Rhône   Floorstanding as in K+T 4/2018

Technical data
  • impedance: 8 Ohm
  • sensivity (2,83V/1m): 84 dB
  • size (HxWxD): 1050 x 220 x 240 mm
  • frequency range (-8dB): 28 - 40000 Hz
  • crossover frequency(s): 1000 Hz
  • speaker type: bass reflex
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Rhône is a two way floorstanding speaker.

Rhône is a bass-reflex cabinet loudspeaker with drivers of Wavecor .

The kit is delivered with the following drivers:
- a Wavecor TW030WA12 tweeter
- a Wavecor WF182CU12 midrange / bass driver

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 3rd order low-pass filter (18 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 0,3% above 500 Hz and doesn't exceed 0,5% at 95 dB at 1 m between 300 and 15000 Hz.

Our kit consists of

  • Wavecor silk dome tweeter TW030WA12, 8 Ohm
  • WF182CU12, Wavecor Mid/Woofer, 8 Ohm, paper / glass fiber, BD, phase plug
  • 2x Bass reflex tube HP50, 50x145 mm, black
  • Damping fleece MT Bondum 800 (30 x 50 x 2 cm)
  • 1,5x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK28 I, gold plated (one pair, red and black)
  • 3m Speaker cable 2x1.5 mm2, transparent
  • Pan screws 3.5x17 black, 8 pieces
  • 0,5x Pan screws 4x20 black, 8 pieces
  • Plan for DIY kit

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

  • Audaphon MKP CAP Superior 1.0 uF / 400 Vdc
  • Audaphon MKP CAP Superior 5.6 uF / 400 Vdc
  • Audaphon MKP CAP Superior 15 uF / 400 Vdc
  • Audaphon MKT CAP 33 uF / 160 Vdc
  • Mundorf air core coil L140, 0.47 mH/0.19 Ohm
  • 1.0 mm air core coil, 1.5 mH/0.63 Ohm
  • Mundorf H core coil H100, 3.3 mH/0.27 0hm
  • Metal-oxide resistor, 10W 8.2 Ohm (grey-red-gold)
  • Metal-oxide resistor, 10W 22 Ohm (red-red-black)

Kit without cabinet, price per speaker   EUR 379,00 excl. VAT: € 318.49 / $ 369.45

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 tweeter are of type polypropylen (MKP) Clarity-Cap CSA 630 V.

Kit with high-end-crossover without cabinet, price per speaker   EUR 432,00 excl. VAT: € 363.03 / $ 421.11

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).


Price per impedance correction for one speaker, to be mounted on a small wooden board.     EUR 13,60 excl. VAT: € 11.43 / $ 13.26

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 / $ 4.58
We recommend one board per kit (2 boards per speaker pair)


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