Mini-Mo   Shelf speaker as in K+T 6/2019

Technical data
  • impedance: 8 Ohm
  • sensivity (2,83V/1m): 83 dB
  • size (HxWxD): 230 x 156 x 221 mm
  • frequency range (-8dB): 78 - 22000 Hz
  • crossover frequency(s): 2000 Hz
  • speaker type: closed box

Mini-Mo is a two way compact speaker.

Mini-Mo is a closed-cabinet loudspeaker with drivers of Monacor .

The kit is delivered with the following drivers:
- a Monacor DT-25n tweeter
- a Monacor SPH-100AL woofer

The loudspeaker has been developed by Thomas Schmidt.

The crossover consists of:
- a 2nd order high-pass filter (12 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 nearly linear.

The decay spectrum is nearly perfect.

At low volume, i.e. 85 dB at 1 m, the nonlinear distortions are below 0.8% above 400 Hz and doesn't exceed 3% at 95 dB at 1 m between 300 and 15000 Hz.

Our kit consists of

  • Monacor DT-25n: neodymium tweeter
  • Monacor SPH-100AL mids/woofer with Alcone
  • 0,5x PE sealing tape, 5x2 mm, 7.5 m
  • 0,5x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK31, gold plated (one pair, red and black)
  • 3m Speaker cable 2x1.5 mm2, transparent
  • Pan screws 3.5x17 black, 8 pieces
  • Plan for DIY kit

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

  • Audaphon MKP CAP Superior 4.7 μF / 400 Vdc
  • Audaphon MKT CAP 15 μF / 160 Vdc
  • 1.0 mm air core coil, 1.8 mH/0.7 Ohm
  • 0.7 mm air core coil, 0.47 mH/0.50 Ohm
  • Metal-oxide resistor, 10W 3.9 Ohm (orange-white-gold)
  • Metal-oxide resistor, 10W 10 Ohm (brown-black-black)
  • Metal-oxide resistor, 10W 12 Ohm (brown-red-black)

Kit without cabinet, price per speaker   EUR 161,00 excl. VAT: € 135.29 / $ 146.12

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 Monacor DT-25n are of type polypropylen (MKP) Clarity-Cap ESA 630 V.

Kit with high-end-crossover without cabinet, price per speaker   EUR 196,00 excl. VAT: € 164.71 / $ 177.88

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 9,90 excl. VAT: € 8.32 / $ 8.98

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 / $ 3.81
We recommend one board per kit (two boards for a speaker pair)


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