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Scan-Speak
Scan-Speak - 1" Discovery Ring Radiator Tweeter - R2604/833000
Scan-Speak - 1" Discovery Ring Radiator Tweeter - R2604/833000
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$94.95 AUD
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Description
Dual concentric silk fabric diaphragm with wave guide centre plug Double chamber with damping for a low resonance rear cavity 550Hz Distortion reducing shorting ring and copper clad aluminium wire Phase plug also enables an extended upper frequency response 40KHz This is the Danish version of the popular and innovative Vifa unit. Made in Denmark, these units have also been improved upon. 5 Bolt poly-facia.
Features
- Extended Frequency To Above 40KHz
- Very Low Resonance Frequency - 450Hz
- Low Distortion
- High sensitivity - 92dB
- Dual Ring Radiator diaphragm (Patent)
- Wave-guide centre plug (Patent)
Specifications
Specifications
General
| Driver type | Tweeter |
|---|---|
| Nominal size | 1" |
| Nominal impedance | 4Ω |
| Series | Discovery |
| Power handling (RMS) | 100 W |
| Sensitivity | 92 dB |
| Frequency range | 2,500 – 30,000 Hz |
| Recommended crossover | 2. order HP Butterworth, 2.5 kHz |
Thiele/Small parameters
| Resonant frequency (Fs) | 440 Hz |
|---|---|
| DC resistance (Re) | 2.9 Ω |
| Minimum impedance (Zmin) | 3.6 Ω |
| Voice coil inductance (Le) | 0.02 mH |
| Mechanical Q (Qms) | 2.18 |
| Electrical Q (Qes) | 0.46 |
| Total Q (Qts) | 0.38 |
| Equivalent volume (Vas) | 0.02 L |
| Compliance (Cms) | 0.44 mm/N |
| Moving mass (Mms) | 0.3 g |
| Mechanical resistance (Rms) | 0.38 kg/s |
| Force factor (Bl) | 2.3 T·m |
| Effective piston area (Sd) | 5.4 cm² |
| Linear excursion (Xmax, one-way) | 0.2 mm |
| Mechanical excursion (Xmech) | 1.6 mm |
| Displacement volume (Vd) | 0.108 cm³ |
| Efficiency bandwidth product (EBP) | 956.5 |
| Effective piston diameter (D) | 26 mm |
| Impedance at resonance (Zo) | 16.8 Ω |
Motor
| Voice coil height | 2.2 mm |
|---|---|
| Air gap height | 2.5 mm |
| Voice coil layers | 2 |
Mounting
| Overall diameter | 104 mm |
|---|---|
| Mounting depth | 55 mm |
| Flange thickness | 5 mm |
| Bolt circle diameter | 92 mm |
| Mounting holes | 5 |
| Mounting hole diameter | 4.2 mm |
| Volume displaced by driver | 0.18 L |
| Voice coil diameter | 26 mm |
| Weight | 0.8 kg |
Materials
| Magnet | Ferrite |
|---|
- 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).
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