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 Sheet

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
List Price $24
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


000 - 20

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) 4.99
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"