Loki 1797   Shelf speaker as in K+T 3/2015

Technical data
  • impedance: 6 Ohm
  • sensivity (2,83V/1m): 77 dB
  • size (HxWxD): 372 x 140 x 220 mm
  • frequency range (-8dB): 50 - 30000 Hz
  • crossover frequency(s): 800 Hz
  • speaker type: bass reflex

Loki 1797 is a bookshelf speaker. It is developed by Blue Planet Acoustic as bass reflex system. Loki 1797 contains a Tang Band fullrange driver W3-1797 and two Tang Band woofers W3-1876S.

The crossover consists of a 3nd order high-pass filter (18 dB per octave slope) and a 3rd order low-pass filter.

Our kit consists of

  • Tang Band full range W3-1797
  • 2x Tang Band W3-1876S
  • 2x Bass reflex tube Streamline 30
  • 0,5x Damping Sonofil 100 x 35 cm for 20 litres
  • Terminal T82 AU, gold plated
  • 1,5m Speaker cable 2x1.5 mm2, transparent
  • Pan screws 3.5x17 black, cross recess, 12 pieces
  • Visaton Countersunk screws 3.5x25, 4 pcs
  • Plan for DIY kit

the crossover components (right),
to be mounted on a small wooden board.
  • Audaphon MKT
  • Mundorf, electrolytic capacitor, etched
  • 2x Mundorf, electrolytic capacitor, unetched
  • 2x 1.0 mm air core coil
  • 0.7 mm air core coil
  • Mundorf H core coil H100
  • 2x Metal-oxide resistor, 10W

Kit without cabinet, price per speaker   EUR 217,00 excl. VAT: € 182.35 / $ 211.53

Kit with high-end crossover

The high-end kit comes with high-value ClarityCap MKP foil capacitors. The inductances are baked varnished coils 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.

Kit without cabinet, price per speaker   EUR 282,00 excl. VAT: € 236.97 / $ 274.89

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.. I-2765, price per unit:   EUR 3,70 excl. VAT: € 3.11 / $ 3.61
We recommend two boards per kit (four boards for a speaker pair)

Loki 3.01 with full range BB 3.01

If you want the same speaker but instead of fullrange Tang Band W3-1797 a fullrange driver Omnes Audio BB 3.01, we recommend the following kit:

Our kit consists of

  • Omnes Audio, full range BB 3.01
  • 2x Tang Band W3-1876S
  • 2x Bass reflex tube Streamline 30
  • 0,5x Damping Sonofil 100 x 35 cm for 20 litres
  • Terminal T82 AU, gold plated
  • 1,5m Speaker cable 2x1.5 mm2, transparent
  • Pan screws 3.5x17 black, cross recess, 12 pieces
  • Visaton Countersunk screws 3.5x25, 4 pcs
  • Plan for DIY kit

the crossover components (right),
to be mounted on a small wooden board.
  • Audaphon MKT
  • Mundorf, electrolytic capacitor, etched
  • 2x Mundorf, electrolytic capacitor, unetched
  • 2x 1.0 mm air core coil
  • 0.7 mm air core coil
  • Mundorf H core coil H100
  • 2x Metal-oxide resistor, 10W

Kit without cabinet, price per speaker   - not available

Kit with high-end crossover

The high-end kit comes with high-value ClarityCap MKP foil capacitors. The inductances are baked varnished coils 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.

Kit without cabinet, price per speaker   - not available

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.. I-2765, price per unit:   EUR 3,70 excl. VAT: € 3.11 / $ 3.61
We recommend two boards per kit (four boards for a speaker pair)


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