Triplett 2   Floorstanding as in Hobby Hifi 5/2021

Technical data
  • impedance: 3 Ohm
  • sensivity (2,83V/1m): 85 dB
  • size (HxWxD): 1050 x 250 x 356 mm
  • frequency range (-8dB): 27 - 23000 Hz
  • crossover frequency(s): 280, 5000 Hz
  • speaker type: bass reflex

Triplett 2 is a three way floorstanding speaker.

Triplett 2 is a bass-reflex cabinet loudspeaker with drivers of Omnes Audio .

The kit is delivered with the following drivers:
- a Omnes Audio AMT 50 air motion transformer (ribbon-tweeter)
- a Omnes Audio BB 3.5 mids driver
- a Omnes Audio W8-670Z woofer

The loudspeaker has been developed by Bernd Timmermanns.

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.
- 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 perfect.

At medium volume, i.e. 90 dB at 1 m, the nonlinear distortions are below 1% above 400 Hz.

Our kit consists of

  • Omnes Audio AMT 50
  • Omnes Audio, full range BB 3.5
  • Omnes Audio W8-670Z subwoofer
  • 0,5x PE sealing tape, 5x2 mm, 7.5 m
  • 2x 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, torx, 8 pieces
  • 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 2.7 μF / 400 Vdc
  • Audaphon MKP CAP Superior 4.7 μF / 400 Vdc
  • Audaphon MKP CAP Superior 5.6 μF / 400 Vdc
  • Mundorf, electrolytic capacitor, etched, 270 μF/63 Vdc
  • JB, electrolytic capacitor, bipolar, 220 μF/50 Vdc
  • JB, electrolytic capacitor, bipolar advanced, 68μF / 50 Vdc
  • 0.7 mm air core coil, 0.18 mH/0.36 Ohm
  • 0.7 mm air core coil, 0.47 mH/0.50 Ohm
  • Mundorf ferrite core coil P50 3.3 mH/1.71Ohm
  • Mundorf ferrite core coil P50 22 mH/6.69Ohm
  • Mundorf H core baked varnish coil BH100, 3.3 mH/0.26 0hm
  • Metal-oxide resistor, 5W 1.0 Ohm (brown-black-gold)
  • Metal-oxide resistor, 5W 2.7 Ohm (red-purple-gold)
  • Metal-oxide resistor, 5W 18 Ohm (brown-grey-black)

Kit without cabinet, price per speaker   EUR 228,00 excl. VAT: € 191.60 / $ 218.42

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 Omnes Audio AMT 50 are of type polypropylen (MKP) Mundorf MCAP EVO Öl.

  • Mundorf MCAP EVO Oil 2.7 μF / 450 V
  • Mundorf MCAP EVO Oil 5.6 μF / 450 V
  • Audaphon MKP CAP Superior 4.7 μF / 400 Vdc
  • Audaphon MKP CAP Superior 22 μF / 400 Vdc
  • Mundorf, electrolytic capacitor, etched, 270 μF/63 Vdc
  • JB, electrolytic capacitor, bipolar, 220 μF/50 Vdc
  • JB, electrolytic capacitor, bipolar advanced, 47μF / 100 Vdc
  • Mundorf baked varnish air core coil BL71, 0.18 mH/0.34 Ohm
  • Mundorf baked varnish air core coil BL71, 0.47 mH/0.57 Ohm
  • Mundorf bs140 core coil 3.3 mH/0.19Ohm
  • Mundorf ferrite core coil P50 3.3 mH/1.71Ohm
  • Mundorf ferrite core coil P50 22 mH/6.69Ohm
  • Metal-oxide resistor, 5W 1.0 Ohm (brown-black-gold)
  • Metal-oxide resistor, 5W 2.7 Ohm (red-purple-gold)
  • Metal-oxide resistor, 5W 18 Ohm (brown-grey-black)

Kit with high-end-crossover without cabinet, price per speaker   EUR 289,00 excl. VAT: € 242.86 / $ 276.86

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 22 μF / 160 Vdc
  • 0.7 mm air core coil, 0.10 mH/0.27 Ohm
  • ceramic resistor 8.2 Ohm/20 Watt

Price per impedance correction for one speaker, to be mounted on a small wooden board.     EUR 12,20 excl. VAT: € 10.25 / $ 11.69

universal PCB

If you prefer to mount the crossover components on a 159 x 127 mm universal PCB instead on wood:
Universal PCB RA160, order no.. str-RA160, price per unit:   EUR 5,90 excl. VAT: € 4.96 / $ 5.65
We recommend one board per kit (two boards for a speaker pair)


Home   Hobby HiFi Overview