ESB 3.UMA
2 199 SEK
Tweeters and UMA (Mid-High Unit)
3000 series tweeters use a silk-impregnated thin fabric dome diaphragm for a smooth sound, with an outer suspension covered with a high-loss damping material to eliminate edge vibration and resonance.
Two 28 and 25 mm voice coils for the two tweeters respectively. Both on aluminum support and very light copper-coated aluminum wire. The coils are ventilated and damped with iron-fluid oil.
Both use high-grade neodymium magnets such as N-42, optimized with computer simulations to get better efficiency and improve linearity.The special ventilation design, SVS (Surround Vented System) provides two benefits: optimal cooling of voice coil and avoiding compressing the air at the back of the dome.
Totally new, the 3.UMA. This special and exclusive component driver is a concept born way back in 70’s, its aim is to concentrate medium and tweeter emissions in a single virtual point. This minimizes phase delays and irregularities at the crossover point. The speaker is composed of the 1.1 "/ 28 mm tweeter and the 3.65 midrange, with different dust cover to have a midrange function (not widerange) and not interfere with the tweeter frequencies.
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Beskrivning
Art.nr: ESB 3.UMA
2-Way Mid-High Unit
2.5"/65 mm paper cone (Mid)
N42 neodymium magnet (Mid)
Fiberglass reinforced ABS basket
Silk-impregnated fabric dome (Tw)
N42 neodymium magnet (Tw)
28 mm Silk Dome (Tw)
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Nominal Impedance: 4 Ohm
Nom. Power: 60 (mid), 80 (tw) W
Trans. Power: 120 (mid), 160 (tw) W
Freq. Response: 100 Hz ~ 25 KHz
Sens.: 83 (mid), 89 (tw) dB 1W/1m
- This special and exclusive component driver is a concept conceived way back in 1970’s. Its aim is to concentrate medium and tweeter emissions in a single virtual point. This minimizes phase delays and irregularities at the crossover point.
- The neodymium magnet is high grade type to eliminate magnetic losses at elevated temperatures and to concentrate more force in less space.
- The tweeter has a silk-impregnated, thin fabric dome diaphragm for a smooth sound, with an outer suspension covered with a high-loss damping material to eliminate edge vibration and resonance.
- Pressed paper cone with waterproof treatment (midrange) for the ideal marriage between lightness, stiffness and the ability of the cone to dampen any unwanted vibration.
- The voice coil uses an aluminum support and a double layer winding technology of copper wire with an aluminum core.
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