Citronic CUBA High Power Active Sub Cabinet - Black - CUBA-18SA
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Maplin UKCitronic CUBA High Power Active Sub Cabinet (18in Driver)
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Product Information
Full details
The Citronic CUBA-18SA is a robust, high-output active subwoofer designed for professionals seeking to enhance their PA systems with deep, impactful bass. Its primary benefit is delivering a powerful 1200W RMS through a 15mm MDF cabinet, ensuring clear and dynamic low frequencies. A potential caveat is its size and weight, requiring dedicated transport and setup considerations. Key features include its internal DSP-controlled Class-D amplifier, durable polyurea coating, and convenient carrying handles.
All features
| Colour | Black |
|---|---|
| Series | CUBA |
| Model Part Number | 178.728UK |
| Brand | Citronic |
Extended Product Information
FAQs
What is the power output of the Citronic CUBA-18SA?
The CUBA-18SA features an internal Class-D amplifier delivering a powerful 1200W RMS output.
What is the frequency response range?
The frequency response is from 37Hz to 113Hz, optimized for reproducing deep bass frequencies.
What material is the cabinet made of?
The cabinet is constructed from 15mm MDF and coated in a durable textured polyurea material.
How do I connect other speakers to this subwoofer?
The CUBA-18SA is an active subwoofer. You typically connect your audio source to its input. It can be paired with full-range or satellite speakers mounted on its 35mm pole mount socket, with the satellite speakers covering mid and high frequencies.
Is this subwoofer suitable for small venues?
While powerful, its suitability for small venues depends on the overall system design and desired bass level. It excels at providing significant sub-bass reinforcement, which might be more than required for very intimate settings without careful level management.
Does it require a separate amplifier?
No, the CUBA-18SA is an active subwoofer, meaning it has an internal amplifier and does not require a separate external power amplifier.
How should I transport this subwoofer?
It features side carrying handles to aid in transport. Due to its size and weight, it is recommended to have at least two people for lifting and moving.
Troubleshooting
No sound output from the subwoofer.
Check that the subwoofer is powered on. Verify all audio cable connections are secure at both the source and the subwoofer input. Ensure the input level from the source is adequate and the volume control on the subwoofer (if applicable) is turned up.
Distorted or clipping sound.
Reduce the input signal level from your source to prevent clipping. Check that the subwoofer's volume is not set excessively high, which can cause distortion. Ensure the subwoofer is not being overdriven beyond its designed output capacity.
Subwoofer powers off unexpectedly.
This could indicate an overheat protection or amplifier protection circuit engaging. Ensure the ventilation ports are clear and the unit is not operating in an excessively hot environment. Reduce the output level or check for signal issues that might be causing amplifier strain.
Hum or buzz from the subwoofer.
Ensure all audio cables are properly shielded and connected. Try using balanced cables (XLR or TRS). Check if the subwoofer is on the same power circuit as other high-draw equipment, and consider using a power conditioner or ensuring proper grounding.
Pros and Cons
Pros
- High power output (1200W RMS) for significant sub-bass presence.
- Durable construction (15mm MDF, polyurea coating) for longevity.
- Integrated amplifier and DSP for streamlined setup and optimized performance.
- Designed for easy transport with side carrying handles.
- Versatile mounting options with a 35mm pole mount.
Cons
- Significant size and weight may require multiple people for handling and transport.
- Frequency response limit (37Hz-113Hz) means it excels at sub-bass but may need pairing with full-range speakers for higher frequencies.
- No integrated crossover controls mentioned, suggesting reliance on external processing or satellite speaker settings.
- Textured polyurea finish, while durable, may be susceptible to scuffing if not handled with care.
Setup, Compatibility & Care
Setup:
Connect a line-level audio source (e.g., from a mixer or DJ controller) to the input of the CUBA-18SA. Use appropriate balanced audio cables (XLR or 1/4" TRS) for optimal signal integrity. If using multiple subwoofers or integrating with satellite speakers, ensure proper signal routing and level matching. The 35mm pole mount socket allows for the attachment of a speaker pole, upon which a satellite speaker can be mounted.
Compatibility:
This active subwoofer is designed to complement higher output full-range cabinets or any PA system requiring potent sub-bass content. Ensure your audio source provides a suitable line-level signal. It integrates best with systems where the satellite speakers cover the mid and high frequencies.
Care:
To maintain the longevity of your CUBA-18SA:
- Cleaning: Wipe the exterior with a dry or slightly damp cloth. Avoid abrasive cleaners. The grille can be gently brushed or vacuumed to remove dust.
- Transportation: Always use the carrying handles. Protect the cabinet from significant impacts during transit. Consider using protective covers for extended transport.
- Environment: Avoid exposing the subwoofer to excessive moisture, extreme temperatures, or direct sunlight for prolonged periods.
- Ventilation: Ensure the amplifier's ventilation ports are not obstructed to prevent overheating.