SUB-1800PRO - Loudspeaker Steren - Free user manual and instructions
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| Product Type | Powered Subwoofer |
| Brand | Steren |
| Model | SUB-1800PRO |
| Category | Loudspeaker |
| Driver Size | 18 inches |
| Power Output (Peak) | 1800 W |
| Power Output (RMS) | 900 W |
| Frequency Response | 30 Hz - 200 Hz |
| Input Connections | XLR and RCA line inputs |
| Output Connections | XLR link output |
| Controls | Volume, crossover frequency, phase switch |
| Enclosure Material | 18 mm MDF |
| Grille Material | Perforated steel |
| Dimensions (W x H x D) | 600 x 700 x 650 mm |
| Weight | 38 kg |
| Power Supply | AC 110-240 V, 50/60 Hz |
| Mounting | Floor standing |
| Protection Features | Overload, thermal, and short-circuit protection |
| LED Indicators | Power, signal, and clip LEDs |
| Maintenance | Wipe with a dry, soft cloth; check connections periodically |
| Safety Warnings | Do not expose to rain or moisture; ensure proper ventilation |
| Spare Parts | Replacement fuse and woofer available |
| Repairability | Amplifier module is replaceable |
Frequently Asked Questions - SUB-1800PRO Steren
How do I connect the SUB-1800PRO to my mixer?
Use an XLR or RCA cable from your mixer's line output to the subwoofer's input. For optimal crossover performance, connect the mixer's subwoofer output directly if available.
What is the recommended crossover frequency?
The built-in crossover allows adjustment from 30 Hz to 200 Hz. For most systems, set it between 80 Hz and 120 Hz so the sub blends seamlessly with your main speakers.
Can I use this subwoofer outdoors?
The SUB-1800PRO is designed for indoor use. Avoid rain and extreme humidity to protect the amplifier and speaker driver.
Why is the subwoofer not producing sound?
Check that the power LED is on, the volume knob is turned up, and the audio cable is secure. Also verify the phase switch and crossover settings.
How do I daisy-chain two subwoofers?
Connect the XLR link output of the first subwoofer to the input of the second. This ensures a clean signal path and easier setup for larger venues.
What is the difference between peak and RMS power?
Peak power (1800 W) is the maximum short-term output, while RMS power (900 W) represents continuous power handling. Always match RMS ratings with other gear for safe operation.
How should I maintain the subwoofer?
Clean the enclosure with a dry, soft cloth, occasionally inspect speaker connections, and keep the ventilation slots free of dust.
Can I adjust the phase on this subwoofer?
Yes, the phase switch (0°/180°) lets you align the subwoofer's output with your main speakers for better bass response in the room.
What type of fuse does it use?
It uses a standard T10A 250V fuse. For replacements, contact Steren authorized service centers to ensure the correct rating.
Is the SUB-1800PRO repairable?
Yes, both the amplifier module and woofer are replaceable parts. Contact Steren service for spare parts and professional repair.
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USER MANUAL SUB-1800PRO Steren
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Product information
Brand : Steren
Model : SUB-1800PRO
Category : Loudspeaker