SuperCube Reference - Subwoofer DEFINITIVE TECHNOLOGY - Free user manual and instructions
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| Product Type | Powered subwoofer |
| Brand | Definitive Technology |
| Model | SuperCube Reference |
| Amplifier Output Power | 2000 Watts peak (500 Watts RMS) |
| Frequency Response | 16 Hz – 200 Hz |
| Driver Type | 8-inch long-throw woofer |
| Passive Radiators | 2 x 8-inch sub-bass radiators |
| Enclosure Type | Sealed cabinet with dual passive radiators |
| Inputs | 1 x LFE/RCA line input, 1 x speaker-level input |
| Outputs | 1 x satellite speaker output (speaker-level) |
| Controls | Volume, Crossover (40-200 Hz), Phase (0°/180°) |
| Dimensions (W x H x D) | 14.75" x 15.5" x 16.5" (37.5 x 39.4 x 41.9 cm) |
| Weight | 50 lbs (22.7 kg) |
| Power Requirements | 120V~60Hz (US models) |
| Power Consumption | 1000 Watts max, <1W standby |
| Color | Black |
| Included Items | Power cord, owner's manual |
| Recommended Placement | Corner or along a wall for increased bass output |
| Maintenance | Check and tighten cabinet screws periodically |
| Cleaning | Wipe with a dry cloth |
| Safety | Do not place near heat sources or in direct sunlight |
| Repairability | Replaceable amplifier module and drivers; contact customer service for parts |
Frequently Asked Questions - SuperCube Reference DEFINITIVE TECHNOLOGY
How do I connect the SuperCube Reference to my AV receiver?
Use the LFE or subwoofer pre-out on your receiver and connect it to the LFE/RCA input. If your receiver lacks a subwoofer output, use the speaker-level inputs by connecting from your amplifier's speaker terminals.
What is the optimal crossover frequency setting?
Set the crossover on your receiver or subwoofer to 80 Hz for most home theater systems. You can adjust higher or lower based on your speakers' capabilities. Use the subwoofer's low-pass filter knob if connecting via speaker-level.
How do I adjust the phase?
The phase switch (0° or 180°) aligns your subwoofer's output with that of your satellite speakers. Try both positions and choose the one with the fullest bass at your listening position.
How do I clean and maintain the subwoofer?
Dust the cabinet with a soft dry cloth. Avoid using any liquids or harsh chemicals. Periodically check and tighten the cabinet screws to prevent rattling.
What should I do if there is no sound from the subwoofer?
Check all connections, ensure the subwoofer is powered on and the volume is turned up. Verify that your receiver's subwoofer output is enabled and that the crossover is not set to LFE or filtered out. Test with a different cable if possible.
Can I use this subwoofer with a stereo system without a subwoofer output?
Yes, connect the speaker-level inputs from your amplifier's speaker terminals. Set the subwoofer's crossover to match your main speakers and use the built-in high-pass filter if available to prevent your main speakers from reproducing deep bass.
What are the passive radiators used for?
They enhance the low-frequency output and extend the bass response without the need for a ported enclosure, resulting in tighter and deeper bass.
Is the SuperCube Reference magnetically shielded?
No, it is not magnetically shielded. Place it at least 3 feet away from CRT televisions or sensitive magnetic devices.
How to place the subwoofer for best performance?
Try placing it in a corner or along a wall to reinforce bass output. Avoid placing it in the center of the room. Experiment with location and use a subwoofer crawl to find the smoothest response.
What is the power consumption and standby mode?
The subwoofer consumes up to 1000 Watts at maximum output and less than 1 Watt in standby mode. To save energy, turn it off when not in use or enable auto-standby.
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USER MANUAL SuperCube Reference DEFINITIVE TECHNOLOGY
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Product information
Brand : DEFINITIVE TECHNOLOGY
Model : SuperCube Reference
Category : Subwoofer