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Ground Zero GZCT 28M-SPL Dome Tweeter

2 Reviews

80 Watt

GZCT 28M-SPL

2 Reviews

Technical Highlights

  • Power of 110 watts, impedance 4 ohms, frequency response 2500 Hz to 20 kHz.
  • Mylar dome 28 mm, neodymium magnet, ferrofluid cooling.
  • 12 dB/oct high-pass filter, efficiency 86 dB, installation Ø 48 mm.
  • More technical details
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€71,30
-10% €79,00 €71,30
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
Apr 27, - Apr 30,
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GZCT 28M-SPL by Ground Zero

The GZCT 28M-SPL is a Dome Tweeter from Ground Zero with a 28 mm Mylar dome and a 28 mm voice coil. The construction uses a neodymium magnet and ferrofluid cooling. A 12 dB/octave high-pass filter is included; a mounting bracket is also part of the package. The impedance is 4 ohms, and the efficiency is 86 dB. The power handling is 80 watts RMS and 110 watts maximum. The frequency response ranges from 2500 Hz to 20 kHz, with a crossover frequency of 5500 Hz. The installation diameter is 48 mm with a mounting depth of 16 mm. Packaged as 1 pair.

Features
  • Dome Tweeter
  • 28 mm Mylar dome
  • 28 mm voice coil
  • Neodymium magnet
  • Ferrofluid cooling
  • Includes 12 dB/octave high-pass filter
  • Mounting bracket
  • 1 pair / packaging
Technical Data
  • Diameter: 28 mm
  • RMS power: 80 watts
  • Maximum power: 110 watts
  • Impedance: 4 ohms
  • Efficiency: 86 dB
  • Frequency response: 2500 Hz – 20 kHz
  • Crossover frequency: 5500 Hz
  • Voice coil: 28 mm
  • Installation diameter: 48 mm
  • Mounting depth: 16 mm
  • Design: Dome Tweeter with Mylar dome

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Ground Zero GZCT 28M-SPL Datasheet

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Frequently Asked Questions about GZCT 28M-SPL

What technology does the GZCT 28M-SPL Tweeter use?

The GZCT 28M-SPL Tweeter from Ground Zero utilizes neodymium magnet technology, known for its high magnetic strength in a compact size, optimizing sound quality. Additionally, sound performance is supported by ferrofluid cooling, which prevents overheating and stabilizes performance. This advanced technology, combined with a 28 mm Mylar dome, ensures an acoustically impressive result that remains clear and undistorted even at high sound pressure levels. The integration of a 12 dB/octave high-pass filter ensures that the tweeter is efficiently incorporated into the speaker system.

What is the power handling of the GZCT 28M-SPL Tweeter from Ground Zero?

The GZCT 28M-SPL Tweeter offers high power handling, rated at 80 watts RMS and reaching up to 110 watts in maximum range. These performance specifications make it ideal for users who value both high volume and sound clarity, as the components are designed to function reliably even under intense use. This means that the GZCT 28M-SPL is suitable for both everyday applications and more demanding audio installations in larger systems without any loss of performance.

What are the dimensions of the GZCT 28M-SPL Tweeter?

The Ground Zero GZCT 28M-SPL features compact dimensions. The mounting hole has a diameter of 48 mm, with a mounting depth of only 16 mm. These small measurements allow the tweeter to be integrated into a variety of installations, even when space is limited. The actual dome diameter is 28 mm, highlighting the compactness of the design without compromising sound quality. Such dimensions are particularly advantageous for retrofitting or replacing existing audio components in vehicles.

What is the frequency response of the GZCT 28M-SPL Tweeter?

The frequency response of the GZCT 28M-SPL Tweeter covers the range from 2500 Hz to 20 kHz, making it ideal for reproducing high frequencies. This bandwidth ensures that the tweeter accurately reproduces even the finest details of an audio track. The optimal crossover frequency is at 5500 Hz, which facilitates integration into complex speaker systems. The wide frequency response makes this tweeter particularly suitable for users seeking both rich highs and a balanced soundscape in their audio projects.

What role does the 12 dB/oct high-pass filter play in the GZCT 28M-SPL?

The integrated 12 dB/oct high-pass filter in the GZCT 28M-SPL Tweeter from Ground Zero is designed to eliminate unwanted low frequencies that could burden the tweeter. This filter ensures that the tweeter only receives and reproduces frequencies that fall within its strength range, significantly improving sound quality. Especially in demanding audio systems where clarity and precision are required, the high-pass filter ensures optimized and controlled frequency reproduction. This allows for the best possible performance without distortion or overload.

How does the Mylar dome contribute to the sound quality of the GZCT 28M-SPL?

The use of a Mylar dome in the GZCT 28M-SPL Tweeter significantly enhances sound quality. Mylar is known for its excellent acoustic properties and provides stable and efficient reproduction of high frequencies. This contributes to a clear and detailed sound image without distortions that could impair the sound. Additionally, Mylar is extremely lightweight, which improves the driving force of the voice coil and increases the efficiency of the tweeter. Thus, the Mylar dome supports precise and resonance-free music reproduction.

What role does the ferrofluid cooling play in the GZCT 28M-SPL Tweeter?

Ferrofluid cooling is an essential component of the GZCT 28M-SPL, as it effectively dissipates heat from the sensitive components. Especially under high load, heat can affect the performance of speakers. Ferrofluid provides a solution here by regulating temperature and increasing the reliability and effectiveness of the tweeter. It also improves the control of the voice coil, minimizing signal distortion and ensuring a clear, uncolored sound. This technology also supports a longer lifespan of the tweeter by protecting the components from temperature-related wear.

Is the GZCT 28M-SPL Tweeter compatible with all vehicle models?

The compatibility of the GZCT 28M-SPL Tweeter is quite universal due to its compact dimensions and standardized design, but it is not guaranteed for all vehicle models in general. With a mounting diameter of 48 mm and a mounting depth of 16 mm, it fits into many common vehicles; however, individual adjustments are often necessary depending on the car brand and model. It is advisable to compare the specified dimensions of the Tweeter with the existing mounting options in the vehicle to ensure smooth integration. Technically skilled installations can usually be carried out without issues.

How should the GZCT 28M-SPL Tweeter be ideally positioned?

The ideal location for the GZCT 28M-SPL Tweeter depends on the vehicle acoustics; however, installation in the front area, such as in the A-pillar or dashboard, is optimal to ensure direct sound projection. When installing, attention should be paid to the mounting opening with a diameter of 48 mm and a depth of 16 mm to achieve proper fastening and good resonance. Precisely aligning the Tweeter to the listening position can significantly improve sound quality and spatial representation. The correct placement contributes to a balanced sound profile.

How does the 4 Ohm impedance of the GZCT 28M-SPL affect performance?

The 4 Ohm impedance of the GZCT 28M-SPL is optimally designed for many common amplifier systems, as it offers a good compromise between power and efficiency. A lower resistance means that the amplifier can drive more current through the speakers, resulting in higher volume and a more vibrant sound. However, care should be taken to ensure that the amplifier power is compatible to avoid distortion. This impedance allows the Tweeter to fully unleash its acoustic quality while accurately reproducing musical nuances.

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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