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SB Acoustics SB25STC-C000-4 Textile Dome Tweeter
- Optimized polymer face plate
- 25mm fabric dome
- copper pole shorting ring
- Pole piece diffuser with venting
- Gold plated terminals (wider terminal is positive)
- Frequency range 1500Hz to 23kHz
- Very good off axis response
- Large terminal is positive, small one is negative
Specifications:
| Nominal Impedance |
4 |
ohm |
| DC Resistance (Re) |
3.2 |
ohm |
| Voice Coil Inductance (Le) |
0.2 |
mH |
| Effective Piston Area (Sd) |
6.2 |
cm2 |
| Voice Coil Diameter |
25.42 |
mm |
| Voice Coil Height |
1.3 |
mm |
| Air Gap Height |
2.5 |
mm |
| Linear Coil Travel (p-p) |
1.2 |
mm |
| Maximum excursion (p-p) |
1.25 |
T |
| Magnet Weight |
0.22 |
kg |
| Net Weight |
0.5 |
kg |
| Free Air Resonance |
650 |
Hz |
| Sensitivity (2.83V/1m) |
91 |
dB |
| Mechanical Q-factor (Qms) |
1.7 |
|
| Electrical Q-factor (Qes) |
1.5 |
|
| Total Q-factor (Qts) |
0.8 |
|
| Moving Mass incl. air (Md) |
0.3 |
g |
| Force Factor (BL) |
1.7 |
Tm |
| Equivalent Volume (Vas) |
|
l |
| Compliance (Cms) |
|
um/N |
| Mechanical Loss (Rm) |
|
kg/s |
| Rated Power Handling |
120 |
Watt |
| Overall diameter |
100 |
mm |
| Cutout diameter |
82.8 |
mm |
| Flange thickness |
4 |
mm |
| Depth |
33.2 |
mm |
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Dimensions:Face plate diameter: 100mm
Cut out diameter: 70mm (notch for terminals)
Depth: 33.2mm
Flange thickness: 4mm
Screw position radius: 88.5mm
Screw hole: 4mm
See pdf file for curves and mechanical drawing.
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