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TD25F-4 1" Soft Dome Tweeter 4 Ohm
Quick Overview
Dayton Audio’s TD25F-4 1” soft dome tweeter is ideal for adding natural high frequency response to cost effective projects. Capable of handling a crossover frequency as low as 2,000 Hz (@ 12 dB/octave), the TD25F-4 makes a great choice for use in compact 2-way designs.Product Highlights
- 1” silk dome delivers high efficiency and smooth response
- Semi-horn loaded faceplate protects the dome while controlling off-axis response
- Low Fs for use with crossovers as low as 2,000 Hz (@12 dB/octave)
- Perfect choice for use in budget 2-way designs
Product Manuals / Spec Sheets / Downloads
Dayton Audio TD25F-4 Specification SheetDayton Audio TD25F-4 Data Files
Buying Options
With a 1” silk dome the TD25F-4 from Dayton Audio produces smooth and natural high frequency output. The semi-horn loaded faceplate helps to control the off-axis response while recessing the dome for extra protection. An Fs of 900 Hz makes this tweeter suitable for use with a crossover as low as 2,000 Hz for an easy transition to most 6-1/2” woofers. The TD25F-4 is an excellent choice for use in cost effective, but high performance, 2-way speaker systems.
| Speaker Series | |
| Model Number | TD25F-4 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 848791007903 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 1.15 |
| Speaker Type | Tweeter |
| Nominal Diameter | 1" |
| Power Handling (RMS) | 20 watts |
| Power Handling (max) | 40 watts |
| Continuous Program Power | -- |
| Impedance | 4 ohms |
| Sensitivity | 91 dB @ 2.83V/1m |
| Frequency Response | 2,000 - 20,000 Hz |
| Voice Coil Diameter | 25 mm |
| Magnet Weight | -- |
| DC Resistance (Re) | 3.5 ohms |
| Voice Coil Inductance (Le) | 0.04 mH @ 1 kHz |
| Resonant Frequency (Fs) | 900 Hz |
| Mechanical Q (Qms) | 2.22 |
| Electromagnetic Q (Qes) | 1.62 |
| Total Q (Qts) | 0.94 |
| Diaphragm Mass Inc. Airload (Mms) | --g |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | --mm/N |
| Surface Area Of Cone (Sd) | 7.5 cm² |
| Volume of Displacement (Vd) | --cm³ |
| BL Product (BL) | -- |
| Compliance Equivalent Volume (Vas) | -- |
| Maximum Linear Excursion (Xmax) | -- |
| Drivers Mechanical Losses (Rms) | -- |
| Cone / Diaphragm Material | -- |
| Entry / Exit Diameter | -- |
| Surround Material | -- |
| Voice Coil Wire Material | -- |
| Voice Coil Former | -- |
| Basket/Frame Material | -- |
| Magnet Material | Ferrite |
| Overall Outside Diameter | 3.68" |
| Overall Depth | 1.28" |
| Baffle Cutout Diameter | 2.72" |
| # Mounting Holes | 3 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |