Scan Speak CT 304 floorstanding loudspeaker Kit with high-end crossover
Scan Speak CT 304 floorstanding loudspeaker Kit with high-end crossover

Scan Speak CT 304 floorstanding loudspeaker Kit with high-end crossover

Scan Speak CT 304 floorstanding loudspeaker Kit with high-end crossover

Kit with high-end crossover without housing price per speaker

The high-end kit is equipped with baked enamel coils in the important places to reduce the microphonic effect (the current through the coil generates a magnetic field, which in turn sets the winding in motion. 

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Scan Speak CT 304 floorstanding loudspeaker Kit with high-end crossover

Kit with high-end crossover without housing price per speaker

CT 304 is a two-way floorstanding loudspeaker. CT 304 is a bass reflex loudspeaker with chassis from Scan Speak and Visaton. The loudspeaker contains the following loudspeaker chassis: - a Scan Speak H2606-92000 tweeter - a Visaton W 130 S 8 Ohm mid-woofer - a Visaton W 130 S 8 Ohm woofer The loudspeaker was developed by Thomas Schmidt. The crossover consists of: - a 2nd order high pass (12 dB / octave) for the tweeter. - a 2nd order low pass (12 dB / octave) for the mid-woofer. - a 2nd order low pass (12 dB / octave) for the woofer. The frequency response of the loudspeaker is balanced. The decay spectrum is almost flawless. The nonlinear distortions at low volumes (85 dB, 1 m) are below 0.7% above 200 Hz and remain below 1% in the audible range even at higher levels (95 dB, 1 m).

The high-end kit is equipped with baked enamel coils in the important places to reduce the microphonic effect (the current through the coil generates a magnetic field, which in turn sets the winding in motion. This movement induces voltages in the coil, which are added to the useful signal. The tighter the winding of the coil, the less the useful signal is distorted.) The capacitor for the Scan Speak H2606-92000 - where quality is particularly important - is a Clarity Cap ESA MKP capacitor with 250 V.

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Technical data:

  • Impedance: 4 Ohm
  • Sound pressure level (2.83V/1m): 88 dB
  • Dimensions (HxWxD): 1000 x 180 x 258 mm
  • Frequency range (-8dB): 45 - 21000 Hz
  • Crossover frequency(s): 180, 1800 Hz
  • Principle: bass reflex box
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Highlights

  • ScanSpeak tweeter H2606-920000
  • 2x Visaton W130 S, 8 Ohm
  • Bass reflex tube HP70 XL, 70x220 mm, black
  • 2x Sonofil insulation material 100 x 35 cm for 20 liters
  • 0.5x N25 foam panels 100x50x4cm anthracite/black
  • Pole terminals PK31, one pair, gold-plated, red+black
  • 3m speaker cable 2x1.5 mm2, transparent
  • 0.5x pan screws 3.5x17 black, 8 pieces 1.5x
  • Visaton countersunk screws 3.5x25, 8 pieces
  • Construction plan for the kit the crossover components (right), to be assembled on a wooden board.
  • ClarityCap ESA capacitor 4.7uF / 250 Vdc
  • Audaphon MKP CAP Superior 1.0 μF / 400 Vdc
  • Audaphon MKT capacitor 15 μF / 160 Vdc
  • Audaphon MKT capacitor 33 μF / 160 Vdc
  • Elko rough, 220 μF/63 Vdc
  • Mundorf baked varnish air coil BL71, 0.39 mH/0.51 Ohm
  • Mundorf baked varnish air coil BL100, 1.0 mH/0.49 Ohm
  • Mundorf H-core baked varnish coil BH71, 10 mH/0.87 0hm
  • Mundorf H-core baked varnish coil BH100, 6.8 mH/0.46 0hm
  • Ceramic resistor 4.7 Ohm/20 Watt
  • Metal oxide resistor MOX10 2.2 Ohm (red-red-gold)
  • Metal oxide resistor MOX10 8.2 Ohm (grey-red-gold)
Scan Speak CT 304
2 Items

Scan-Speak was founded in 1970 by Ejvind Skaaning and is today a world leader in the development and manufacture of high-end transducers. Scan Speak chassis have been used for years by the largest hifi and high-end loudspeaker manufacturers worldwide, obtaining unsurpassed results.

Scan-Speak Discovery

The Discovery family is one of the largest lines in Scan-Speak’s families, and a lot of its drivers are best sellers in Nonsolospeakers shopThis line of products is so popular because it offers a wide variety of choices of sizes. The design is based on traditional electroacoustic knowledge and craftsmanship. The cones are made of a glass fibre material coated to achieve proper damping, and that ensures smooth sound pressure frequency response. In this family, the well-known design, namely the 3” dome midrange Scan-Speak D7608/920000, still goes strong in terms of quality and performance despite its many years on the market. Other popular products in this family are the Scan-Speak Discovery R2604/832000, the Scan-Speak Discovery D2606/922000, and the Scan-Speak Discovery D2604/833000.

Scan-Speak Illuminator

The Illuminator line features advanced technology, and incredible performance. Characterized by an extreme care in the realization of the coils which are equipped with a linear excursion. Combined with the care in the use of materials for the cones and diaphragms guarantee transparency, detail and, the lack of distortion even at the highest levels is difficult to find elsewhere. The most popular example of this family is the Scan-Speak 18WU/8741T00 illuminator.

Scan-Speak Revelator

Products in the Revelator family feature a slit-paper uncoated non-resonant cone that reproduces music at a dynamic level, and clarity was unparalleled in the market. The tweeters are predominantly designed with a large roll surround, a powerful ring of Neodymium magnets, and optimized airflow systems. Within the wide Revelator range, you will find everything you need when it comes to high-end audio transducers, whether you need drivers for a small 2-way system or a giant multi-way loudspeaker. The Scan-Speak 15W/4531G, for example, provides a more extended frequency response than its brothers but still fantastic bass in a vented enclosure.

Scan-Speak Classic 

The quality and success of Scan-Speak's designs are found in the Classic family with patented and proprietary technologies such as Symmetrical Drive, Low Loss Linear Suspension, Air-Dry Carbon Reinforced Paper Cones, and Paper Reinforced Nylon. The latest additions are Scan-Speak Classic D2904/980000 and Scan-Speak Classic D2008/851100.

Scan-Speak Ellipticor

One of the goals for a new driver concept at Scan-Speak was to minimize cone modes, and this family uses an innovative concept: an elliptical-shaped voice coils to control the cone and dome. By not driving the diaphragm asymmetrically, what you get is an “infinite” number of Eigen frequencies, but less contribution for each frequency and overall lower distortion. Driving the diaphragm symmetrically gets you a finite number of Eigen frequencies with a higher contribution combining at certain frequencies producing the “dreaded” colouration modes. From this concept, it was developed the Scan-Speak Ellipticor 18WE/4542T00.

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