Scan-Speak
Scan-Speak - 3/4" Classic Dome Tweeter - D2008/852100
Scan-Speak - 3/4" Classic Dome Tweeter - D2008/852100
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$124.95
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$124.95
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Description
20mm (3/4”) Dome Tweeter 8ohm, Neodymium Magnet
After almost 5 decades of service the highly praised D2008/851100 was upgraded to D2008/852100 with modern materials and to new manufacturing standards, still maintaining its excellent performance, such as wide dispersion, smooth frequency response and natural sound character.
Features
- 3/4" Textile Dome Diaphragm
- Wide Dispersion
- Dual Rear Chamber
- Vented Pole Piece
- Neodymium Magnet
Specifications
Specifications
General
| Driver type | Tweeter |
|---|---|
| Nominal size | 0.75" |
| Nominal impedance | 8Ω |
| Series | Classic |
| Power handling (RMS) | 90 W |
| Power handling (program) | 150 W |
| Sensitivity | 89 dB |
| Frequency range | 4,000 – 20,000 Hz |
| Recommended crossover | 2. order HP Butterworth, 4 kHz |
Thiele/Small parameters
| Resonant frequency (Fs) | 550 Hz |
|---|---|
| DC resistance (Re) | 5.9 Ω |
| Minimum impedance (Zmin) | 6.9 Ω |
| Voice coil inductance (Le) | 0.08 mH |
| Mechanical Q (Qms) | 1.61 |
| Electrical Q (Qes) | 0.71 |
| Total Q (Qts) | 0.49 |
| Equivalent volume (Vas) | 0.01 L |
| Compliance (Cms) | 0.42 mm/N |
| Moving mass (Mms) | 0.2 g |
| Mechanical resistance (Rms) | 0.43 kg/s |
| Force factor (Bl) | 2.4 T·m |
| Effective piston area (Sd) | 3.8 cm² |
| Linear excursion (Xmax, one-way) | 0.5 mm |
| Mechanical excursion (Xmech) | 1.2 mm |
| Efficiency bandwidth product (EBP) | 774.6 |
| Effective piston diameter (D) | 22 mm |
| Impedance at resonance (Zo) | 21.1 Ω |
Motor
| Voice coil height | 2.9 mm |
|---|---|
| Air gap height | 1.9 mm |
| Voice coil layers | 2 |
Mounting
| Overall diameter | 91.9 mm |
|---|---|
| Mounting depth | 35.3 mm |
| Flange thickness | 3.6 mm |
| Bolt circle diameter | 82 mm |
| Mounting holes | 4 |
| Mounting hole diameter | 4.2 mm |
| Volume displaced by driver | 0.13 L |
| Voice coil diameter | 19.4 mm |
| Weight | 0.23 kg |
Materials
| Cone | Textile |
|---|---|
| Magnet | Neodymium |
- Xmax is quoted one-way (peak), not peak-to-peak.
- Sensitivity measured at 2.83V/1m.
- Power handling (RMS) is Scan-Speak's 100-hour RMS noise test (IEC 18.4); program power is its long-term maximum power (IEC 18.2).
Where do these figures come from? See the source of each one
