Cheap Trick CT 238 Shelf speaker with Tang Band W4-656 as in Klang+Ton 5/2008

CT 238 aus Zeitschrift K+T 5/2008
Technical data
- size (HxWxD): 26.6 x 16.6 x 21 cm
- impedance: 8 Ohm
- sensitivity (2.83V/1m): 83 dB
- crossover frequency: 4 kHz
- frequency range (-8dB): 50-22 000 Hz
- speaker type: bass reflex
Holger Barske and Christian Gather are the designers of this small shelf speaker, equipped with fabric tweeter Noferro 12 (19 TF) and Tang Band W4-656 bass driver.

Looking at the frequency response a slight presence is noticeable, favouring vocals of any kind.

Excerpt from the review in Klang+Ton 5/2008:
"I don't want to beat about the bush: this is a speaker for vocals. Sure, bass and tops are there, too, and in surprising quality. The Cheap Trick 238's forte is the reproduction of sounds generated by the human vocal cords. But that hardly affects the sound balance. The overall balance is rather well-rounded. The bass is sonorous and is sufficiently low, the tweeter occasionally sets some highlights and retreats again, adapting to the overall sound balance. After all, it's the much-loved singers who reveal the charm of this speaker, a charm that let's the CT 238 flourish and come to life. It's the ideal speaker to forget everything around you and simply listen to music. As expected, the maximum output is limited, but still reaches volumes beyond the generally accepted decibels and is in no way inferior to other small speakers. What's more, they cannot teach the CT 238 anything in sound balance and three-dimensionality and the 50 Euros of drivers stand up for themselves. Such an accentuated midrange, however, is not offered by anything but full range drivers. The CT 238 is the perfect speaker for background music, fits into the smallest gap and gobbles up any type of music. And everything is reproduced in such a heart-rending manner that you'll catch yourself listening again. - A miniature charmer at a Cheap Trick price."
 
Our kit consists of:

  • Seas Noferro 12
  • Tang Band W4-656
  • bass reflex tube HP 35 to be shortened to 8 cm
  • gold plated binding posts
  • 1/2 bag polyester fleece
  • 1.5 metre loudspeaker cable 2x 2.5 mm2
  • 7 Pan screws 3.5 x 17 mm
  • Klang+Ton building instruction
  • the crossover components to be mounted on wood:
      1.2 mH air core coil / 1.4 mm
      0.39 mH air core coil / 0.71 mm
      0.27 mH air core coil / 1 mm
      4.7 μF MKP capacitor/400 V
      1.5 μF MKP capacitor/400 V
      4.7 μF MKP capacitor/400 V
      1.8 Ohm MOX4 resistor (brown-grey-gold)

  •   4.7 Ohm MOX4 resistor (yellow-purple-gold)
      8.2 Ohm MOX4 resistor (grey-red-gold)

Price for CT 238 without cabinet per unit: - not available

If you prefer to mount the crossover components on a universal PCB instead on wood:
PCB 150x115 mm, Order No. I-8805017,     Price   EUR 4,70 excl. VAT: € 3.95 / $ 4.27

CT 238 with high-end crossover

Upon request, we also supply the CT 238 with the following high grade components including universal PCB.

The coil in the signal path to the bass driver is replaced a copper foil coil, all others are baked varnish coils.

A Mundorf Supreme CAP Silver Oil is used in the signal path to the tweeter.

Here are the components:


- PCB 150x115 mm
  1.2 mH cfc16 copper foil coil
  0.39 mH baked varnish coil / 0.71 mm
  0.27 mH baked varnish coil / 1 mm
  4.7 μF MKP capacitor/400 V
  1.5 μF MKP capacitor/400 V
  4.7 μF Mundorf MCAP Supreme Silver Oil capacitor
  1.8 Ohm MOX4 resistor (brown-grey-gold)
  4.7 Ohm MOX4 resistor (yellow-purple-gold)
  8.2 Ohm MOX4 resistor (grey-red-gold)

Price for CT 238 high-end without cabinet per unit: - not available

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