CT 296   Shelf speaker as in K+T 2/2018

Technical data
  • impedance: 6 Ohm
  • sensivity (2,83V/1m): 85 dB
  • size (HxWxD): 350 x 200 x 302 mm
  • frequency range (-8dB): 45 - 20000 Hz
  • crossover frequency(s): Hz
  • speaker type: bass reflex

CT 296 is a two way compact speaker.

CT 296 is a bass-reflex cabinet loudspeaker with drivers of Monacor .

The kit is delivered with the following drivers:
- a Monacor HT-22/8 tweeter
- a Monacor SP-13/4 woofer

The loudspeaker has been developed by Markus Hasse.

The crossover consists of:
- a 2nd order high-pass filter (12 dB per octave slope) for the tweeter.
- a 2nd order low-pass filter (12 dB per octave slope) for the woofer.

The frequency response of this speaker is nearly linear.

The decay spectrum (waterfall spectrum) shows a decelerated swing-out behaviour in the mid-range.

At low volume, i.e. 85 dB at 1 m, the nonlinear distortions are below 0.5% above 500 Hz and doesn't exceed 1.5% at 95 dB at 1 m between 500 and 15000 Hz.

An excerpt from the Klang+Ton review

Our kit consists of

  • Tweeter Monacor HT-22/8
  • Monacor SP-13/4 universal driver (Replacement for SPW-130/4)
  • Bass reflex tube BR50, 50x145 mm, black
  • 0,5x PE sealing tape, 5x2 mm, 7.5 m
  • 0,25x Damping Sonofil 100 x 35 cm for 20 litres
  • 0,25x Foam N25, 100x50x4 cm, black
  • Terminal T56/56DB for 2 connections
  • 1m Speaker cable 2x1.5 mm2, transparent
  • Pan screws 3.5x17 black, cross recess, 8 pieces
  • Plan for DIY kit

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

  • Audaphon MKT CAP 2.2 μF / 160 Vdc
  • Audaphon MKT CAP 3.3 μF / 160 Vdc
  • Audaphon MKT CAP 6.8 μF / 160 Vdc
  • electrolytic capacitor, etched, 560 μF/63 Vdc
  • electrolytic capacitor, etched, 680 μF/63 Vdc
  • 3x electrolytic capacitor, unetched, 10 μF / 70 Vdc
  • 1.0 mm air core coil, 0.22 mH/0.21 Ohm
  • 0.7 mm air core coil, 0.22 mH/0.39 Ohm
  • 0.7 mm air core coil, 0.82 mH/0.89 Ohm
  • Mundorf H core coil H71, 1.5 mH/0.31 0hm
  • Metal-oxide resistor, 5W 1.8 Ohm (brown-grey-gold)
  • 2x Metal-oxide resistor, 5W 15 Ohm (brown-green-black)

Kit without cabinet, price per speaker   EUR 117,00 excl. VAT: € 98.32 / $ 106.18

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 are of type polypropylen (MKP) Audaphon 400V or Mundoef electrolytic capacitors..

Kit with high-end-crossover without cabinet, price per speaker   EUR 132,00 excl. VAT: € 110.92 / $ 119.80

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 13,50 excl. VAT: € 11.34 / $ 12.25

universal PCB

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 / $ 4.27
We recommend one board per kit (2 boards per speaker pair)

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