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Hertz Mille Pro MP 25.3 Dome Tweeter
Hertz Mille Pro MP 25.3 Dome Tweeter
Technical Highlights
- Power handling 120 W, impedance 4 Ohm, frequency response 1.4k-22.5k Hz.
- Neodymium magnet, 25mm voice coil, resonance frequency 1200Hz.
- Tetolon dome, SPL 91 dB, ferrofluid cooling for optimized performance.
- More technical details
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Mille Pro MP 25.3 by Hertz
The Mille Pro MP 25.3 is an outstanding dome tweeter from Hertz. With its innovative Tetolon dome and 25 mm voice coil, this tweeter delivers a wide, linear frequency response. The unique "Center Tuning Duct" and the powerful neodymium magnet ensure excellent air exchange between the dome and the loading chamber, resulting in optimal acoustics. The result is a very low resonance frequency, which significantly improves sound reproduction. Discover the technical details and special features of this tweeter below.
Technical Data
- Size mm 29
- Power Handling - Peak W 120
- Power Handling - Peak Note (High-pass filtered @ 2.5kHz - 12 dB/oct.)
- Impedance Ohm 4
- Voice Coil Ø 25 (1)
- Frequency Response Hz 1.4k - 22.5k
- Magnet Size W x D x H mm 24.5 x 6 x 3.5
- Weight kg 0.07
- Magnet Neodymium
Physical Specifications

- A 44 mm
- B 41 mm
- C 27 mm
- D 17 mm
Electro-Acoustic Specifications
- D mm 29
- Re Ohm 3.9
- Fs Hz 1200
- Le mH 0.02
- Vas I -
- Mms g 0.17
- Cms mm/N 0.1
- BL T*m 1.6
- Qts 0.55
- Qes 1.98
- Qms 0.57
- Spl dB 91
Frequency Response

FEATURES

- Soft dome made of Tetolon fiber for a natural yet detailed reproduction of musical nuances.
- "Center Tuning Duct" geometry for lower resonance frequency and reduced harmonic distortion.
- High-density neodymium magnet, optimized for maximum control during dynamic transients with high energy in the mid to high frequency range.
- 25 mm ferrofluid-cooled mobile voice coil.
- The rear chamber is filled with selected damping material and designed for lower Fs to ensure a well-damped roll-off of the high-pass frequency, allowing for a transition point with a low cutoff frequency.
- Front plate with FEM-optimized geometry (Finite Element Modeling) for high linearity in off-axis installations.
- Wide range of installation accessories for easy OEM integration.
Hertz Mille Pro MP 25.3 Datasheet
Frequently Asked Questions about Mille Pro MP 25.3
What frequency ranges does the Mille Pro MP 25.3 Tweeter cover?
What frequency ranges does the Mille Pro MP 25.3 Tweeter cover?
How does the Tetolon dome improve the sound performance of the Mille Pro MP 25.3?
How does the Tetolon dome improve the sound performance of the Mille Pro MP 25.3?
What role does the neodymium magnet play in the Mille Pro MP 25.3?
What role does the neodymium magnet play in the Mille Pro MP 25.3?
How does the 'Center Tuning Duct' affect the sound profile of the Mille Pro MP 25.3?
How does the 'Center Tuning Duct' affect the sound profile of the Mille Pro MP 25.3?
What is the significance of the 25 mm voice coil in the Mille Pro MP 25.3?
What is the significance of the 25 mm voice coil in the Mille Pro MP 25.3?
What is the maximum power the Mille Pro MP 25.3 Tweeter can handle?
What is the maximum power the Mille Pro MP 25.3 Tweeter can handle?
How is the Mille Pro MP 25.3 installed in a car?
How is the Mille Pro MP 25.3 installed in a car?
What technical specifications are related to the impedance of the Mille Pro MP 25.3?
What technical specifications are related to the impedance of the Mille Pro MP 25.3?
What is the role of the damping material in the rear chamber of the Mille Pro MP 25.3?
What is the role of the damping material in the rear chamber of the Mille Pro MP 25.3?
What Thiele-Small parameters does the Mille Pro MP 25.3 offer?
What Thiele-Small parameters does the Mille Pro MP 25.3 offer?
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Manufacturer information / responsible person
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