CT 263   Shelf speaker as in K+T 6/2012

Technical data
  • impedance: 8 Ohm
  • sensivity (2,83V/1m): 93 dB
  • size (HxWxD): 584 x 354 x 413 mm
  • frequency range (-8dB): 30 - 14000 Hz
  • crossover frequency(s): 3000 Hz
  • speaker type: bass reflex

An excerpt from the Klang+Ton review

Our kit consists of

  • Visaton TW 70, 8 Ohm
  • Visaton BG 20, 8 Ohm
  • Vifa compensation Magnet 90mm
  • Damping Sonofil for 20 litres, white
  • Bass reflex tube HP70, 68x160 mm, black
  • PE sealing tape, 5x2 mm
  • Binding Post PK31, gold plated (per pair, red and black)
  • 2m 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.
  • Mundorf, electrolytic capacitor, unetched, 22uF / 70 Vdc
  • Audaphon MKT CAP 4.7 uF / 160 Vdc
  • Audaphon MKT CAP 5.6 uF / 160 Vdc
  • Audaphon MKT CAP 8.2 uF / 160 Vdc
  • 0.7 mm air core coil, 0.56 mH/0.55 Ohm
  • 0.7 mm air core coil, 1.0 mH/1.02 Ohm
  • 1.0 mm air core coil, 1.5 mH/0.63 Ohm
  • Metal-oxide resistor, 10W 2.7 Ohm (red-purple-gold)
  • Metal-oxide resistor, 10W 12 Ohm (brown-red-black)
  • Metal-oxide resistor, 10W 15 Ohm (brown-green-black)

Information: Instead of the tube DN75, we deliver a bass reflex tube HP70.

Kit without cabinet, price per speaker   EUR 102,00 excl. VAT: € 85.71 / $ 96.86

If you prefer to mount the crossover components on a 240 x 165 mm universal PCB instead on wood:
Universal PCB RA240, order no.. I-2767, price per unit:   EUR 7,60 excl. VAT: € 6.39 / $ 7.22
We recommend one board per kit (two boards for a speaker pair)

Kit with high-end crossover

Kit with high-end-crossover without cabinet, price per speaker   EUR 116,00 excl. VAT: € 97.48 / $ 110.15

If you prefer to mount the crossover components on a 159 x 127 mm universal PCB instead on wood:
Universal PCB RA160, order no.. I-2766, price per unit:   EUR 5,10 excl. VAT: € 4.29 / $ 4.84
We recommend one board per kit (two boards for a speaker pair)

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 8,30 excl. VAT: € 6.97 / $ 7.88

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