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A powerful 300 watt (900 watt peak) low-distortion, high-reliability amplifier gives Grotto i extremely articulate bass without need of exaggerated amplifier power ratings or transient-blurring ported or passive radiator enclosures common to many modern subwoofers. A proprietary servo system further ensures that output from Grotto i's 10-inch high-resolution aluminum cone woofer is dramatically free of distortion and provides a faithful replica of the audio input signal.
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Frequency Response
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22–120 Hz ±3dB; Anechoic through LFE effects input
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Low Pass Filter Frequency
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30, 35, 45, 55, 65, 80Hz
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High Pass Filter Frequency
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70Hz
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Low Frequency Transducer
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10" (25.4cm) high excursion, aluminum cone with extended throw drive assembly, sealed non-resonant asymmetrical chamber format
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Amplifier
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300W (at less than 0.5% THD)
900W (peak)
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Impedance
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Line level RCA: 20,000 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.
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Audio Controls
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±10dB at 25Hz
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Inputs
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Left/Right RCA Line Level, RCA LFE, Speaker Level
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Power Draw
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Max: 250 Watts
Idle: 15 Watts
Standby: 10 Watts
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Weight
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51 lbs. (23.2 kg)
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Dimensions
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18.6" × 15.2" × 13.8"
(47.3cm × 38.6cm × 35cm)
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The word mark MARTIN LOGAN® is a registered trademark of Martin Logan®, Lawrence, KS. The images of Martin Logan® equipment, components, and/or accessories depicted above may be copyrightable subject matter of Martin Logan®. Our company is not an authorized dealer of Martin Logan® products, but does maintain a stocking inventory of that company's products. As such, Martin Logan® reserves the right not to honor its factory warranty on this product. However, our store offers an equivalent warranty on all products sold.  | 
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