Tigris   Floorstanding as in K+T 1/2017

Technical data
  • impedance: 8 Ohm
  • sensivity (2,83V/1m): 89 dB
  • size (HxWxD): 1200 x 250 x 300 mm
  • frequency range (-8dB): 30 - 28000 Hz
  • crossover frequency(s): 2000 Hz
  • speaker type: bass reflex

Tigris is a 2 way high-end floorstanding speaker. The kit provides an air motion tranformer (AMT) and two woofers of highest quality. The AMT is the very linear Air Motion Transformer Audaphon AMT-1i with very low distorsion. The woofers are Accuton C173-6-191E. This Accuton woofers you can find in a lot of high quality speakers in the five digit price range.

Tigris has been developed by Daniel Gattig and Dennis Frank.

The crossover consists of a 1st order high-pass filter (6 dB per octave slope) for the tweeter. An RCL circuit in parallel to the tweeter is smoothing the frequency response of the tweeter between 100 Hz and 2500 Hz. The woofers are connected to a 1st order low-pass filter (6 dB per octave slope). An RCL circuit in parallel to the woofers smoothing the membran resonances of the hard ceramic membran of the woofers.

Between 40 Hz and 21000 Hz, the frequency response of this loudspeaker is very linear on axis. The decay spectrum is nearly perfect. At low volume, i.e. 85 dB at 1 m, the nonlinear distortions are lower than 0.4% above 500 Hz and below 0.5% at 95 dB at 1 m .

Our kit consists of

  • 2x Accuton/Thiel C173-11-191 mids/woofer, one unit
  • Audaphon AMT-1i
  • 2x Bass reflex tube HP100, 100x200 mm, black
  • 3x Damping fleece MT Bondum 800 (30 x 50 x 2 cm)
  • 2x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK28 I Ni, nickel plated (one pair, red and black)
  • 4m Speaker cable 2x1.5 mm2, red-black, 1 m
  • 1,5x 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 μF / 400 Vdc
  • Audaphon MKP CAP Superior 8.2 μF / 400 Vdc
  • 2x Audaphon MKT CAP 4.7 μF / 160 Vdc
  • 1.3 mm air core coil, 1.8 mH/0.45 Ohm
  • 0.7 mm air core coil, 0.39 mH/0.49 Ohm
  • 0.7 mm air core coil, 1.8 mH/1.15 Ohm
  • Metal-oxide resistor, 10W 3.3 Ohm (orange-orange-gold)
  • Metal-oxide resistor, 10W 6.8 Ohm (blue-grey-gold)
  • Metal-oxide resistor, 10W 8.2 Ohm (grey-red-gold)
  • Metal-oxide resistor, 10W 15 Ohm (brown-green-black)

Kit without cabinet, price per speaker   EUR 1757,00 excl. VAT: € 1476.47 / $ 1579.82

Kit with high-end crossover

The high-end kit is delivered with copper foil and 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. All capacitors are of type polypropylen (MKP) and in series to the tweeter Clarity-Cap DTAC 630 V are employed.

Kit with high-end-crossover without cabinet, price per speaker   EUR 1883,00 excl. VAT: € 1582.35 / $ 1693.12

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 12,50 excl. VAT: € 10.50 / $ 11.24

universal PCBs

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 / $ 4.23
We recommend one board per kit (2 boards per speaker pair)


MDF Front for Kit Tigris,
price per unit   on request

Assembled MDF cabinet (without paint) for Kit Tigris,
price per unit   on request

Assembled cabinet with structure paint for Kit Tigris,
price per unit   - not available (_)

Measurements Tigris


Pictures Tigris


Blueprints Tigris


technical drawing Tigris


step by step instructions Tigris


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