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  5. HMX 8.8 S-LD-SW.2

HMX 8.8 S-LD-SW.2

100 Watt

HMX 8.8 S-LD-SW.2

Technical Highlights

  • Continuous power handling: 100 W RMS, Impedance: 4 Ohm, Frequency: 45-25 kHz.
  • Peak power handling: 200 W Peak, Tweeter: 36 mm, Resonance: 50 Hz.
  • Voice coil: 32 mm, Magnet material: Ferrite & Neodymium, Spl: 91 dB.
  • More technical details
€409.00
€409.00 €409.00
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ProductHMX 8.8 S-LD-SW.2

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Estimated delivery: Sep 17–Sep 23.
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datasheet
The Hertz HMX 8.8 S-LD-SW.2 is a round 2-way coaxial speaker with a white star-shaped grille, central mesh, silver frame, and black mounting base.
€409.00
€409.00 €409.00

The HMX 8.8 S-LD-SW.2 from Hertz is an 8" (20 cm) coaxial speaker that impresses with its technical specifications. As a 2-way coaxial system, it offers a continuous power handling of 100 W RMS and a peak power handling of 200 W. With an impedance of 4 Ohm, it covers a frequency range of 45 – 25,000 Hz. The speaker features high-quality materials such as ferrite for the mid-bass and neodymium for the tweeter. The polypropylene diaphragm is equipped with UV inhibitors, making it particularly durable. Other features include an effective diaphragm diameter of 174 mm and a reference sound pressure level of 91 dB. Weighing 1.66 kg per speaker, this model is a thoughtful choice for sound enthusiasts.

Technical specifications

  • Model type: 2-way coaxial system
  • Chassis size: 8.8 inches
  • Continuous power handling: 100 W RMS
  • Peak power handling: 200 W Peak
  • Impedance: 4 Ohm
  • Frequency range: 45 – 25,000 Hz
  • Tweeter diameter: 36 mm
  • Mid-bass voice coil diameter: 32 mm
  • Tweeter voice coil diameter: 20 mm
  • Mid-bass magnet material: Ferrite (High-Density)
  • Tweeter magnet material: Neodymium
  • Mid-bass magnet size: 90 x 40 x 20 mm
  • Tweeter magnet size: 19.7 x 3 mm
  • Diaphragm material: Polypropylene with UV inhibitors
  • Tweeter dome material: PEI
  • Maximum mechanical stroke (Xmech): +/- 8.5 mm
  • Weight per speaker: 1.66 kg

Electro-acoustic parameters (TSP)

  • Effective diaphragm diameter (D): 174 mm
  • DC resistance (Re): 3.1 Ohm
  • Resonance frequency (Fs): 50 Hz
  • Voice coil inductance (Le): 0.52 mH
  • Equivalent volume (Vas): 29.46 l
  • Moving mass (Mms): 27.3 g
  • Suspension compliance (Cms): 0.37 mm/N
  • Force factor (BL): 6.6 Tm
  • Total quality (Qts): 0.58
  • Electrical quality (Qes): 0.61
  • Mechanical quality (Qms): 11.0
  • Reference sound pressure level (Spl): 91 dB

Dimensions

Technical drawing of the Hertz HMX 8.8 S-LD-SW.2 in side view with labeled dimension lines A, B width, C, D, F height/depth as reference measurements.

  • A    225 mm
  • B    180 mm
  • C    128.6 mm
  • D    91 mm
  • F    37.6 mm

Frequency response

Graph showing the impedance in orange, left axis, and the sound pressure level in black of the Hertz HMX 8.8 S-LD-SW.2 as a function of frequency 20 Hz–20 kHz.

Frequently Asked Questions about HMX 8.8 S-LD-SW.2

What are the key performance specifications of the HMX 8.8 S-LD-SW.2?

The HMX 8.8 S-LD-SW.2 from Hertz is a 2-way coaxial system with an 8.8-inch chassis, operating at a continuous power handling of 100 Watts RMS and a peak power handling of 200 Watts. The impedance is 4 Ohm, providing a good balance between power consumption and sound quality. The frequency range extends from 45 Hz to 25,000 Hz, covering both deep bass and high tones. The tweeter diameter is 36 mm, allowing for precise reproduction of high-frequency details. The voice coil of the mid-bass driver measures 32 mm in diameter and is made from ferrite material.

What is the frequency response of the HMX 8.8 S-LD-SW.2 speaker?

The frequency response of the HMX 8.8 S-LD-SW.2 ranges from 45 Hz to 25,000 Hz. This allows for extremely precise reproduction of low to high tones, enhancing both the depth and clarity of the sound. The tweeter with a diameter of 36 mm helps to reproduce high frequencies clearly and in detail. Complemented by the 2-way coaxial system, a balanced sound profile is created, optimized for both music and speech. Especially if you enjoy listening to music at high volumes, you will appreciate the efficiency and sound pressure level of 91 dB.

What materials are used in the HMX 8.8 S-LD-SW.2?

The HMX 8.8 S-LD-SW.2 from Hertz utilizes advanced materials to ensure exceptional sound quality. The diaphragm is made from polypropylene with UV inhibitors to enhance durability and maintain sound stability even under challenging conditions. The voice coil of the mid-bass driver has a diameter of 32 mm and uses high-density ferrite magnets for powerful bass. The tweeter employs neodymium magnets and has a dome material made of PEI, allowing for high efficiency and precise high-frequency sound. This choice of materials guarantees a long lifespan and excellent acoustic properties.

What is the maximum speaker load of the HMX 8.8 S-LD-SW.2?

The HMX 8.8 S-LD-SW.2 from Hertz can handle a continuous load of up to 100 watts RMS, making it ideal for use in high-performance audio systems. At peak loads, it can withstand up to 200 watts, meaning the speaker delivers clear and distortion-free sounds even at high volumes. The combination of a frequency range of 45 – 25,000 Hz and a sensitivity level of 91 dB ensures that you can enjoy details even at high loads without worrying about the system being overloaded.

What are the Thiele Small parameters of the HMX 8.8 S-LD-SW.2?

The Thiele Small parameters for the HMX 8.8 S-LD-SW.2 include important electro-acoustic properties. The effective diaphragm diameter is 174 mm, which is crucial for sound propagation. The DC resistance (Re) is 3.1 Ohm, and the resonance frequency (Fs) is 50 Hz. The voice coil inductance (Le) is specified at 0.52 mH. The equivalent volume (Vas) is 29.46 l, indicating the load range at low frequencies. The moving mass (Mms) of the system is 27.3 g. Finally, the various quality factors indicate the overall performance of the speaker, with Qts at 0.58, Qes at 0.61, and Qms at 11.0.

What are the dimensions of the Hertz HMX 8.8 S-LD-SW.2 speaker?

The HMX 8.8 S-LD-SW.2 has specific dimensions that should be considered when fitting it into vehicles or systems. The overall diameter measures 225 mm, while the mounting diameter is 180 mm. The mounting depth is 91 mm, with additional space needed for the cables. The height of the diaphragm is 37.6 mm. These generous dimensions support the speaker's expandability and provide a deep sound spectrum. Installation locations with sufficient space should be preferred to fully utilize its capabilities.

How complicated is the installation of the HMX 8.8 S-LD-SW.2?

The installation of the HMX 8.8 S-LD-SW.2 from Hertz can indeed present specific requirements due to its dimensions and two-way system. The installation depth is 91 mm, with an installation diameter of 180 mm and an overall diameter of 225 mm. It is important that the installation space in the vehicle meets these dimensions. The use of polypropylene with UV inhibitors in the membrane also provides protection against weather influences, particularly in external mounting areas. An electrical connection with a nominal impedance of 4 Ohm should also be ensured.

How efficiently does the HMX 8.8 S-LD-SW.2 speaker operate?

The HMX 8.8 S-LD-SW.2 from Hertz shows high efficiency thanks to a rated sound pressure level of 91 dB, allowing for clear, loud playback with low power consumption. This is particularly advantageous in environments where energy efficiency and volume are important, such as in boats or recreational vehicles. The force factor (BL) is 6.6 Tm, indicating effective power transfer from the coil to the membrane. Together, these values ensure that the speaker delivers a voluminous and detailed sound even at minimal amplifier power.

What frequencies can the HMX 8.8 S-LD-SW.2 reproduce?

The HMX 8.8 S-LD-SW.2 from Hertz covers an impressive frequency range from 45 Hz to 25,000 Hz. This means it reproduces both very deep bass and high tones in excellent quality. This is made possible by the use of a tweeter with a diameter of 36 mm and a high-quality voice coil with a diameter of 32 mm, both precisely tuned to each other. This frequency range is suitable for many music genres and provides a balanced, rich, and detailed sound, ideal for both demanding hi-fi applications and dynamic music.

What magnetic properties does the HMX 8.8 S-LD-SW.2 have?

The HMX 8.8 S-LD-SW.2 from Hertz uses advanced magnetic materials for powerful audio output. The magnet of the mid-bass driver is made of high-density ferrite, measuring 90 x 40 x 20 mm, to ensure high stability and load capacity. The tweeter uses neodymium magnets measuring 19.7 x 3 mm, known for their excellent energy efficiency and magnetic field strength. These magnetic specifications significantly contribute to increasing sound volume and dynamic precision by delivering maximum performance in a compact space.

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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