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The Martin Logan Helos 22 is a high-resolution stereo in-ceiling loudspeaker. It features dual 0.75-inch neodymium soft dome tweeters, an aluminum cone woofer, and proprietary Vojtko crossover topology.
NOTE: PRICE IS PER PAIR
Technical Specifications:
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Frequency Response
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47–20,000 Hz ±3dB
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Aiming
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Pivoting Tweeter Stem
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Recommended Amplifier Power
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20—200 watts per channel
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Recommended Amplifier Power (Stereo)
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20 watts × 20 watts ‒ 100 watts × 100 watts
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Sensitivity
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89 dB/2.83 volts/meter
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Impedance
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Mono: 4 Ohms. Stereo: 8 Ohms × 8 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers.
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Crossover Frequency
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2600 Hz
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High Frequency Transducer
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Two 0.75" (1.9 cm) neodymium soft-dome tweeters
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Low Frequency Transducer
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6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection
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Components
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Air core coils, polyester capacitors
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Inputs
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Stereo binding posts (bridge for mono)
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Weight
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4.5 lbs. (2 kg)
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Cut-Out Dimensions
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8.35" dia.
(21.2 cm dia.)
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Projection From Wall Surface
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.2" (.45cm)
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Depth Behind Wall Surface
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4.9" (12.3 cm)
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