TN-B - Focal Polyglass Tweeters
- SKU #: 91028
- 20mm push-pull Neodymium magnet
- 20mm voice-coil with aluminum former
- Optional accessories for easy mounting
- Aluminum/Magnesium inverted dome
- Power Handling:
- 15W RMS
- 100W Max
- Sensitivity: 91dB
- Cone: Aluminum/Magnesium
- Nom impedance: 8-Ohm
- DC resistance: 6-Ohm
- VC diameter: 20.5mm / 4.5"
- VC height: 1.5mm / 1/16"
- Former: Aluminum
- Layers: 2
- Wire: Aluminum
- Inductance: 0.06mH
| Mounting Diameter | mm | 45 |
| Mounting Depth | mm | 17.3 |
| Voice Coil Diameter | in | 4.5 |
| Nominal Power (RMS) | W | 15 |
| Maximum Power | W | 100 |
| Nominal Impedance (Znom) | Ω | 8 |
| Frequency Response | Hz | --- |
| DC Resistance (Re) | Ω | 6 |
| Resonance Frequency (Fs) | Hz | 1280 |
| Equivalent Volume (Vas) | L | --- |
| Moving Mass (incl. Air Load) (Mms) | g | --- |
| Suspension Compliance (Cms) | E-04 m/N | --- |
| Force Factor (BL) | NA | --- |
| Mechanical Q Factor (Qms) | --- | |
| Electrical Q Factor (Qes) | --- | |
| Total Q Factor (Qts) | --- | |
| Sensitivity (2,83 V/1m) | dB | 91 |
| Net Weight (per Speaker/Component) | lbs | 0.18 |
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