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
  • electrolytic capacitor, etched
  • 2x 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.. str-RA140, price per unit:   EUR 4,20 excl. VAT: € 3.53 / $ 3.81
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
  • electrolytic capacitor, etched
  • 2x 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.. str-RA140, price per unit:   EUR 4,20 excl. VAT: € 3.53 / $ 3.81
We recommend two boards per kit (four boards for a speaker pair)


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