Citronic 8 Ohm High Power Sub Drivers - 18" 600W 8 Ohm
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Product Information
Full details
This 18-inch, 600W RMS high-power sub driver is designed for audio professionals and enthusiasts looking to enhance the low-frequency response in medium to large PA systems. Its key benefit is the ability to deliver high energy sub frequencies and explosive dynamics, directly replacing existing CASA series passive sub cabinets. A potential caveat is its specific impedance of 8 Ohms, requiring compatible amplification.
All features
| Model Part Number | SUBCASA-18B |
|---|---|
| Brand | Citronic |
Extended Product Information
FAQs
What is the impedance of this driver?
This driver has an impedance of 8 Ohms.
Can this driver be used in a sealed enclosure?
While designed for ported or folded cabinets, it may function in a sealed enclosure, but performance characteristics, particularly tuning and efficiency, will differ significantly. It is recommended to use it in enclosures designed for its specifications.
What is the RMS power handling of the SUBCASA-18B?
The RMS power handling is 600W.
What is the frequency response range?
The frequency response is from 35Hz to 3kHz.
Is this driver a direct replacement for any specific cabinet series?
Yes, it is designed as a direct replacement for Citronic CASA series passive sub cabinets.
What is the voice coil diameter?
The voice coil diameter is 76mm (3 inches).
What is the sensitivity of the driver?
The sensitivity is 97dB.
Troubleshooting
No sound output from the driver
Check that speaker cables are securely connected to both the driver terminals and the amplifier output. Verify the amplifier is powered on and set to an appropriate volume level. Ensure the amplifier is rated for an 8 Ohm load and is functioning correctly.
Distorted or rattling sound
Reduce the amplifier's output power to prevent overdriving the driver. Check if the driver cone or surround is physically damaged. Ensure the driver is securely mounted to the speaker enclosure and that there are no loose components within the cabinet.
Reduced bass output or poor low-frequency response
Confirm that the crossover frequency is set appropriately, allowing sufficient low frequencies to reach the subwoofer. Verify the enclosure's integrity; air leaks can significantly degrade bass performance. Ensure the amplifier is providing adequate power to the driver.
Driver overheating during prolonged use
Reduce the amplifier's output power or ensure the system is not being pushed beyond its designed capacity. Check that the voice coil and magnet structure are not obstructed and have adequate airflow if the enclosure design allows.
Pros and Cons
Pros
- Delivers powerful and dynamic low-frequency output.
- Robust construction ensures longevity and reliability.
- High sensitivity for efficient sound pressure level generation.
- Designed for easy integration into existing systems (CASA series replacement).
- Suitable for demanding PA system applications.
Cons
- Requires specific 8 Ohm impedance compatible amplification.
- Frequency response extends up to 3kHz, which may not be ideal for all mid-range applications without proper crossover.
- Dimensions (230x462mmØ) require adequate enclosure space.
- Weight (9.2kg) necessitates secure mounting.
Setup, Compatibility & Care
Setup: This driver is designed for installation into custom-built or existing ported or folded subwoofer cabinets. Ensure the cabinet is acoustically designed to match the driver's parameters for optimal performance. Connect the driver to an amplifier that can provide at least 600W RMS per channel at an 8 Ohm load. Use appropriate gauge speaker wire and secure terminals to prevent signal loss or intermittent connection.
Compatibility: Primarily designed as a direct replacement for Citronic CASA series passive sub cabinets. It operates at an 8 Ohm impedance, so ensure your amplifier or crossover system is compatible with 8 Ohm loads. The driver's physical dimensions (230mm depth, 462mm diameter) must fit within the intended enclosure.
Care: Keep the driver clean and free from dust and debris. A soft, dry cloth can be used for general cleaning. Avoid using water or cleaning solvents directly on the cone or frame. Ensure the enclosure provides adequate protection from moisture and extreme temperatures. Periodically check speaker connections for tightness and corrosion.