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SCAN SPEAK R3004/662000 Illuminator Ring Radiator - Tweeter
1" Ring Dome Diaphragm
Patented Symmetrical Drive (SD-2) motor
Diffraction Damping Rubber Front
Patented Phase Plug Design
AirCirc Motor Design with 6 Neo magnets
Die Cast Rubber Painted Alu Face Plate
Scan-Speak Illuminator R3004/662000 1" Ring Radiator
The Illuminator tweeters continue with the heritage of the renowned Revelator D29. The large-roll surround and textile dome diaphragm provide a flat frequency response to above 30KHz with outstanding off-axis dispersion. The face plates are die cast in aluminum for a beautiful look with maximum mechanical stability.
The R3004 builds on the experience of the one-inch R29 ring radiator, resulting in low resonance frequency, superb vocal rendition and excellent imaging at all listening locations. Scan-speak’s unique AirCirc Magnet System -- named for the way it optimizes air flow within the chamber – rearranges the traditional magnet structure from a single magnet to an open magnetic circuit comprised of six separate neodymium slugs. This, in combination with the chamber, results in the elimination of the reflections and resonances that compromise the performance of traditional motors.
Specifications: Compliance Equivalent Volume (Vas): 0.0003 ft.³ • BL Product (BL): 2.3 Tm • Mechanical Compliance of Suspension (Cms): 0.31 mm/N • Diaphragm Mass Inc. Airload (Mms): 0.35 g • Maximum Linear Excursion (Xmax): 0.2 mm • Surface Area of Cone (Sd): 5.6 cm2
Tweeter Type: Ring Radiator
Tweeter Series: Illuminator Series
Cone / Dome Diameter: 25 mm | 1"
Power Handling (RMS): 90 Watts
Power Handling (max): 150 Watts
Impedance (Z): 4 Ω
Sensitivity (SPL at 1m / 2.83V): 90.4 dB
Resonant Frequency (Fs): 520 Hz
DC Resistance (Re): 3 ohms
Voice Coil Inductance (Le): 0.03 mH
Mechanical Q (Qms): 3.27
Electromagnetic Q (Qes): 0.56
Total Q (Qts): 0.48
