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TD20F-4 3/4" Soft Dome Neodymium Tweeter 4 Ohm
Quick Overview
The Dayton Audio TD20F-4 uses a 3/4" silk dome to produce smooth response with excellent dispersion. At only 2-1/2" diameter and just over 1/2" deep, this tweeter is ideal for use in any compact design.Product Highlights
- 3/4" Silk dome provides articulate yet non-fatiguing high frequency reproduction
- Exceptionally flat and smooth frequency response
- Ferrofluid for improved power handling and damping
- Neodymium magnet low-distortion motor system
Product Manuals / Spec Sheets / Downloads
Dayton Audio TD20F-4 Specification SheetBuying Options
Dayton Audios TD20F-4 3/4" silk dome tweeter incorporates an optimized diaphragm that combines low mass, superb damping, and a carefully calculated dome profile offering an exceptionally flat frequency response. This along with the low distortion neodymium motor system ensure that high frequency content is reproduced as transparently as possible.
| Model Number | TD20F-4 |
| Color | Black |
| Unit of Measure | Each |
| UPC | 848791004636 |
| Warranty - Parts | 5 Years |
| Warranty - Labor | 5 Years |
| Product Shipping Weight (lbs.) | 0.19 |
| Speaker Type | Tweeter |
| Nominal Diameter | .75" |
| Power Handling (RMS) | 20 watts |
| Power Handling (max) | 40 watts max (with appropriate crossover) |
| Continuous Program Power | -- |
| Impedance | 4 ohms |
| Sensitivity | 90.0 dB @ 2.83V/1m |
| Frequency Response | 3,000 - 20,000 Hz |
| Voice Coil Diameter | .75" |
| Magnet Weight | -- |
| DC Resistance (Re) | 3.4 ohms |
| Voice Coil Inductance (Le) | 0.03 mH @ 10kHz |
| Resonant Frequency (Fs) | 1696 Hz |
| Mechanical Q (Qms) | 1.9 |
| Electromagnetic Q (Qes) | |
| Total Q (Qts) | 1.38 |
| Diaphragm Mass Inc. Airload (Mms) | -- |
| Moving Mass Of Diaphragm (Mmd) | -- |
| Mechanical Compliance of Suspension (Cms) | -- |
| Surface Area Of Cone (Sd) | 31.4 cm² |
| Volume of Displacement (Vd) | -- |
| BL Product (BL) | -- |
| Compliance Equivalent Volume (Vas) | -- |
| Maximum Linear Excursion (Xmax) | -- |
| Drivers Mechanical Losses (Rms) | -- |
| Cone / Diaphragm Material | Soft Dome |
| Entry / Exit Diameter | -- |
| Surround Material | -- |
| Voice Coil Wire Material | CCAW |
| Voice Coil Former | Aluminum |
| Basket/Frame Material | Plastic |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 2.56" |
| Overall Depth | 0.59" |
| Baffle Cutout Diameter | 1.50" |
| # Mounting Holes | 4 |
| Mounting Hole Diameter | -- |
| Bolt Circle Diameter | -- |
| Product Weight | -- |
| Cone / Dome Diameter | 3/4" |