HDL 53-AS - Loudspeaker RCF - Free user manual and instructions
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| Product Type | Active 2-way loudspeaker |
| Brand | RCF |
| Model | HDL 53-AS |
| Amplification | Built-in Class-D amplification |
| Power Output | 300 W RMS (bi-amplified) |
| Frequency Response | 65 Hz - 20 kHz |
| Maximum SPL | 128 dB peak |
| Low-Frequency Driver | 5" neodymium woofer |
| High-Frequency Driver | 1" compression driver |
| Crossover Frequency | 1.8 kHz |
| Input Connectors | 2 x XLR/TRS combo jacks |
| Output Connectors | 1 x XLR link output |
| Controls | Volume knob, EQ switch |
| Enclosure Material | Polypropylene compound |
| Grille | Powder-coated steel |
| Mounting Options | Pole mount, wall mount brackets |
| Power Supply | 100-240 V AC, 50-60 Hz |
| Dimensions (W x H x D) | 175 mm x 300 mm x 200 mm |
| Weight | 5.5 kg |
| Cooling | Convection |
| Protection Features | Overload, thermal, short circuit |
| Maintenance | Clean grille and enclosure with damp cloth |
| Safety | CE certified, use with proper stand |
| Repairability | Modular amplifier module replaceable |
Frequently Asked Questions - HDL 53-AS RCF
How do I connect the RCF HDL 53-AS to a mixer?
Use a balanced XLR or TRS cable from the mixer's main output to one of the combo input jacks. Make sure the volume knob is turned down before connecting, then adjust levels to avoid distortion.
What is the recommended mounting position for the HDL 53-AS?
The HDL 53-AS can be mounted on a speaker stand at ear level or placed on a flat surface. For optimal sound dispersion, keep at least 20 cm of space around the rear and sides for ventilation.
Can I use the HDL 53-AS as a floor monitor?
Yes, the cabinet has a dedicated angle (usually 45°). Position it on the floor slightly behind the microphones to minimize feedback, and use the EQ switch to reduce low frequencies if necessary.
What type of cable should I use for the input connection?
Always use a shielded balanced audio cable (XLR or TRS) to reduce noise and interference. Avoid using unbalanced cables longer than 3 meters, as they can pick up hum.
How do I clean the loudspeaker grille?
Use a soft damp cloth to wipe the grille and cabinet. Do not spray water directly on the speaker. For stubborn dirt, use a mild non-abrasive cleaner. Ensure the unit is unplugged before cleaning.
What does the power LED indicator mean?
A solid green LED indicates the speaker is powered on and operating normally. A red LED warns of overload or thermal protection. In that case, reduce the volume and allow the unit to cool down.
How do I avoid feedback when using microphones?
To prevent feedback, keep microphones behind the loudspeaker, use cardioid microphones, reduce the gain on the mixer, and use the HPF (high-pass filter) if available. Also, avoid pointing microphones directly at the speaker.
What is the warranty period for the HDL 53-AS?
RCF offers a 2-year warranty on active loudspeakers. The warranty covers manufacturing defects but not damage caused by misuse, water, or overloading. Keep your proof of purchase.
Can I add additional HDL 53-AS speakers for more coverage?
Yes, you can link multiple HDL 53-AS speakers using the XLR link output. Connect the output of the first speaker to the input of the next, and set the same volume and EQ settings on each unit for consistent coverage.
How do I transport the HDL 53-AS safely?
Use a padded speaker bag or the original packaging. Remove any detachable cables. Place the speaker upright and secure it to avoid movement during transport. Store in a dry, temperature-controlled environment.
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USER MANUAL HDL 53-AS RCF
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Product information
Brand : RCF
Model : HDL 53-AS
Category : Loudspeaker