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  5. Mille Pro MP 70.3

Mille Pro MP 70.3

13 reviews

50 Watt

Mille Pro MP 70.3

13 reviews

Technical Highlights

  • 20 mm coil, 4 ohm impedance, frequency response 180-18k Hz.
  • Neodymium magnet, V-cone® profile, boundary free surround.
  • Exponential V-diaphragm, high linearity, wide frequency response.
  • More technical details
€97.20
-30% €139.00 €97.20
2% discount with credit card
including VAT
Estimated delivery: Sep 15–Sep 18.
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datasheet
Hertz-Mille Pro MP 70.3-3" (8cm) Mitteltöner-masori-kaufen
€97.20
€139.00 €97.20

Hertz Mille Pro MP 70.3 is a 3-inch (8 cm) midrange speaker with a size of 70 mm and an impedance of 4 Ohms. The design features a symmetrical dual neodymium magnet structure and a 20 mm CCAW dual-layer voice coil on a polyamide former with 8 decompression holes. The V-cone profile with an exponential V-membrane made of pressed cellulose with cotton fibers is geometrically optimized. Boundary Free Surround is integrated. The frequency response ranges from 180–18,000 Hz, sensitivity is 88 dB, Fs is 110 Hz, BL is 2.8 T*m, Le is 0.12 mH, and Re is 3.7 Ohms. The acoustically transparent basket is made of aluminum alloy with a diamond cut and an aluminum Hertz logo, a vibration-damping rubber magnet cover is removable, and a full-protection metal grille with a mineral powder-coated inner grill is included. Peak power handling is 100 W. Weight is 0.17 kg.

Features
  • 3-inch midrange speaker (8 cm)
  • Symmetrical dual neodymium magnet structure (FEM-developed)
  • 20 mm CCAW dual-layer voice coil on polyamide former with 8 decompression holes
  • Exponential V-membrane profile/V-cone made of pressed cellulose with cotton fibers
  • Boundary Free Surround
  • Acoustically transparent basket made of aluminum alloy with diamond cut and aluminum Hertz logo
  • Vibration-damping rubber magnet cover, removable
  • Full-protection metal grille with aluminum Hertz logo, mineral powder-coated inner grill
  • Neodymium magnet
  • Weight 0.17 kg
Technical Specifications
  • Size: 70 mm
  • Impedance: 4 Ohms
  • Frequency response: 180–18,000 Hz
  • Sensitivity: 88 dB
  • Peak power handling: 100 W
  • Power handling note: High-pass filter @ 250 Hz – 12 dB/Oct.
  • Voice coil diameter: 20 mm
  • Re: 3.7 Ohms
  • Fs: 110 Hz
  • Le: 0.12 mH
  • BL: 2.8 T*m
  • Mms: 2.9 g
  • Cms: 0.7 mm/N
  • Qts: 0.82
  • Qes: 1
  • Qms: 4.6
  • Magnet size (W x T x H): 19.7 x 0 x 2 mm
  • Vas: 1
  • Physical dimensions: A 87.8 mm; B 73 mm; C 50 mm; D 44 mm; E 93 mm; F 17 mm
  • D: 65 mm
  • Membrane: Pressed cellulose cone with cotton fibers

Frequently Asked Questions about Mille Pro MP 70.3

What are the main technical features of the Mille Pro MP 70.3 speaker?

The Mille Pro MP 70.3 from Hertz is a 3" midrange driver equipped with a dual neodymium magnet structure. This allows for superior dynamics. It features a 20 mm CCAW dual-layer voice coil on a polyamide carrier, ensuring high load capacity. The V-cone® profile provides improved lateral radiation behavior, while the Boundary Free Surround offers extended bass midrange frequency. Its exponential V-cone made of pressed cellulose combines stiffness and lightweight construction, ensuring a wide frequency response and maximum linearity.

What does the frequency response of the Hertz Mille Pro MP 70.3 look like?

The frequency response of the Mille Pro MP 70.3 ranges from 180 Hz to 18 kHz. This wide spectrum allows it to reproduce midrange and high frequencies accurately. The exponential V-cone profile is particularly responsible for this linearity in the frequency response, while the V-cone® profile optimizes the radiation behavior. The rubber surround with 'Boundary Free' technology also supports efficiency across these frequency ranges. This combination of technologies ensures that the speaker reproduces every nuance of the music accurately.

What is the significance of the V-cone® profile in the Mille Pro MP 70.3 speaker?

The V-cone® profile from Hertz is a vital technological innovation of the Mille Pro MP 70.3 midrange driver. It consists of a membrane made of pressed cellulose, reinforced with cotton fibers, which guarantees both stiffness and lightness. This construction allows for an extended frequency response and contributes to excellent linearity. The structured shape of the membrane optimizes the radiation behavior in the mid to high frequency range, ensuring remarkable sound detail fidelity, ideal for demanding musical performances.

What advantages does the dual neodymium magnet structure offer in the Mille Pro MP 70.3?

The dual neodymium magnet structure of the Mille Pro MP 70.3 offers numerous advantages, including stronger magnetic force compared to conventional magnetic materials. Developed with FEM simulations, it ensures outstanding dynamics and precise control. This technology enhances the performance of the speaker by increasing accuracy and efficiency, especially at higher volumes, without distortion. The result is a midrange driver that creates excellent acoustic experiences despite its compact size, even in demanding audio environments.

How does the voice coil of the Mille Pro MP 70.3 affect sound quality?

The 20 mm CCAW dual-layer voice coil of the Mille Pro MP 70.3 from Hertz is mounted on a polyamide carrier, which significantly influences sound quality. This construction allows for exceptional thermal resilience while greatly reducing compression effects. The voice coil offers high efficiency in converting electrical signals into acoustic output, ensuring that even the finest musical details are preserved. The 8 decompression holes in the polyamide carrier also help reduce mechanical resonances, resulting in a clean, clear sound image.

How easy is it to install the Mille Pro MP 70.3 in various audio systems?

The installation of the Mille Pro MP 70.3 is relatively straightforward due to its compact design. With a diameter of 70 mm and a total weight of only 0.17 kg, it fits easily into various audio systems. The removable rubber magnet cover minimizes installation depth, which is advantageous when space is limited. Additionally, extensive mounting options are possible with the included protective grille. The physical dimensions A 87.8 mm, B 73 mm, C 50 mm, and D 44 mm provide flexibility in positioning across different vehicle types, making installation easier in both cars and home theater systems.

What role does the acoustically transparent aluminum basket of the Mille Pro MP 70.3 play?

The acoustically transparent aluminum alloy basket of the Mille Pro MP 70.3 has several significances. This design allows for unrestricted sound propagation and reduces enclosure interference. The aluminum basket is also robust and lightweight, enhancing the structural integrity of the speaker and minimizing vibrations. The elegant diamond cut and the embedded Hertz logo provide an aesthetically pleasing appearance, emphasizing the high-quality nature of the product. An additional advantage is protection against dust and mechanical damage.

How does the V-cone® profile affect the radiation behavior of the Mille Pro MP 70.3?

The V-cone® profile of the Mille Pro MP 70.3 speaker significantly contributes to improving the radiation behavior. It optimizes sound distribution, allowing frequencies to be heard more evenly and clearly over a wider angle. This is particularly important in an environment where listeners are not positioned directly in the center of the sound field. The structure of the V-cone® profile works in conjunction with the 'Boundary Free' surround to enhance tonal consistency and precision, creating an immersive listening experience that meets even the most demanding audiophile requirements.

What specific materials are used for the diaphragm of the Mille Pro MP 70.3 and why?

The diaphragm of the Mille Pro MP 70.3 is made from pressed pulp reinforced with cotton fibers. This material choice offers an excellent balance between stiffness and lightness, which in turn enables optimal frequency response and high sound linearity. Cotton fibers increase structural strength, while the pulp maintains a certain flexibility necessary for dynamic sound reproduction. This combination allows the diaphragm to respond precisely to different frequency ranges, significantly improving overall sound quality and making the speaker ideal for highly detailed musical playback.

What accents does the Mille Pro MP 70.3 speaker set in terms of design and functionality?

The Mille Pro MP 70.3 from Hertz combines functionality with an appealing design. The speaker features a basket made of aluminum alloy with a diamond cut, enhancing both technical performance and aesthetic appeal. The recessed Hertz logo made of aluminum complements the striking appearance of the speaker. Functionally, the removable metal grille provides protection and versatile installation options, while the rubber magnet cover minimizes disruptive vibrations. This speaker unites technical excellence with high-quality design, ideal for demanding audio applications, whether at home or in the vehicle.

Manufacturer information/responsible person

Elettromedia SpA
62018 Potenza Picena (MC)
Strada Regina km 3,500
Italy

Contact person:
Simone Iampieri
Executive Director Assistant
T +39 0733 870 813
Elettromedia SpA
62018 Potenza Picena (MC) Italy
Strada Regina km 3,500
T + 39 0733 870 870

Contact: simone.iampieri@elettromedia.it

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