SUB 9019-AS - Subwoofer RCF - Free user manual and instructions
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| Product Type | Powered Subwoofer |
| Brand | RCF |
| Model | SUB 9019-AS |
| Driver Size | 18 inches |
| Amplifier Power (RMS) | 1400 W |
| Peak Power | 2800 W |
| Frequency Response | 30 Hz - 120 Hz |
| Maximum SPL | 135 dB |
| Impedance | 4 ohms |
| Audio Input Connectors | XLR (balanced) and 1/4" (unbalanced) |
| Output Connectors | XLR (balanced) through |
| Crossover Frequency | 80-100 Hz (adjustable) |
| Phase Control | 0° / 180° |
| Protection Features | Thermal, overcurrent, DC protection |
| Power Supply | 200-240 V, 50/60 Hz |
| Power Consumption (max) | 2000 W |
| Dimensions (W x H x D) | 560 x 600 x 650 mm |
| Weight | 42 kg |
| Materials | Plywood with black textured finish |
| Grille | Steel with acoustic foam |
| Operating Temperature | 0°C to 40°C |
| Cooling | Convection with heatsink |
| Maintenance | Clean with a soft, dry cloth; avoid liquids |
| Safety | Do not expose to rain or moisture; use correct voltage |
| Spare Parts & Repairability | Contact RCF authorized service centers |
| General Information | Professional subwoofer for live sound and installs |
Frequently Asked Questions - SUB 9019-AS RCF
How do I connect the SUB 9019-AS to my mixer?
Use a balanced XLR cable from the mixer's main output to the subwoofer's input. If using an unbalanced source, connect to the 1/4" input. Ensure the subwoofer is powered off before connecting.
What is the recommended crossover frequency?
For typical live sound, set the crossover between 80 and 100 Hz. Adjust based on your main speakers and room acoustics.
Can I daisy chain multiple SUB 9019-AS units?
Yes, use the XLR through output to connect to the next subwoofer. Ensure the total impedance is not below the amplifier's minimum rating.
What does the phase switch do?
The phase switch (0° or 180°) aligns the subwoofer's output with the main speakers. Set to 0° for most setups; if bass seems canceled, try 180°.
Why is my subwoofer not producing sound?
Check the power supply, input cables, and that the subwoofer is turned on. Verify that the mixer's output is active and the crossover settings are correct. Also check the internal amplifier's status LED.
Can I use the SUB 9019-AS outdoors?
This subwoofer is designed for indoor use. If used outdoors, protect it from rain and direct sunlight. Do not expose to moisture.
What type of power cord does it use?
The subwoofer uses a standard IEC C13 power cord. It operates on 200-240 V AC, 50/60 Hz. Use a surge protector for added safety.
How do I store the subwoofer?
Store in a dry, clean environment. Cover the subwoofer to protect from dust. Avoid extreme temperatures. Remove the power cord and any connected cables.
The subwoofer is making a humming noise. What should I do?
Humming often comes from ground loops. Use balanced cables and ensure all equipment shares the same power source. Try disconnecting the input cable to isolate the issue.
Where can I get spare parts or service?
Contact RCF authorized service centers. Do not open the subwoofer yourself; high voltages inside can be dangerous. Refer to the manual for a list of service centers.
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USER MANUAL SUB 9019-AS RCF
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Product information
Brand : RCF
Model : SUB 9019-AS
Category : Subwoofer