3. Motorcycle speakers for bike sound upgrades
  5. VO-CT75

VO-CT75

VO-CT75

Technical Highlights

  • Up to 500 W power, 4 Ohm impedance, 110 dB sensitivity.
  • Frequency range 500–20,000 Hz, recommended crossover from 1,200 Hz.
  • 76.2 mm titanium voice coil, 35.56 mm horn throat, bolt-on.
  • More technical details
€150.00
€150.00 €150.00
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ProductVO-CT75

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DD Audio-VO-CT75-Horn-Hochtöner-masori-kaufen
€150.00
€150.00 €150.00

The VO-CT75 from DD Audio is a powerful Horn Tweeter specifically designed for applications in PA, SPL, and Pro Audio systems. Equipped with a 76.2 mm titanium voice coil and a precision-engineered motor system, this compression driver delivers excellent level handling and outstanding speech intelligibility. The 35.56 mm horn connection allows for flexible installations in professional setups. With a comprehensive frequency range of 500 Hz to 20,000 Hz, a power handling capacity of up to 500 W, and a high sensitivity of 110 dB SPL, the VO-CT75 is optimal for demanding audio applications. This driver, which can be combined with the separately available VO-CT8x8 horn, offers an ultra-dynamic high-frequency solution.

Features

  • 3" titanium voice coil for maximum power handling
  • CNC-machined motor system for high efficiency
  • 1.4" horn connection for flexible installations
  • Frequency range of 500 Hz to 20,000 Hz
  • Power handling capacity of up to 500 W
  • Sensitivity of 110 dB SPL
  • Compatible with VO-CT8x8 horn

Technical Specifications

  • Driver size: 76.2 mm
  • Voice coil: 76.2 mm titanium
  • Horn connection: 35.56 mm bolt-on
  • Impedance: 4 Ohm
  • Frequency range: 500 – 20,000 Hz
  • Sensitivity: 110 dB SPL
  • Power handling: 150 W RMS, 400–500 W program power
  • Crossover recommendation: from 1,200 Hz
  • Dimensions without horn: approx. 17.1 x 5.9 cm
  • Mounting diameter with 8x8 horn: approx. 21 cm
  • Mounting depth with 8x8 horn: 21.6 cm

Frequently Asked Questions about VO-CT75

What distinguishes the VO-CT75 as a professional Horn Tweeter?

The compression driver excels with a 3-inch titanium voice coil, allowing for high load capacity and solid frequency reproduction. The CNC-machined motor system ensures efficient power transfer, which is particularly advantageous in SPL applications and PA environments. With a frequency range of 500 Hz to 20,000 Hz, it effortlessly covers high-frequency signals while maintaining clear speech intelligibility. The sensitivity of 110 dB SPL makes it ideal for scenarios where high levels are required, providing powerful highs even in loud environments. Additionally, it offers 150 W RMS and up to 500 W program power, providing ample reserves for demanding applications. The 1.4-inch horn connection allows for flexible installations in professional systems.

What load capacity can be expected from the Horn Tweeter in the PA sector?

For the professional high-frequency driver, 150 W RMS is a solid foundation for sustained high-level audio, especially when you are in loud environments or operating a powerful PA system. Annual stable levels are also supported by the 400–500 W program power, giving the driver significant power reserves. These dimensions enable stable performance even when operating at high volumes and with demanding music. The compression driver can thus provide distortion-free highs that far exceed standard tweeters. The VO-CT75 brings impressive values in this regard, especially since its 76.2 mm titanium voice coil effortlessly transforms energy needs into precise sound reproduction. Even over longer sessions, the load capacity remains reliably high. This high-frequency powerhouse is therefore ideal for demanding SPL and PA applications where maximum assertiveness in the high-frequency range is required.

How important is the wide frequency range of the VO-CT75 for SPL and pro audio applications?

A broad frequency range of 500 Hz to 20,000 Hz opens up extensive applications in the professional field, as the driver already addresses the lower mids while also depicting the highest highs. This wide spectrum is particularly advantageous in SPL applications or live concerts to precisely highlight vocal details and represent instruments distinctly. Thanks to this comprehensive range, no additional midrange driver is needed, which can simplify the setup. Additionally, it has the ability to efficiently handle high sound levels without sacrificing clarity. For optimal performance, however, a crossover around 1,200 Hz is recommended to ensure midrange support is appropriately matched to the setup. This allows for a seamless connection to deeper-reaching components, especially in loud stage performances.

How does the 3-inch titanium voice coil affect the sound of the high-frequency driver?

A 3-inch titanium voice coil enables a highly durable design that ensures low-distortion highs for intense music signals. Titanium excels due to its hardness and low mass, ensuring precise response even with fast transients. Additionally, this material promotes improved heat dissipation, allowing the driver to maintain consistent performance for longer. So, if you're working with PA or SPL setups, you can rely on stable high frequencies. The CNC-machined motor system optimally converts energy into acoustic output, further enhancing overall performance. The VO-CT75 demonstrates that the combination of a large-dimension coil and robust diaphragm material can promote excellent speech intelligibility and dynamics.

Why are sensitivity and level stability so crucial in the VO-CT75, and how does the construction of titanium and CNC-machined motor system influence performance reserves?

A high sensitivity of 110 dB SPL ensures that impressive volumes are achieved even with low amplifier power, which is particularly advantageous in SPL setups. Level stability means that the driver delivers clean highs even under high load and does not drift into distortion. The use of the titanium voice coil plays a central role, as this material robustly responds to rapid temperature increases. The CNC-machined motor system further enhances efficiency by precisely focusing the magnetic field distribution. Thus, even at extreme volume levels, reserves remain available without losing clarity in your highs. The generated sound pressure development remains stable and distinct even under intense stress.

How does the recommendation of a crossover starting at 1,200 Hz work in practice, and what advantages does it bring?

In practice, a crossover starting at 1,200 Hz means that you decouple the high-frequency driver from the rest of the frequency spectrum before lower signal components unnecessarily burden it. This allows the driver to focus entirely on frequencies beyond the midrange, significantly increasing clarity. Additionally, the risk of overheating or mechanical overstrain is reduced, as the system transmits less energy in critical lower areas. This separation optimizes overall performance, especially in demanding SPL and PA environments. The VO-CT75 benefits greatly here, as its 3-inch titanium voice coil would otherwise be overstressed if the diaphragm had to process low bass components. Overall, a well-set high-pass filter ensures a cleanly tuned sound system.

What role does the impedance of the VO-CT75 play, and why is the 4-Ohm connection relevant for PA setups?

An impedance of 4 Ohms offers an efficient compromise between high sound pressure and appropriate amplifier load. In PA setups, more drivers can often be operated in parallel at 4 Ohms without overloading the amplifier, which can increase overall output power. Thanks to this resistance characteristic, the interaction with typical amplifiers is facilitated, especially if you want to use multiple high-frequency drivers simultaneously. Additionally, a stable power supply is ensured, so that there are no power losses even at high volumes. The 4-Ohm configuration works well with common professional amplifier systems and allows additional components to be connected to these drivers, creating a balanced sound system with uniform system characteristics. This leads to robust high-end performance, especially in live environments or nightclubs.

How do I optimally combine the driver with the separately available horn, and what dimensions should I consider?

When using the compression driver together with the VO-CT8x8 horn, you should account for a mounting diameter of about 21 cm and a mounting depth of 21.6 cm. This ensures sufficient space in your setup and guarantees that the horn sits properly on the driver. Thanks to the 35.56 mm bolt-on horn connection, the installation is precise and stable, without compromising sound quality. The VO-CT75 works particularly well in this combination, as the large horn mouth radiates sound evenly. This allows you to achieve high levels and wide coverage, ideal for PA applications, stage sound reinforcement, or SPL competitions. A precise alignment maximizes efficiency. Especially in larger venues, this results in a powerful and balanced high-frequency range.

What aspects should be considered when installing the VO-CT75 in a vehicle, and how do the dimensions affect the installation position?

Since the driver measures about 17.1 cm in width and 5.9 cm in height without the horn, sufficient installation depth must be considered if you want to place this high-frequency driver in doors or fixtures. Once you add the 8x8 horn, the mounting diameter increases to about 21 cm, requiring a significantly larger mounting surface. The depth increases to 21.6 cm, which should be carefully planned in particularly tight spaces in the vehicle. A solid mounting ensures that neither vibrations nor temperature or humidity fluctuations affect performance. With careful sizing, the driver can also be used in modified installation locations, provided that sufficient air circulation is ensured. This way, the sound character remains intact, even when space is limited.

What acoustic advantages arise from the combination of CNC-machined motor system and titanium voice coil in this compression driver?

The precisely CNC-machined motor system generates a homogeneous magnetic field, optimally driving the voice coil and delivering quick impulses without delay. At the same time, the titanium material contributes to robustness by withstanding strong temperature fluctuations and remaining mechanically stable. As a result, you get a powerful high-frequency reproduction that easily handles transient-rich music materials. Especially if you enjoy listening to loud music or want to cover large areas, you will feel the effectiveness of this interplay. The VO-CT75 is characterized by a remarkable level of speech intelligibility, which is advantageous in live situations or performances with many high vocal parts. The high-frequency representation remains detailed without losing energy or assertiveness.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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