Aare   Shelf speaker as in K+T 1/2024

Technical data
  • impedance: 6 Ohm
  • sensivity (2,83V/1m): 85 dB
  • size (HxWxD): 350 x 216 x 300 mm
  • frequency range (-8dB): 42 - 40000 Hz
  • crossover frequency(s): 1800 Hz
  • speaker type: bass reflex
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Aare is a two way compact speaker.

Aare is a bass-reflex cabinet loudspeaker with drivers of SB Acoustics and Wavecor.

The kit is delivered with the following drivers:
- a SB Acoustics SB29BAC-C000-4 tweeter
- a Wavecor WF182BD16 woofer

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 order low-pass filter (12 dB per octave slope) for the woofer.

The frequency response of this speaker is perfectly linear.

The decay spectrum is nearly perfect.

At low volume, i.e. 85 dB at 1 m, the nonlinear distortions are below 0,6% above 200 Hz and doesn't exceed 1% at 95 dB at 1 m between 300 and 15000 Hz.

An excerpt from the Klang+Ton review (Translation of the author into English)

Conclusion of the magazine Klang+Ton:

Our kit consists of

  • SB Acoustics beryllium dome tweeter SB29BAC-C000-4
  • Wavecor Mid/Woofer WF182BD16 kevlar/carbon, die cast, 8 Ohm
  • 2x Bass reflex tube HP50, 50x143mm, black
  • Damping fleece MT Bondum 800 (30 x 50 x 2 cm)
  • 0,25x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK31, gold plated (one pair, red and black)
  • 2m Speaker cable 2x1.5 mm2 black/red
  • Pan screws 3.5x17 black, torx, 8 pieces
  • 0,5x Pan screws 4x20 black, torx, 8 pieces
  • Plan for DIY kit

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

  • Audaphon MKP CAP Superior 1.0 μF / 400 Vdc
  • Audaphon MKP CAP Superior 3.9 μF / 400 Vdc
  • Audaphon MKP CAP Superior 10 μF / 400 Vdc
  • Audaphon MKT CAP 8.2 μF / 160 Vdc
  • Audaphon MKT CAP 10 μF / 160 Vdc
  • Audaphon MKT CAP 22 μF / 160 Vdc
  • 1.4 mm air core coil 1.8 mH/0.41 Ohm
  • 0.7 mm air core coil, 0.56 mH/0.55 Ohm
  • 0.7 mm air core coil, 2.2 mH/1.3 Ohm
  • Metal-oxide resistor, 10W 5.6 Ohm (green-blue-gold)
  • Metal-oxide resistor, 10W 10 Ohm (brown-black-black)

Kit without cabinet, price per speaker   EUR 645,00 excl. VAT: € 542.02 / $ 590.80

Kit with high-end crossover

The high-end kit is delivered with 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 SB Acoustics SB29BAC-C000-4 are of type polypropylen (MKP) Mundorf MCAP EVO Silber Gold Oil 450 V.

  • Mundorf MCAP EVO Oil 1 μF / 450 V
  • Mundorf MCAP EVO Silver Gold Öl 3.9 μF / 450 V
  • Mundorf MCAP EVO Silver Gold Öl 10 μF / 450 V
  • Mundorf MKP capacitor 8.2 μF / 250 V
  • Mundorf MKP capacitor 10 μF / 250 V
  • Mundorf MKP capacitor 22 μF / 250 V
  • Mundorf copper foil coil CFC14-1.8 mH/0.32Ohm
  • Mundorf baked varnish air core coil BL71, 0.56 mH/0.64 Ohm
  • Mundorf baked varnish air core coil BL71, 2.2 mH/1.3 Ohm
  • MResist Supreme 5.6 Ohm / 20 Watt
  • Mresist Classic 10 Ohm / 10 Watt

Kit with high-end-crossover without cabinet, price per speaker   EUR 898,00 excl. VAT: € 754.62 / $ 822.54

Impedance correction

If you want to use a valve amplifier with this speaker an impedance correction should be employed. In this case the component quality is less important; therefore, we offer only one kit (upon request higher quality components are available).

  • Audaphon MKT CAP 33 μF / 160 Vdc
  • 0.7 mm air core coil, 0.15 mH/0.28 Ohm
  • ceramic resistor 6.8 Ohm/20 Watt

Price per impedance correction for one speaker, to be mounted on a small wooden board.     EUR 14,60 excl. VAT: € 12.27 / $ 13.37

universal PCB

If you prefer to mount the crossover components on a universal PCB instead on wood
PCB 150x115 mm, tin plated, price per unit:   EUR 4,70 excl. VAT: € 3.95 / $ 4.31
We recommend one board per kit (2 boards per speaker pair)

Measurements

measurmentsMeasurements on this speaker

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