MiniSat Basic   Shelf speaker as in Hobby Hifi 3/2014

Technical data
  • impedance: 4 Ohm
  • sensivity (2,83V/1m): 85 dB
  • size (HxWxD): 282 x 174 x 200 mm
  • frequency range (-8dB): 65 - 21000 Hz
  • crossover frequency(s): 2500 Hz
  • speaker type: closed box

MiniSat Basic is a small shelf speaker developed by Bernd Timmermanns. MiniSat Basic is available as 4 Ohm version or as 8 Ohm version. It contains a Visaton bass loudspeaker W130S (in 4 or 8 Ohm) and a Visaton dome tweeter SC10.

The construction is quite simple: only 8 small rectangular cut boards are needed.

The crossover consists of second-order filters.

The frequency response is flat on 15 degree angle (horizontal deviation). The decay spectrum is without error. The non-linear distortions are less than 1% above 200 Hz at 90 dB SPL (1 m).

Our kit consists of

  • Visaton SC 10 N, 8 Ohm
  • Visaton W130 S, 4 Ohm
  • 0,5x PE sealing tape, 5x2 mm, 7.5 m
  • 0,25x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK31, gold plated (one pair, red and black)
  • 1m Speaker cable 2x1.5 mm2, transparent
  • 1,5x Pan screws 3.5x17 black, torx, 8 pieces
  • Plan for DIY kit

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

  • Jantzen Cross Cap MKP capacitor 4.7 μF / 400V
  • Jantzen Cross Cap MKP capacitor 6.8 μF / 400V
  • Mundorf, electrolytic capacitor, etched, 22 μF/100 Vdc
  • Mundorf air core coil L50, 0.33 mH/0.75 0hm
  • Mundorf air core coil L50, 3.3 mH/3.13 0hm
  • 1.0 mm air core coil, 1.0 mH/0.49 Ohm
  • Metal-oxide resistor, 10W 2.2 Ohm (red-red-gold)
  • Metal-oxide resistor, 10W 5.6 Ohm (green-blue-gold)
  • Metal-oxide resistor, 5W 10 Ohm (brown-black-black)

Kit without cabinet, price per speaker (4 Ohm)   EUR 114,00 excl. VAT: € 95.80 / $ 111.13

Kit with high-end crossover

The kit with high-end crossover contains four Mundorf copper foil coils and in series to the loudspeakers Mundorf capacitors of high quality, like a silver/gold/oil capacitor in series to the tweeter.

Kit with high-end-crossover without cabinet, price per speaker (4 Ohm)   EUR 145,00 excl. VAT: € 121.85 / $ 141.34

Kit with high-pass filter for usage with a subwoofer

If you want to use a subwoofer, MiniSat basic should be built with a high-pass filter:

Our kit consists of

  • Visaton SC 10 N, 8 Ohm
  • Visaton W130 S, 4 Ohm
  • 0,5x PE sealing tape, 5x2 mm, 7.5 m
  • 0,25x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK31, gold plated (one pair, red and black)
  • 1m Speaker cable 2x1.5 mm2, transparent
  • 1,5x Pan screws 3.5x17 black, torx, 8 pieces
  • Plan for DIY kit

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

  • Jantzen Cross Cap MKP capacitor 4.7 μF / 400V
  • Jantzen Cross Cap MKP capacitor 6.8 μF / 400V
  • Mundorf, electrolytic capacitor, etched, 22 μF/100 Vdc
  • Mundorf, electrolytic capacitor, etched, 220 μF/63 Vdc
  • Mundorf air core coil L50, 0.33 mH/0.75 0hm
  • 2x Mundorf air core coil L50, 3.3 mH/3.13 0hm
  • 1.0 mm air core coil, 1.2 mH/0.54 Ohm
  • Metal-oxide resistor, 10W 3.3 Ohm (orange-orange-gold)
  • Metal-oxide resistor, 10W 5.6 Ohm (green-blue-gold)
  • Metal-oxide resistor, 5W 6.8 Ohm (blue-grey-gold)

Kit without cabinet, price per speaker (4 Ohm)   EUR 131,00 excl. VAT: € 110.08 / $ 127.70

Kit with high-end crossover no 2

The kit with high-end crossover contains four Mundorf copper foil coils and in series to the loudspeakers Mundorf capacitors of high quality, like a silver/gold/oil capacitor in series to the tweeter.

Kit with high-end-crossover without cabinet, price per speaker (4 Ohm)   EUR 245,00 excl. VAT: € 205.88 / $ 238.82

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 11,00 excl. VAT: € 9.24 / $ 10.72

universal PCB

If you prefer to mount the crossover components on a 140 x 102 mm universal PCB instead on wood:
Universal PCB RA140, order no.. str-RA140, price per unit:   EUR 4,20 excl. VAT: € 3.53 / $ 4.09
We recommend one or two boards per kit (two or four boards for a speaker pair)


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