1.5 Inch (40 mm) 8 Ohm, Titanium Dome Tweeter

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The DT-15B features a 1.5” titanium dome tweeter with an attached plastic diffuser to increase high frequency dispersion. An M4 tapped hole in the back of the neodymium magnet housing allows coaxial mounting to other speakers or from the rear in an enclosure. This model matches well with 5.25-8” woofers as either a coaxial addition or in a two-way system.

  • Titanium dome tweeter
  • 5” (40 mm) molded resin basket diameter
  • 15 watts, 8 ohm, 87 dB SPL
  • High energy neodymium magnet
  • M4 tapped hole for easy mounting

For this tweeter with a silk dome, see DT-15D.
For an added 5 ohm resistor and 3.3 uF capacitor, see DT-15A-5R-3.3UF.

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More Information
Brand Name MISCO OEM
Speaker Type Tweeter
Shape of Speaker Round
Size, Nominal (inch & mm) 1" (25 mm)
Environment Indoor
Application Auto / Motorcycle, Home Audio, Indoor, Voice Communications
RoHS Compliant Yes
Rated Impedance (Ω) 8
Rated Power IEC268-5 (W) 15 Watts
Program Power (W) 30
Sensitivity (dB SPL) ¹ 87
Frequency Range (Hz) 2,000 - 20,000
DC Resistance (Re) (Ω) 7.2
Resonant Frequency (Fs) (Hz) +/- 15% 1575
Nominal Impedance (Z) (Ω) 8
Mechanical Q Factor (Qms) 1.1
Electrical Q Factor (Qes) 2.71
Total Q Factor (Qts) 0.78
Basket Type Molded resin
Terminal Size (mm) 0.1 x 0.02
Voice Coil Diameter (mm) 20.3
Voice Coil Wire Material Copper
Voice Coil Former Material Aluminum
Magnet Material Neodymium
Magnet Weight (g) 6
Cone Body Material Titanium dome
Cone Surround Material Pre-treated black cloth
Net Weight (kg) 0.03
Technical Notes

¹ Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance