CT 326   Shelf speaker as in K+T 5/2023

Technical data
  • impedance: 8 Ohm
  • sensivity (2,83V/1m): 84 dB
  • size (HxWxD): 300 x 190 x 190 mm
  • frequency range (-8dB): 80 - 21000 Hz
  • crossover frequency(s): Hz
  • speaker type: bass reflex

CT 326 is a compact loudspeaker with a full range driver.

CT 326 is a bass-reflex cabinet loudspeaker with drivers of Visaton .

The kit is delivered with a Visaton DL 10 ES 8 Ohm full range driver

The loudspeaker has been developed by Thomas Schmidt.

The crossover consists of:
- a blocking circuit in series with the full range driver.

The frequency response of this speaker is mostly linear.

The decay spectrum is nearly perfect.

An excerpt from the Klang+Ton review (Translation of the author into English)

Conclusion of the magazine Klang+Ton:

Our kit consists of

  • Visaton DL 10 ES, 8 Ohm
  • Bass reflex tube HP35, 35x123mm, black
  • 0,5x PE sealing tape, 5x2 mm, 7.5 m
  • 0,5x Damping Sonofil 100 x 35 cm for 20 litres
  • Binding Post PK31, gold plated (one pair, red and black)
  • 1m Speaker cable 2x1.5 mm2, transparent
  • Plan for DIY kit

the crossover components (right),
to be mounted on a small wooden board.

  • Audaphon MKP CAP Superior 8.2 μF / 400 Vdc
  • 1.0 mm air core coil, 0.68 mH/0.39 Ohm
  • Metal-oxide resistor, 10W 10 Ohm (brown-black-black)

Kit without cabinet, price per speaker   EUR 102,00 excl. VAT: € 85.71 / $ 92.57

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 Visaton DL 10 ES 8 Ohm are of type polypropylen (MKP) Clarity-Cap ESA 250 V.

  • ClarityCap ESA capacitor 8.2 μF / 250 Vdc
  • Mundorf baked varnish air core coil BL100, 0.68 mH/0.39 Ohm
  • Metal-oxide resistor, 10W 10 Ohm (brown-black-black)

Kit with high-end-crossover without cabinet, price per speaker   EUR 123,00 excl. VAT: € 103.36 / $ 111.63

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 one board per kit (two boards for a speaker pair)


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