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VO-CT55-B

VO-CT55-B

Technical Highlights

  • 2-inch voice coil, 100W RMS, 8 Ohm impedance, 1,000–20,000 Hz.
  • Sensitivity 109 dB SPL, brilliant titanium diaphragm, 400W peak.
  • CNC high-performance motor, flexible mounting, ideal for car hi-fi.
  • More technical details
€80.00
€80.00 €80.00
2% discount with credit card

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ProductVO-CT55-B

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DD Audio-VO-CT55-B-Horn-Hochtöner-masori-kaufen
€80.00
€80.00 €80.00

The DD Audio VO-CT55-B is a horn Tweeter that impresses with its high volume and clear high-frequency reproduction. Equipped with a CNC-manufactured high-performance motor and a pressed titanium diaphragm, the VO-CT55-B stands out with remarkable efficiency and durability. This compression driver is ideal for car Hi-Fi projects, PA systems, and show vehicles. The 2-inch voice coil can handle up to 100 Watts RMS, and the frequency range of 1,000 to 20,000 Hz offers excellent clarity and punch. The VO-CT55-B can be mounted flexibly and, thanks to a sensitivity of 109 dB SPL, is well-suited for loud environments. With an impedance of 8 Ohm, it is compatible with many amplifiers and integrates seamlessly into systems with DD Audio VO-W woofers.

Features

  • CNC-manufactured high-performance motor with high magnetic flux density
  • Pressed titanium diaphragm for brilliant distortion-free high-frequency reproduction
  • 2-inch voice coil for high durability
  • Extreme efficiency with 109 dB SPL
  • Versatile and flexible mounting options

Technical Data

  • Rated power RMS 100 W
  • Program power 400 W
  • Impedance 8 Ohm
  • Voice coil 50 mm
  • Frequency range 1,000 – 20,000 Hz
  • Sensitivity 109 dB SPL

Frequently Asked Questions about VO-CT55-B

What makes the DD Audio VO-CT55-B compression driver so powerful?

Its CNC-machined high-performance motor ensures precise focusing of the magnetic field, while the pressed titanium diaphragm allows for fast impulse processing. The combination of a lightweight diaphragm and a strong motor results in high efficiency, enabling even delicate highs to be reproduced clearly. Thanks to the 2-inch voice coil, around 100 watts RMS can be safely handled even at high levels, allowing for robust music operation. With 400 watts program power, there is also sufficient power reserve available. The sensitivity of 109 dB SPL means that powerful highs can be generated even with low amplifier power. The flexible connection situation with 8 Ohm impedance simplifies use in various amplifier combinations without compromise. This promotes consistently clear high-frequency representation.

What advantages does the titanium diaphragm offer in a horn tweeter with a CNC-machined high-performance motor?

The DD Audio VO-CT55-B uses a pressed titanium diaphragm to produce extremely robust and distortion-free high frequencies. Titanium offers a special ratio of stiffness to mass, allowing for high sound levels without audible distortion. In conjunction with the precisely manufactured CNC motor, the moving parts are optimally controlled, enabling fast transients to be transmitted effortlessly. Especially when driving high levels, clarity benefits enormously from the low mass of the diaphragm, as it responds accurately to impulses and reproduces even dynamic musical passages soberly. Additionally, titanium is thermally very resilient, making the driver particularly durable. Music with high frequency components can thus appear impressively detailed.

Frequently asked: How does the DD Audio VO-CT55-B perform in terms of load capacity and efficiency?

This compression driver can handle up to 100 Watts RMS permanently thanks to its 2-inch voice coil, providing sufficient reserves for demanding music genres. An additional plus is the program power of 400 Watts, allowing it to easily withstand short power peaks. Combined with the CNC-machined motor, it results in a high efficiency that ensures exceptional presence in the frequency range of 1,000 to 20,000 Hz. The titanium diaphragm remains stable even at high levels, resulting in very precise highs. Additionally, the impedance of 8 Ohm plays a crucial role as it facilitates easy integration into various car Hi-Fi or PA configurations. High levels are easily achievable, enhancing efficiency in loud applications.

How does the frequency range of 1,000 to 20,000 Hz affect high-frequency reproduction?

The DD Audio VO-CT55-B covers exactly those spectra that are crucial for brilliant highs, thanks to its wide frequency range. Starting at 1,000 Hz, one can seamlessly transition mid-focused influences into strong high-frequency components, which is particularly relevant in car Hi-Fi applications or professional PA systems. An upper cutoff frequency of 20,000 Hz allows even the finest overtones to be reproduced with clear structure. This creates a vivid sound image where sibilants remain distinctly defined. The wide bandwidth pays off especially in show vehicles with a loud-and-clear concept. The titanium diaphragm harmonizes well with this spectrum as it responds quickly and makes even delicate details precisely audible. At the same time, the dynamics in the highs remain very stable.

Can the DD Audio VO-CT55-B be easily integrated into car Hi-Fi projects?

Its mounting flexibility is based on the compact compression driver design, which can be adapted to different installation locations in the vehicle interior. The CNC-machined horn housing takes up little space and can be positioned to create the most direct sound radiation possible. Due to the 8 Ohm impedance, it can be easily combined with most car Hi-Fi amplifiers without significantly affecting their power output. The sensitivity of 109 dB SPL ensures that even small amplifiers can achieve high volumes, which is an important factor in show vehicles. Additionally, the frequency spectrum up to 20,000 Hz fits ideally with typical woofers and midrange drivers, allowing for seamless integration into complex systems. This results in particularly immense level reserves.

What role does the 2-inch voice coil play at high volumes and clear sound?

The DD Audio VO-CT55-B achieves particularly high load capacity due to its large 2-inch voice coil, as the larger winding area allows for better heat dissipation. Especially if you enjoy listening to music loudly, this design protects you from thermal overloads because the voice coil remains clean even during prolonged peaks. Additionally, the larger diaphragm connection ensures precise impulse reproduction, which favors clear highs even under full load. The diaphragm benefits from solid guidance, allowing frequency responses up to 20,000 Hz to be stably covered. Thanks to the robust construction, the reproduction remains low in distortion, while the 8-ohm connection allows for efficient power transfer with most amplifiers. Dynamic music sequences are also reproduced extremely cleanly.

What distinguishes the DD Audio VO-CT55-B compression driver in professional PA systems?

Its enormous sensitivity of 109 dB SPL is ideal for regular PA applications, as it requires less amplifier power for high volumes. The pressed titanium diaphragm withstands demanding stage situations without unpleasant clipping and effortlessly handles large level peaks. The CNC-machined high-performance motor significantly contributes to low-distortion operation, as the magnetic flux is very efficiently concentrated. With a frequency range up to 20,000 Hz, it can make even the finest overtones in the stage mix sound more brilliant. With an RMS power of 100 watts and 400 watts program power, typical load scenarios for live events are safely covered. The 2-inch voice coil also ensures sufficient continuous load capacity in intense sound reinforcement situations, keeping highs stable even over longer periods.

How relevant is the sensitivity of 109 dB SPL when used in loud environments?

The DD Audio VO-CT55-B is an extremely efficient tweeter for very loud environments, thanks to its sensitivity of 109 dB SPL. If you operate in outdoor areas or in show vehicles, you benefit from the fact that even moderate amplifier power can achieve significant sound pressure levels. The pressed titanium diaphragm showcases its strengths: it can quickly respond to sudden level changes, keeping the highs clear and assertive. Combined with the 8-ohm impedance, it allows for flexible connections to various amplifiers. Even when strong bass and mids dominate, the high sensitivity is noticeable, as it continuously represents the high-frequency range in detail. This way, you always maintain precise highs in the mix, providing ample headroom.

Is the DD Audio VO-CT55-B suitable for use in show vehicles and competitions?

Many competition and show vehicles rely on uncompromising projections in the high-frequency range. The combination of a CNC-machined high-performance motor and titanium diaphragm delivers exceptional precision in the frequency range up to 20,000 Hz, which pays off when vehicle doors are open or at exhibitions. The RMS power of 100 watts and 400 watts program load allows for high sound pressure over extended periods without critical distortion. Additionally, the 2-inch voice coil prevents premature overheating, which is advantageous in environments with constant loud sound. With a sensitivity of 109 dB SPL, impressive levels can be achieved with low amplifier power. Show effects benefit from the clear articulation in the upper frequency segment, resulting in particularly powerful high-frequency peaks.

What considerations are there for installation regarding impedance and connection?

When installing the DD Audio VO-CT55-B, the 8-ohm impedance is a crucial criterion to optimally match the system to the chosen amplifier. How can signal paths be effectively designed to avoid power fluctuations? You can use a crossover specifically designed for the 1,000–20,000 Hz range. Additionally, ensure a stable fastening of the CNC-machined housing so that the horn tweeter does not accidentally come loose. The 2-inch voice coil requires sufficient space to ensure air circulation and cooling. Also, pay attention to correct polarity to ensure the exact phase relationship with midrange drivers or a compatible DD Audio VO-W woofer. This keeps the high-frequency performance consistently stable.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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