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Ground Zero Hydrogen GZHW 12SPL-D2 FLAT 12" (30cm) Flat Subwoofer
SKU:  GZHW-12SPL-D2-FLAT
EAN:  4037072025323

Hydrogen GZHW 12SPL-D2 FLAT

SKU:  GZHW-12SPL-D2-FLAT
EAN:  4037072025323

Technical Highlights

  • 700/1200 watts power handling, 2x 2 ohms impedance, 88 dB efficiency.
  • 63mm copper voice coil, flat 30 cm diameter, 118 mm depth.
  • 21 Hz resonance frequency, 32 mm maximum displacement, sandwich type.
  • More technical details
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Normal price €362,90
Normal price -15% €429,00 Selling price €362,90
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
Jun 5, - Jun 8,
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Hydrogen GZHW 12SPL-D2 FLAT by Ground Zero

Ground Zero Hydrogen GZHW 12SPL-D2 FLAT is a 12 inch (30 cm) flat subwoofer. Klippel-optimized design, sandwich paper cone, and long-stroke U-shaped surround. Massive aluminum die-cast basket. 63 mm 4-layer copper voice coil with push terminal connection. Designed as a high-quality flat SPL subwoofer. Impedance 2x 2 Ohm. Efficiency 88 dB. Power handling RMS 700 Watts and SPL 1200 Watts. Xmax 32 mm. Cutout diameter 284 mm and mounting depth 118 mm. Resonance frequency 21 Hz, Qts 0.30, Vas 19.7 L.

Features
  • 12 inch (30 cm) flat subwoofer
  • Klippel-optimized design
  • Sandwich paper cone
  • Long-stroke U-shaped surround
  • Massive aluminum die-cast basket
  • 63 mm 4-layer copper voice coil
  • Push terminal connection
  • Design: high-quality flat SPL subwoofer
Technical Specifications
  • Diameter: 30 cm
  • Power handling RMS: 700 Watts
  • Power handling SPL: 1200 Watts
  • Impedance: 2x 2 Ohm
  • Efficiency: 88 dB
  • Maximum excursion Xmax: 32 mm
  • Cutout diameter: 284 mm
  • Mounting depth: 118 mm
  • Resonance frequency Fs: 21 Hz
  • Total Q factor Qts: 0.30
  • Equivalent air volume Vas: 19.7 L

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Ground Zero Hydrogen GZHW 12SPL-D2 FLAT Datasheet

Frequently Asked Questions about Hydrogen GZHW 12SPL-D2 FLAT


How does the Hydrogen GZHW 12SPL-D2 FLAT differ from other Subwoofers?

The Hydrogen GZHW 12SPL-D2 FLAT is characterized by its flat design and solid aluminum die-cast basket. Notably, it features a 63 mm thick copper voice coil with a 4-layer winding, which, combined with the Klippel® optimized design, ensures impressive sound quality. The sandwich paper cone and long-stroke U-shaped surround allow for precise bass reproduction, while the efficiency is at 88 dB. An additional highlight is the pressure contact connection, which guarantees an easy and secure connection. These features make this Subwoofer an excellent choice for audiophiles who value design and performance.

What technical performance does the Hydrogen GZHW 12SPL-D2 FLAT offer?

This Subwoofer offers an RMS power of 700 watts and a maximum SPL capacity of 1200 watts, making it ideal for powerful bass frequencies. The recommended amplifier power ranges from 500 to 1200 watts, ensuring compatibility with a wide range of amplifiers. With an efficiency of 88 dB, it achieves high efficiency in converting electrical energy into acoustic power.

How does the design of the Hydrogen GZHW 12SPL-D2 FLAT affect installation in a vehicle?

Thanks to its flat design with a mounting depth of only 118 mm, the Hydrogen GZHW 12SPL-D2 FLAT is ideal for vehicles with limited space. The mounting diameter of 284 mm allows for a compact installation that can be realized in many vehicle models without major modifications. Vehicles with smaller trunks particularly benefit from this design advantage.

What materials are used in the Hydrogen GZHW 12SPL-D2 FLAT?

The Hydrogen GZHW 12SPL-D2 FLAT is made from high-quality materials such as a sandwich paper cone and an aluminum die-cast basket. The 63 mm copper voice coil is multi-layered, which not only increases durability but also improves sound quality. The long-stroke U-shaped surround allows for a high excursion of up to 32 mm, resulting in a voluminous and detailed bass.

What sound characteristics does the Hydrogen GZHW 12SPL-D2 FLAT offer through the use of Klippel® technology?

The Klippel® technology achieves an optimized magnetic field distribution and mechanical linearity, leading to precise and distortion-free bass reproduction. This allows for enhanced sound fidelity, even at high volumes, thus improving the overall listening experience. The technology also ensures improved electrical efficiency of the Subwoofer and minimizes distortions that could arise from the movement of the cone at high output levels.

What parameters determine the bass quality of the Hydrogen GZHW 12SPL-D2 FLAT?

The sound quality of the Hydrogen GZHW 12SPL-D2 FLAT is defined by parameters such as the resonance frequency (Fs) of 21 Hz, total quality factor (Qts) of 0.30, and the equivalent air volume (Vas) of 19.7 L. These values indicate how the Subwoofer responds to specific frequencies and how much air it can move, which is crucial for bass quality. Together, they allow for deep, resonant bass, ideal for use in sealed enclosures and at high volume.

How does the long-stroke U-shaped surround of the Hydrogen GZHW 12SPL-D2 FLAT promise improved sound performance?

The long-stroke U-shaped surround of this Subwoofer allows for a maximum displacement (Xmax) of 32 mm, leading to greater handling of the speaker diaphragm. This design enhances the linearity of diaphragm movement, reducing distortion while achieving high sound pressure levels with low distortion. This feature is particularly useful for users expecting excellent low-frequency reproduction in loud environments.

What role does the aluminum die-cast basket play in the Hydrogen GZHW 12SPL-D2 FLAT?

The aluminum die-cast basket of the Hydrogen GZHW 12SPL-D2 FLAT not only provides an extremely stable structure for the mounting parts but also effectively dissipates heat, improving thermal resilience. This reduces the risk of overheating during intense use. The die-cast basket also acts to minimize resonance, thereby reducing unwanted vibrations and resulting in clear, uncolored sound.

Is the Hydrogen GZHW 12SPL-D2 FLAT suitable for use with various car brands?

With its installation diameter of 284 mm and flat design, the Hydrogen GZHW 12SPL-D2 FLAT is compatible with common installation spaces in many vehicle types. The universal dimensions allow for easy adaptation; however, one should measure the speaker grill openings in vehicles with particularly small or unusually shaped designs to ensure a precise fit. In typical cars, installation is straightforward, allowing many car models to benefit from improved bass output.

How does the efficiency of the Hydrogen GZHW 12SPL-D2 FLAT affect the sound experience?

The efficiency of 88 dB of the Hydrogen GZHW 12SPL-D2 FLAT ensures that a large portion of the supplied energy is converted into acoustic power. This means that the Subwoofer can deliver louder bass at the same amplifier power. The high efficiency allows the Subwoofer to be operated with medium-powered amplifiers without compromising on volume or sound quality.

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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