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Scan-Speak
Scan-Speak - 1" Revelator Dome Tweeter - D2904/710003
Scan-Speak - 1" Revelator Dome Tweeter - D2904/710003
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$469.95 AUD
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Description
26mm Dome Tweeter 4ohm, Large Ring Neo, Black Faceplate
The Revelator Tweeters' large roll surround technology represents a breakthrough in overall performance, with outstanding off-axis response, high output capability and low resonance frequency. Additional enhancements have been made to reduce distortion and power compression, such as large neodymium magnet systems for high sensitivity, and a careful design to optimise airflow in the chambers.
Features
- 1" Coated Textile Diaphragm
- Large Roll Surround f. Wide Dispersion
- Patented Symmetrical Drive (SD-2) motor
- Large Ring Neo Magnet f. High Output
- Non Resonant Alu Rear Chamber
- Black Anodised Machined Alu Face Plate
Specifications
Specifications
General
| Driver type | Tweeter |
|---|---|
| Nominal size | 1" |
| Nominal impedance | 4Ω |
| Series | Revelator |
| Power handling (RMS) | 90 W |
| Power handling (program) | 150 W |
| Sensitivity | 94.4 dB |
| Frequency range | 2,500 – 25,000 Hz |
| Recommended crossover | 2. order HP Butterworth, 2.5 kHz |
Thiele/Small parameters
| Resonant frequency (Fs) | 520 Hz |
|---|---|
| DC resistance (Re) | 3 Ω |
| Minimum impedance (Zmin) | 3.7 Ω |
| Voice coil inductance (Le) | 0.01 mH |
| Mechanical Q (Qms) | 3.5 |
| Electrical Q (Qes) | 0.5 |
| Total Q (Qts) | 0.44 |
| Equivalent volume (Vas) | 0.02 L |
| Compliance (Cms) | 0.23 mm/N |
| Moving mass (Mms) | 0.4 g |
| Mechanical resistance (Rms) | 0.37 kg/s |
| Force factor (Bl) | 2.8 T·m |
| Effective piston area (Sd) | 7 cm² |
| Linear excursion (Xmax, one-way) | 0.25 mm |
| Mechanical excursion (Xmech) | 1.6 mm |
| Efficiency bandwidth product (EBP) | 1,040 |
| Effective piston diameter (D) | 30 mm |
| Impedance at resonance (Zo) | 24 Ω |
Motor
| Voice coil height | 2 mm |
|---|---|
| Air gap height | 2.5 mm |
| Voice coil layers | 2 |
Mounting
| Overall diameter | 104 mm |
|---|---|
| Mounting depth | 28.1 mm |
| Flange thickness | 5.9 mm |
| Bolt circle diameter | 92 mm |
| Mounting holes | 6 |
| Mounting hole diameter | 4.2 mm |
| Volume displaced by driver | 0.12 L |
| Voice coil diameter | 26 mm |
| Weight | 0.4 kg |
Materials
| Cone | Coated 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).
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