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Ground Zero Ultra M-80 3" (8cm) Midrange Speaker
SKU:  ULTRA-M80
EAN:  4037072025262
70 Watt

Ultra M-80

SKU:  ULTRA-M80
EAN:  4037072025262

Technical Highlights

  • 70/110 watts power, 4 ohms impedance, 88 dB efficiency, 127 Hz.
  • Kevlar® membrane, NBR surround, ventilated coil carrier, high load capacity.
  • Frequency range 150 Hz – 15 kHz, Ø 76.5 mm installation dimensions, 42 mm depth.
  • More technical details
€1.495,00
€1.495,00 €1.495,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
May 18, - May 21,
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Ultra M-80 by Ground Zero

The Ultra M-80 from Ground Zero is a 3-inch midrange speaker in ultra-high-end design with a diameter of 80 mm. It features a high-tech Kevlar diaphragm and an NBR surround for linear guidance. The power handling is 70 watts RMS and 110 watts maximum at an impedance of 4 ohms. To minimize distortion, a ventilated voice coil former is integrated. The voice coil is made of round CCA wire, and the system utilizes optimized drive and voice coil ventilation. The delivery is made in pairs, selected in a wooden packaging, including a high-quality mounting ring. A documented technical final inspection is included with each unit.

Features
  • 3-inch (8 cm) midrange speaker
  • Ultra-high-end design
  • High-tech Kevlar diaphragm
  • NBR surround with linear guidance
  • Ventilated voice coil former
  • Round CCA voice coil wire
  • Optimized drive and voice coil ventilation
  • Selected in pairs in wooden packaging
  • Includes mounting ring
  • Documented technical final inspection
Technical Specifications
  • Power handling: 70 watts RMS
  • Power handling: 110 watts max.
  • Impedance: 4 ohms
  • Sensitivity: 88 dB
  • Frequency response: 150 Hz – 15 kHz
  • Mounting diameter: 76.5 mm
  • Hole circle: 87 mm
  • Mounting depth: 42 mm
  • Resonance frequency (Fs): 127 Hz

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Ground Zero Ultra M-80 Datasheet

Open datasheet

Frequently Asked Questions about Ultra M-80

1. What advantages does the Kevlar® membrane of the Ground Zero Ultra M-80 offer?

The Kevlar® membrane of the Ground Zero Ultra M-80 provides exceptional stiffness and low weight at the same time. This allows you to enjoy very clear and precise mids, which enable impressive detail reproduction, especially in music pieces rich in instruments. Kevlar® is known for maintaining its shape even under high stress, ensuring that volume and sound quality are not compromised. Additionally, this material contributes to a quick response of the membrane system, allowing you to experience dynamic reproduction of even the finest nuances in the midrange. Particularly in three-way car audio systems, this membrane works ideally with a suitable car audio tweeter. Combined with the selected voice coil design, it creates a high-end midrange driver that will surely impress you with its vibrant representation.

2. How does the NBR surround affect sound and performance?

The NBR surround (Nitrile Butadiene Rubber) of the Ultra M-80 is a true quality feature because this type of rubber allows for very controlled and linear membrane movement. This means that your midrange speaker can vibrate precisely even at higher volumes without producing unwanted distortions. NBR is also excellent for use in cars, as this material mixture is robust against extreme temperatures and humidity. This way, you can enjoy consistently high performance even during long listening sessions and changing weather conditions. Especially if you like to listen to loud music or pay attention to clean transitions between frequency ranges, you will be impressed by the stability and linearity of this surround. It is thus a guarantee for precise sound behavior.

3. What role does the ventilated voice coil former play in the Ultra M-80?

The ventilated voice coil former is a central element in the Ultra M-80, as it helps to effectively dissipate heat from the voice coil. This allows the system to cool better even under heavy load and remain more stable during continuous operation. If you drive long distances and like to turn up your music loud, this design minimizes overheating and reduces the risk of sound distortion. At the same time, the ventilation supports a uniform movement of the diaphragm, as the airflow behind the diaphragm is not obstructed. This reduces distortion, allowing you to enjoy a clean midrange that reveals every detail. In summary, the ventilated voice coil former enhances the durability and sound fidelity of the midrange speaker.

4. What are the power handling and efficiency of the Ground Zero Ultra M-80?

The Ground Zero Ultra M-80 is designed for an RMS power handling of 70 watts and a maximum power handling of 110 watts. This makes it excellent for use in demanding car audio configurations where you need powerful and clear midrange. Its efficiency is rated at 88 dB, which means you can achieve impressively loud and clean sound even with moderate amplifier power. If the dynamics of your music are important to you, you can further enhance this high-end car midrange speaker with a suitable amplifier to unlock additional power reserves. The precise tuning of all components makes this car audio midrange speaker the perfect choice for sound enthusiasts.

5. How wide is the frequency response of the Ultra M-80?

The frequency response of the Ultra M-80 extends from 150 Hz to 15 kHz, thus covering a large part of the auditory spectrum. In particular, the mids are represented in great detail, allowing voices and instruments to be reproduced with impressive clarity. If you want to round out your sound experience, you can add a subwoofer for the low frequencies below and use a corresponding high-end car tweeter in the high-frequency range to capture all details. With this wide operating range, the Ultra M-80 harmonizes well in 2-way or 3-way systems. Additionally, it remains pleasantly linear and low in distortion even at crossover frequencies, ensuring you a balanced music image.

6. What special features are there when installing the Ultra M-80 in different vehicles?

The Ultra M-80 has a diameter of 80 mm, a mounting diameter of 76.5 mm, and a mounting depth of 42 mm. This midrange speaker fits into many car audio openings without requiring major modifications. Thanks to the high-quality mounting ring included in the package, you can install the speaker securely and precisely in the vehicle. Especially when space behind the door panel is limited, the compact design is advantageous. Additionally, the bolt circle with 87 mm allows for secure fastening, ensuring that nothing shifts during intense vibrations. This gives you the assurance that your Ground Zero Ultra M-80 will remain firmly and securely installed in the long term.

7. Can I combine the Ultra M-80 midrange speaker with my BMW, Audi, Mercedes, or VW?

Most European car brands like BMW, Audi, Mercedes, or VW have specific space requirements and mounts for speakers in the doors or on the dashboard. Due to its compact design with a mounting diameter of 76.5 mm and a mounting depth of 42 mm, the Ultra M-80 from Ground Zero fits into many original speaker openings, provided the diameter and mounting depth match. If adjustments are necessary, the included mounting ring often helps you install the midrange speaker securely and reliably. In terms of impedance (4 Ohm) and power handling (70/110 Watts), the model is also very flexible. This way, you can enhance the sound quality of your favorite vehicle with this high-end midrange speaker.

8. Why is a documented technical final inspection important for the Ultra M-80?

A documented technical final inspection shows you as a user that each individual Ultra M-80 undergoes strict quality controls. Ground Zero places great importance on adhering to closely tolerated parameters, which ensures consistent performance and sound quality. Especially with high-end speakers, it is crucial that the components are precisely matched. When you assemble a three-part car audio system, you can trust that this midrange speaker truly delivers the promised performance. Thanks to the test protocols, manufacturing quality remains transparent, and you can look forward to an identical sound profile, whether you use one or multiple pairs. This builds trust and demonstrates a genuine awareness of quality.

9. What does the CCA voice coil do in terms of load capacity and performance?

The voice coil made of CCA (Copper Clad Aluminium) is specifically chosen for the Ultra M-80 midrange speaker to achieve high load capacity without unnecessary additional weight. The aluminum in the core makes the voice coil lighter, while the copper coating ensures good conductivity and sufficient stability. This way, you can supply your midrange speaker with ample power without worrying that the coil or the entire system will quickly reach its limits. This construction not only favors thermal management but also provides better dynamics in sound. If you want to enjoy your music at powerful levels, the Ultra M-80 remains confident and low in distortion for longer.

10. Why does the wooden packaging and paired selection indicate high quality?

The wooden packaging is a clear indication that Ground Zero values optimal protection and an exclusive presentation. Wooden boxes not only provide stability during transport but also protect the sensitive components of the Ultra M-80 from climate fluctuations. Additionally, these midrange speakers are selected in pairs, meaning that both specimens are very similarly tuned in their technical parameters. Especially in stereo operation or in sophisticated car audio systems, you benefit from a particularly homogeneous sound profile. The matched pairs prevent one speaker from deviating significantly from the other. This enhances the soundstage and guarantees you a true high-end listening experience in the car.

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