3. Single Subwoofer SQ
  5. Iridium GZIW 165

Iridium GZIW 165

11 reviews

150 Watt

Iridium GZIW 165

11 reviews

Technical Highlights

  • 100 Watt power, 4 Ohm impedance, 85.5 dB efficiency.
  • HQPP diaphragm, 3D structure, low-resonance steel basket.
  • Klippel-optimized, durable rubber surround, pressure contact.
  • More technical details
€54.25
-27% €74.00 €54.25
2% discount with credit card

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ProductIridium GZIW 165

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datasheet
The Ground Zero Iridium GZIW 165 is a black 6.5 subwoofer featuring a textured cone and Klippel-optimized connection terminals at the bottom.
€54.25
€74.00 €54.25

Iridium GZIW 165 is a 6.5 inch (16.5 cm) Subwoofer from Ground Zero with Klippel optimized construction and HQPP membrane with 3D structure. Equipped with a 38 mm copper voice coil, durable rubber surround, polycot centering, resonance-optimized steel basket, and pressure contact connection. The impedance is 4 Ohms, Re 3.6 Ohms, the resonance frequency is 41 Hz; Qms 10.70, Qes 0.43, and Qts 0.41. Vas 9.1 liters, Le 1.59 mH, Mms 40.4 g, and BL 9.46. The linear excursion Xmax is 10 mm, the efficiency is 85.5 dB (1 W/1 m). The RMS power handling is 100 Watts, the recommended amplifier power is 60 to 150 Watts. Dimensions: outer diameter 168 mm, cutout diameter 147 mm, mounting depth 79 mm.

Features
  • 6.5 inch (16.5 cm) Subwoofer
  • Klippel optimized
  • 38 mm copper voice coil
  • Durable rubber surround
  • HQPP membrane with 3D structure
  • Polycot centering
  • Resonance-optimized steel basket
  • Pressure contact connection
Technical Specifications
  • Impedance 4 Ohms
  • Re 3.6 Ohms
  • Fs 41 Hz
  • Qms 10.70
  • Qes 0.43
  • Qts 0.41
  • Vas 9.1 liters
  • Le 1.59 mH
  • Mms 40.4 g
  • BL 9.46
  • Xmax 10 mm
  • Efficiency 85.5 dB (1 W/1 m)
  • RMS power handling 100 Watts
  • Recommended amplifier power 60–150 Watts
  • Outer diameter 168 mm
  • Cutout diameter 147 mm
  • Mounting depth 79 mm

Frequently Asked Questions about Iridium GZIW 165

What technical features does the Iridium GZIW 165 offer?

The Iridium GZIW 165 from Ground Zero is a high-quality 6.5-inch Subwoofer with an optimized 38 mm copper voice coil. The diaphragm is made from a stable IMPP structure that ensures outstanding sound characteristics and is equipped with a 3D structure to minimize partial vibrations. A durable rubber surround and a polycot center ensure longevity and stability during operation. The resonance-optimized steel basket construction and the pressure contact connection allow for easy installation and reliable sound transmission. The Subwoofer has an impedance of 4 Ohms and a maximum power handling of 100 Watts RMS.

How does the IMPP diaphragm of the Iridium GZIW 165 affect the sound?

The IMPP diaphragm of the Iridium GZIW 165 is a crucial element for sound enhancement. It is made from polypropylene, which, due to its rigid yet lightweight structure, is particularly resonance-optimized, resulting in minimal distortion and clear sound reproduction. Additionally, the special 3D structure of the diaphragm reduces partial vibrations, leading to a more balanced and precise sound. This Subwoofer ensures excellent sound quality that faithfully reproduces the original tone. Thanks to this design, the GZIW 165 is an ideal choice for audiophiles who value pure sound.

What Thiele-Small parameters does the Ground Zero Iridium GZIW 165 have?

The Thiele-Small parameters of the Ground Zero Iridium GZIW 165 are important indicators of its performance. The Subwoofer has a Qms of 10.70, which represents its mechanical quality. The Qes is at 0.43, while the Qts is at 0.41, describing the overall quality of the speaker. The Vas is 9.1 liters, which is the volume needed for bass reflex tuning. Mms is at 40.4 grams and describes the moving mass of the diaphragm. The BL value of 9.46 indicates the force acting on the voice coil, which affects the efficiency of the speaker. These parameters are essential for optimal integration into the audio system.

What is the installation depth of the Iridium GZIW 165?

The Iridium GZIW 165 from Ground Zero has a mounting depth of 79 mm, which is important to ensure compatibility with various vehicle models. The installation dimensions are crucial for the correct fit and mechanics within the given enclosure design. With a mounting diameter of 147 mm and an outer diameter of 168 mm, this Subwoofer can be integrated into most standardized box enclosures. Ensure there is enough space to guarantee optimal sound direction and no contact with other components of your vehicle. Also, pay attention to a solid anchoring to minimize vibrations.

Why is the resonance-optimized steel basket of the GZIW 165 important?

The resonance-optimized steel basket of the GZIW 165 is central to its sound performance, as it provides a stable base that minimizes unwanted vibrations, thus avoiding sound distortion. A resonance-optimized frame is particularly important because it keeps the movement of the diaphragm optimally controlled, supporting a clean sound image. This steel basket significantly contributes to the structural integrity of the Subwoofer and allows the GZIW 165 to achieve precise and focused bass reproduction, making it the ideal choice for audiophiles who appreciate high-precision performance.

What amplifier power is recommended for the GZIW 165?

For the Ground Zero Iridium GZIW 165, an amplifier power of 60 to 150 watts is recommended to optimally operate the Subwoofer. This power range ensures that the Subwoofer reaches its maximum sound quality without risking damage from overload. With this power, it can easily utilize the specified RMS capacity of 100 watts. When the amplifier operates within these power parameters, clear, distortion-free bass reproduction is guaranteed. This makes it the ideal addition to a well-matched sound system, where power and sound quality are of utmost importance.

How does the copper voice coil affect the sound of the Iridium GZIW 165?

The 38 mm copper voice coil of the Iridium GZIW 165 plays a crucial role in the sound reproduction of the Subwoofer. Copper is known for its excellent conductivity and heat dissipation, which means it efficiently conducts energy through the voice coil while optimizing heat release. This allows the Subwoofer to sound clean at high volumes without overheating. The voice coil also contributes to the stiffness and stability of the diaphragm movements, minimizing distortion and ensuring a clear, precise sound.

Can the Iridium GZIW 165 be compatible with my car?

The Iridium GZIW 165 has specific dimensions that are crucial for compatibility with many car models. With an outer diameter of 168 mm, a mounting diameter of 147 mm, and a mounting depth of 79 mm, the Subwoofer is designed to fit into most standardized Subwoofer enclosures. Check the dimensions of your vehicle to ensure that the Subwoofer can be installed correctly. Especially if you do not have specific car brands in your description, make sure there is enough space and a suitable enclosure structure.

What impact does the durable rubber surround have on the longevity of the Iridium GZIW 165?

The durable rubber surround of the Iridium GZIW 165 significantly contributes to the durability and stability of the Subwoofer. Rubber is a material that is widely used due to its flexibility and resistance to aging and weather influences. This surround ensures a smooth return of the diaphragm to its original position, providing maximum stability during diaphragm movement. This reduces the risk of material fatigue and extends the lifespan of the speaker, even with intensive use. This is especially important for users who regularly prefer high volumes.

What is the efficiency of the Iridium GZIW 165 and why is it important?

The efficiency of the Iridium GZIW 165 is 85.5 dB SPL at 1 Watt/1 meter, which is a measure of how efficiently the Subwoofer converts electrical power into sound. A higher efficiency means that the speaker requires less energy to reach a certain volume, which is advantageous in energy-efficient systems. This efficiency allows the device to deliver clear and powerful bass even without power-intensive amplifiers. For audio enthusiasts, high efficiency is crucial to optimize performance without additional amplifier load.

Manufacturer information/responsible person

Ground Zero GmbH
Erlenweg 25
85658 Egmating, Germany

Tel +49 (0)8095 873 830

E-Mail: info@ground-zero-audio.com

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