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Visaton Speaker Driver - DSM 25 FFL - 8 Ohm High-End Tweeter
Art. No. 1153
Characteristics and Sound Properties
25 mm (1") High-End titanium dome driver for the highrange
above 2000 Hz. Due to the enormously strong and ultra-light titanium dome and in conjunction with a highly damped sypronyle
surround, linear frequency response and no partial oscillations. Due to the enormously high magnetic flux in the ferrofluid
filled air-gap high efficiency and high power handling are possible.
Technical Specifications
| Nominal power handling with high pass | 80 W (12 dB/Oct.; 2000 Hz) |
| Peak power handling with high pass | 140 W (12 dB/Oct.; 2000 Hz) |
| Nominal impedance Z | 8 Ohm |
| Frequency response | 900-30000 Hz |
| Mean sound pressure level | 90 dB (1 W/1 m) |
| Dispersion angle (-6 dB) | 138°/8000 Hz |
| Resonance frequency fs | 1450 Hz |
| Magnetic induction | 1.7 T |
| Magnetic flux | 425 uWb |
| Height of front pole-plate | 2.5 mm |
| Voice coil diameter | 25 mm |
| Height of winding | 2 mm |
| Cutout diameter | 80 mm |
| Net weight | 0.53 kg |
| DC resistance Rdc | 6.1 Ohm |
| Mechanical Q factor Qms | 1.83 |
| Electrical Q factor Qes | 1.87 |
| Total Q factor Qts | 0.92 |
| Effective piston area Sd | 4.9 cm2 |
| Connections | 4.8 x 0.8 mm (+) 2.8 x 0.8 mm (-) |
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