Hydrogen GZHW 8SPL-D2 FLAT

Technical Highlights

  • Impedance 2x 2 Ohm, power handling 500/800 Watt, 83 dB efficiency.
  • 63 mm 4-layer copper voice coil, resonance frequency 31.5 Hz.
  • Flat construction, max. deflection 24 mm, sandwich paper cone.
  • More technical details
Regular price €192.15
Regular price -23% €249.00 selling price €192.15
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ProductHydrogen GZHW 8SPL-D2 FLAT

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Estimated delivery: Sep 16–Sep 21.
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datasheet
Regular price €192.15
Regular price €249.00 selling price €192.15

Hydrogen GZHW 8SPL-D2 FLAT is a 20 cm flat subwoofer from Ground Zero in SPL version. The construction includes a massive aluminum die-cast basket, a sandwich paper diaphragm, and a long-stroke U-shaped surround. Klippel optimized. Equipped with a 4-layer copper voice coil and pressure contact connection. The impedance is 2 x 2 ohms, and the efficiency is 83 dB. The installation diameter is 187 mm, the installation depth is 80 mm, and the diameter is 20 cm. The voice coil measures 63 mm made of copper, and the maximum displacement Xmax is 24 mm. The resonance frequency is 31.5 Hz, the total quality factor Qts is 0.41, and the equivalent air volume Vas is 14.2 liters.

Features
  • 20 cm flat subwoofer
  • SPL version
  • Klippel optimized
  • Sandwich paper diaphragm
  • Long-stroke U-shaped surround
  • Massive aluminum die-cast basket
  • 4-layer copper voice coil
  • Pressure contact connection
Technical Specifications
  • Diameter: 200 mm
  • Installation diameter: 187 mm
  • Installation depth: 80 mm
  • Impedance: 2 x 2 ohms
  • Efficiency: 83 dB
  • RMS power handling: 500 watts
  • SPL power handling: 800 watts
  • Power recommendation: 350–800 watts
  • Voice coil: 63 mm copper
  • Diaphragm: sandwich paper
  • Maximum displacement Xmax: 24 mm
  • Resonance frequency Fs: 31.5 Hz
  • Total quality factor Qts: 0.41
  • Equivalent air volume Vas: 14.2 liters
  • Version: Flat SPL subwoofer

Frequently Asked Questions about Hydrogen GZHW 8SPL-D2 FLAT


What is the impedance of the Hydrogen GZHW 8SPL-D2 FLAT?

The Hydrogen GZHW 8SPL-D2 FLAT from Ground Zero features a dual impedance of 2x 2 Ohms. This allows for flexible configuration depending on the requirements of your audio systems. With the dual 2 Ohm coil, you can utilize various settings based on the amplifier, which is particularly useful when installing multiple subwoofers or having other specific power requirements. This flexibility maximizes the system's adaptability to individual power needs.

What is the installation depth of the Hydrogen GZHW 8SPL-D2 FLAT?

The installation depth of the Hydrogen GZHW 8SPL-D2 FLAT is a compact 80 mm, making it ideal for applications where space is limited. Despite its flat design, it still delivers remarkable sound performance, making it suitable for use in vehicles with little space. When installing, it is important to consider the installation depth to ensure that the subwoofer fits in your vehicle model and functions optimally without compromising the structural integrity of the enclosure.

What material properties does the diaphragm of the Hydrogen GZHW 8SPL-D2 FLAT have?

The Hydrogen GZHW 8SPL-D2 FLAT subwoofer features a sandwich paper diaphragm, known for its lightweight yet sturdy structure. This design allows the diaphragm to respond efficiently to the vibrations of the voice coil, resulting in a clean and precise sound image. The use of paper as the base material also provides natural acoustics and enhances overall sound quality. The multilayer construction additionally gives the diaphragm stability without sacrificing agility and dynamics.

What is the power handling of the Hydrogen GZHW 8SPL-D2 FLAT?

The Hydrogen GZHW 8SPL-D2 FLAT is designed for an RMS power handling of 500 watts and can handle peak loads of up to 800 watts. This power handling is ideal for demanding audio applications where high volume levels and sound fidelity are crucial. With its generous power capacity, the Subwoofer is suitable for intense music enjoyment moments where powerful bass is required. It is important to operate the Subwoofer with appropriate amplifier support to fully utilize its performance capabilities.

What special design features does the Hydrogen GZHW 8SPL-D2 FLAT have?

The Hydrogen GZHW 8SPL-D2 FLAT offers several technological highlights, including a massive aluminum die-cast basket that ensures the structural integrity of the device. The construction includes a long-stroke U-cone and optimized Klippel® technology, which provide improved linearity and distortion-free playback. Notably, the 4-layer copper coil with a diameter of 63 mm ensures excellent coil movement and heat dissipation. All these technical innovations contribute to high sound performance and durability.

What tips are there for installing the Hydrogen GZHW 8SPL-D2 FLAT in a car?

When installing the Hydrogen GZHW 8SPL-D2 FLAT in a car, you should consider the installation dimensions of 187 mm Ø and 80 mm depth to ensure that the Subwoofer fits perfectly in the designated space. Due to its flat design, it is ideal for vehicles with limited space; however, ventilation should not be compromised. Additionally, it is recommended to ensure adequate Damping in the area of the installation opening to minimize unwanted resonances. A proper connection of the terminals equipped with pressure contacts is essential for operation.

What is the resonance frequency of the Hydrogen GZHW 8SPL-D2 FLAT?

The Hydrogen GZHW 8SPL-D2 FLAT has a resonance frequency of 31.5 Hz. This low frequency indicates that the Subwoofer is particularly effective in bass reproduction and can clearly and precisely represent low frequencies. This characteristic is crucial for reproducing music pieces with intense bass load, as the Subwoofer can easily cover extended frequency ranges even at higher volume levels. This frequency is ideal for users seeking deep, rich bass reproduction that can impress both musically and in home theater applications.

What are the advantages of Klippel® optimization in the Hydrogen GZHW 8SPL-D2 FLAT?

The Klippel® optimization in the Hydrogen GZHW 8SPL-D2 FLAT significantly improves the linearity of the Subwoofer by minimizing non-linear distortions and other acoustic anomalies. By using Klippel® technology, the mechanical and electrical parameters of the Subwoofer are precisely adjusted to ensure uncolored sound reproduction. Especially in high-performance applications, this optimization is crucial for pure and clear sound, even with complex musical pieces. This makes the Subwoofer an excellent choice for audiophiles who expect uncolored and high-quality sound reproduction.

What is the maximum displacement of the Hydrogen GZHW 8SPL-D2 FLAT?

The Hydrogen GZHW 8SPL-D2 FLAT offers a maximum displacement (Xmax) of 24 mm. This significant displacement capacity is essential for reproducing deep and powerful bass frequencies. Such a high displacement limit allows the Subwoofer to reproduce low frequencies with minimal distortion, resulting in a powerful and precise bass representation. For the listener, this means a dynamic and vibrant sound that impresses even in demanding environments and enriches the sound quality.

What is the recommended power for the Hydrogen GZHW 8SPL-D2 FLAT?

For operating the Hydrogen GZHW 8SPL-D2 FLAT Subwoofer, an amplifier power between 350 and 800 watts is recommended. This power range is optimized to efficiently operate the Subwoofer under different musical demands while fully exploiting its sonic potential. Adequate amplifier power ensures that the Subwoofer is neither underpowered nor overloaded, which is essential for optimal sound and longevity. Pay attention to the power recommendation to avoid distortion and maximize the listening experience.

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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