Scan Speak Illuminata 18 R2604-833000 floorstanding loudspeaker Kit with high-end crossover

Name: Scan Speak Illuminata 18 R2604-833000 floorstanding loudspeaker Kit with high-end crossover
Brand: Scan Speak
SKU: Illuminata 18 R2604-833000
Price: 1058 EUR
Availability: InStock

Scan Speak Illuminata 18 R2604-833000 floorstanding loudspeaker Kit with high-end crossover

Kit with high-end crossover without housing price per speaker

The high-end kit contains three Mundorf EVO silver-gold oil capacitors in series with the tweeter. Most of the coils are designed as baked varnish air coils.

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Scan Speak Illuminata 18 R2604-833000 floorstanding loudspeaker Kit with high-end crossover

Kit with high-end crossover without housing price per speaker

Illuminata 18BE/RD is a compact, very broadband high-end floor-standing loudspeaker that contains a Scan-Speak woofer 18WU8741T00. We offer the kit in three different versions, which the magazine Hobby HiFi has developed. The versions differ in the tweeter, which you can choose from below: the excellent beryllium tweeter Scan-Speak D3004/664000, the ring radiator from the Illuminator series Scan-Speak R3004/662000 or the inexpensive ring radiator from the Discovery series Scan-Speak R2604/833000 The loudspeaker was developed by Bernd Timmermanns. The loudspeaker is designed with a closed housing and high-pass capacitor (GHP). The crossover consists of a 3rd order high-pass filter (18 dB/octave) for the tweeter dome or the ring radiator. A 2nd order low pass drives the woofer/midrange speaker. Two suction circuits smooth out the frequency response of the woofer/midrange speaker. A capacitor is also connected in series with the woofer. The frequency response of the loudspeaker is perfectly linear on axis between 50 Hz and 40,000 Hz. The decay spectrum is free of any interference. The non-linear distortions at medium volumes (90 dB, 1m) are usually less than 1% above 200 Hz.

The high-end kit contains three Mundorf EVO silver-gold oil capacitors in series with the tweeter. Most of the coils are designed as baked varnish air coils. A Mundorf CFC foil coil is used in series with the woofer; both 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.)

Technical data:

Impedance: 6 Ohm
Sound pressure level (2.83V/1m): 82 dB
Dimensions (HxWxD): 750 x 200 x 280 mm
Frequency range (-8dB): 35 - 40000 Hz
Crossover frequency(s): 2000 Hz
Principle: closed box

Highlights

ScanSpeak ring radiator R2604/833000
ScanSpeak midrange speaker 18WU8741T00, 8 Ohm
Insulating fleece MT Bondum 800 (30 x 50 x 2 cm)
0.5x PE foam sealing strip, 5x2 mm, roll 7.5 m
Insulating material Sonofil 100 x 35 cm for 20 liters
Pole terminals PK31, one pair, gold-plated, red+black
3m speaker cable 2x2.5 mm2, transparent
1.5x Pan screws 4x20 black, Phillips, 8 pieces
Construction plan for the kit the crossover components (right), to be assembled on a wooden board.
Mundorf MCAP EVO oil 68 μF / 350 V
Mundorf MCAP EVO silver gold oil 0.33 μF / 450 V
Mundorf MCAP EVO silver gold oil 4.7 μF / 450 V
Mundorf MCAP EVO silver gold oil 15 μF / 450 V
ClarityCap PWA capacitor 100 μF / 160 Vdc
Audaphon MKP CAP Superior 15 μF / 400 Vdc
Elko smooth, 33uF / 70 Vdc
Elko smooth, 47uF / 50 Vdc
Elko smooth, 68uF / 50 Vdc
2x Elko smooth, 100uF / 50 Vdc
Mundorf foil coil CFC14-2.2mH/0.41Ohm
Mundorf baked varnish air coil BL71, 0.39 mH/0.51 Ohm
Mundorf baked varnish air coil BL71, 1.5 mH/1.13 Ohm
Mundorf baked varnish air coil BL71, 22 mH/5.66 Ohm
Metal oxide resistor MOX10 4.7 Ohm (yellow-violet-gold)
Metal oxide resistor MOX10 10 Ohm (brown-black-black)
Metal oxide resistor MOX10 12 Ohm (brown-red-black)
Metal oxide resistor MOX5 3.9 Ohm (orange-white-gold)

Reference Illuminata 18 R2604-833000

In stock 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 shop. This 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.