Ohm
  • Monacor SPH-165 KEP woofer
  • DT-350NF
  • 4x Bass reflex tube BR70V, black Vario
  • Damping Sonofil 100 x 35 cm for 20 litres
  • 2x Foam N25, 100x50x4 cm, black
  • Binding Post PK31, gold plated (one pair, red and black)
  • 4m Speaker cable 2x1.5 mm2, transparent
  • 2x Pan screws 4x20 black, cross recess, 8 pieces
  • Plan for DIY kit

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

  • ClarityCap PWA capacitor 5.6 uF / 160 Vdc
  • ClarityCap PWA capacitor 12 uF / 160 Vdc
  • ClarityCap PWA capacitor 100uF / 160 Vdc
  • Audaphon MKP CAP Superior 6.8 uF / 400 Vdc
  • Audaphon MKP CAP Superior 10 uF / 400 Vdc
  • 3x Mundorf, electrolytic capacitor, unetched, 100uF / 50 Vdc
  • Mundorf air core coil L140, 0.33 mH/0.15 Ohm
  • 1.3 mm air core coil, 0.68 mH/0.22 Ohm
  • Mundorf bs140 core coil 15mH/0.48Ohm
  • Mundorf H core coil H50, 4.7 mH/1.0 0hm
  • Mundorf H core coil H71, 27 mH/1.68 0hm
  • ceramic resistor 1.8 Ohm/20 Watt
  • ceramic resistor 2.7 Ohm/20 Watt
  • 2x ceramic resistor 15 Ohm/20 Watt
  • Metal-oxide resistor, 10W 3.9 Ohm (orange-white-gold)
  • Metal-oxide resistor, 10W 6.8 Ohm (blue-grey-gold)

Kit without cabinet, price per speaker   - not available

Kit with high-end crossover

The high-end kit is delivered with copper foil 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 of type polypropylen (MKP) Clarity-Cap PWA, PX and even CSA capacitors.

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 11,70 excl. VAT: € 9.83 / $ 11.11
We recommend two boards per kit (four boards for a speaker pair)


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