Scan-Speak Illuminator 12MU/4731T00 4" Woofer
Scan-Speak Illuminator 12MU/4731T00 4" Woofer
Scan-Speak Illuminator 12MU/4731T00 4" Woofer
1Scan-Speak Illuminator 12MU/4731T00 4" Woofer
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Scan-Speak Illuminator 12MU/4731T00 4" Woofer
Scan-Speak Illuminator 12MU/4731T00 4" Woofer
Scan-Speak Illuminator 12MU/4731T00 4" Woofer
1Scan-Speak Illuminator 12MU/4731T00 4" Woofer

Scan-Speak Illuminator 12MU/4731T00 4" Woofer

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€253.82 €261.67 -3%
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Scan-Speak Illuminator 12MU/4731T00 4" Woofer

The Illuminator woofers are based on compact under-hung motor systems with large neodymium ring magnets.

The minimum purchase order quantity for the product is 2.

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Scan-Speak Illuminator 12MU/4731T00 4" Woofer

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Product description

Neodymium magnet

Under hung motor system

One piece cone and dust cap, full cone technology

Very Wide Frequency Response 100-10KHz

Patented Symmetrical Drive (SD-3)

Low-loss Linear Suspension

Foam surround

High Output 90dB @ 2,83V

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Product details

Scan-Speak Illuminator 12MU/4731T00 4" Woofer

The Illuminator woofers are based on compact under-hung motor systems with large neodymium ring magnets. The patent pending motor offers a very long linear excursion together with a very high force factor. The top plate is shaped to “guide” the backside airflow around the motor and with the very open cast aluminum chassis design the driver is virtually free from compression.

The under-hung voice coil is precision wound with CCAW ribbon wire on a titanium bobbin for a low loss yet high power handling design. The vented pole piece has contoured openings to eliminate any hint of turbulence noise. The uniquely shaped top plate and open air frame ensure there is virtually no dynamic compression caused by restriction of the diaphragm back wave.

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Specifications

Article number12MU/4731T00
Woofer SeriesIlluminator Series
Woofer TypeMidwoofer
Nominal Diameter4"
Power Handling (RMS)80 Watts
Power Handling (max)150 Watts
Impedance (Z)4 ohms
Sensitivity (SPL at 1m / 2.83V)90 dB
Voice Coil Diameter1.25"
DC Resistance (Re)3.1 ohms
Voice Coil Inductance (Le)0.11 mH
Resonant Frequency (Fs)64 Hz
Mechanical Q (Qms)3.64
Electromagnetic Q (Qes)0.26
Total Q (Qts)0.24
Diaphragm Mass Inc. Airload (Mms)5.4g
Mechanical Compliance of Suspension (Cms)1.15 mm/N
Surface Area of Cone (Sd)58 cm2
BL Product (BL)5.1 Tm
Compliance Equivalent Volume (Vas)0.19 ft.³
Maximum Linear Excursion (Xmax)3.5 mm

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12MU-4731T00%20Dimensions.jpg

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12MU-4731T00%20Frequency%20Response.jpg

12MU/4731T00
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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