4.Troubleshooting
Symptoms | Causes | Solutions |
Bass sounds distorted | Amplifier is at maximum output | Lower volume or receiver level control |
Receiver tone controls are set too high | Set bass flat; use tone controls sparingly | |
Distortion with volume control near | Defective receiver or preamplifier, or | Repair defective receiver, preamplifier or |
minimum | shorted speaker wires | replace speaker wires |
Distortion on music peaks or sound | Dynamic soundtrack (e.g., explosions) | Turn down volume control to lower overall |
effects |
| range |
Buzz, hum, or crackle when connecting | Connecting wires with power on causes | Connect wires only when system power |
wires | transient signal spikes | is Off |
Buzz or hum when system is On | Grounding problem or ground loop | Check receiver or preamplifier manual for |
help in eliminating a ground loop | ||
No sound after listening at | Amplifier’s thermal protection has been | Lower subwoofer volume and allow |
amplifier to cool down; sound should | ||
| temporarily activated | resume automatically |
5.specifications
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Speaker Type | 12” Ported Design Subwoofer | 15” Ported Design Subwoofer |
| ±3 dB 43 Hz to 300 Hz LFE in, | ±3 dB 40 Hz to 300 Hz LFE in, |
Frequency Response | 44 Hz to 180 Hz left or right in | 41 Hz to 190 Hz left or right in |
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| ±10 dB 38 Hz to 350 Hz LFE in, | ±10 dB 34.5 Hz to 430 Hz LFE in, |
| 39 Hz to 225 Hz left or right in | 35.5 Hz to 225 Hz left or right in |
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Frequency Range | ||
Amplifier Power | 250 W RMS | 250 W RMS |
Dimensions | 18.2” x 13.8” x 20.5” | 24.1” x 17” x 22.9” |
(HxWxD) | 460 mm x 350 mm x 520 mm | 610 mm x 430 mm x 580 mm |
Net Weight | 48 lbs / 21.7 kg | 68 lbs / 30.8 kg |
LF Driver | 12” Paper cone foam half roll cast | 15” Paper cone foam half roll cast |
| frame woofers | frame woofers |
Input Connectors | L&R + LFE RCA, and speaker | L&R + LFE RCA, and speaker |
| level barrier strips | level barrier strips |
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