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MartinLogan Helos Series In-Ceiling Speakers (Single)
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MartinLogan Helos Series In-Ceiling Speakers (Single)

MartinLogan Helos Series In-Ceiling Speakers (Single)

Helos Series speakers deliver legendary MartinLogan quality and performance in compact, high-resolution in-ceiling loudspeakers. Models feature aimable neodymium soft dome tweeters, high-rigidity aluminum cone woofers, and proprietary Vojtko crossover topology.

Helos 12
Helos CI Series in-ceiling speakers have unique Neodymium Soft-Dome aimable tweeters, providing wide dispersion, making them ideal for any channel in a traditional or object-based surround application(Dolby Atmos/DTS:X).

Helos 22
Helos 22 is a high-resolution stereo in-ceiling loudspeaker featuring dual 0.75-inch neodymium soft dome tweeters, an aluminum cone woofer, and proprietary Vojtko crossover topology.

Model Helos 12 Helos 22
Frequency Response 47–20,000 Hz ±3dB 47–20,000 Hz ±3dB
Aiming Pivoting Tweeter Stem Pivoting Tweeter Stem
Recommended Amplifier Power 20—200 watts per channel 20—100 watts per channel
Sensitivity 89 dB/2.83 volts/meter 89 dB/2.83 volts/meter
Impedance
  • 4 Ohms
  • Compatible with 4, 6, or 8 Ohm rated amplifiers.
  • Mono: 4 Ohms.
  • Stereo: 8 Ohms × 8 Ohms
  • Compatible with 4, 6, or 8 Ohm rated amplifiers.
Crossover 2800 Hz 2600 Hz
High Frequency Transducer 1" (2.5 cm) neodymium soft-dome tweeter Two 0.75" (1.9 cm) neodymium soft-dome tweeters
Low Frequency Transducer 6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection 6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection
Cut-Out Dimensions 8.35" dia.
(21.2 cm dia.)		 8.35" dia.
(21.2 cm dia.)
Projection From Wall Surface 0.2" (.45cm) 0.2" (.45cm)
Depth Behind Wall Surface 4.4" (11.2 cm) 4.9" (12.3 cm)
Rough In Bracket (sold separately) $40.00 $40.00


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From $145.55
MartinLogan Helos Series In-Ceiling Speakers (Single)—
$145.55

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MartinLogan Helos Series In-Ceiling Speakers (Single)

Helos Series speakers deliver legendary MartinLogan quality and performance in compact, high-resolution in-ceiling loudspeakers. Models feature aimable neodymium soft dome tweeters, high-rigidity aluminum cone woofers, and proprietary Vojtko crossover topology.

Helos 12
Helos CI Series in-ceiling speakers have unique Neodymium Soft-Dome aimable tweeters, providing wide dispersion, making them ideal for any channel in a traditional or object-based surround application(Dolby Atmos/DTS:X).

Helos 22
Helos 22 is a high-resolution stereo in-ceiling loudspeaker featuring dual 0.75-inch neodymium soft dome tweeters, an aluminum cone woofer, and proprietary Vojtko crossover topology.

Model Helos 12 Helos 22
Frequency Response 47–20,000 Hz ±3dB 47–20,000 Hz ±3dB
Aiming Pivoting Tweeter Stem Pivoting Tweeter Stem
Recommended Amplifier Power 20—200 watts per channel 20—100 watts per channel
Sensitivity 89 dB/2.83 volts/meter 89 dB/2.83 volts/meter
Impedance
  • 4 Ohms
  • Compatible with 4, 6, or 8 Ohm rated amplifiers.
  • Mono: 4 Ohms.
  • Stereo: 8 Ohms × 8 Ohms
  • Compatible with 4, 6, or 8 Ohm rated amplifiers.
Crossover 2800 Hz 2600 Hz
High Frequency Transducer 1" (2.5 cm) neodymium soft-dome tweeter Two 0.75" (1.9 cm) neodymium soft-dome tweeters
Low Frequency Transducer 6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection 6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection
Cut-Out Dimensions 8.35" dia.
(21.2 cm dia.)		 8.35" dia.
(21.2 cm dia.)
Projection From Wall Surface 0.2" (.45cm) 0.2" (.45cm)
Depth Behind Wall Surface 4.4" (11.2 cm) 4.9" (12.3 cm)
Rough In Bracket (sold separately) $40.00 $40.00


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Description

Helos Series speakers deliver legendary MartinLogan quality and performance in compact, high-resolution in-ceiling loudspeakers. Models feature aimable neodymium soft dome tweeters, high-rigidity aluminum cone woofers, and proprietary Vojtko crossover topology.

Helos 12
Helos CI Series in-ceiling speakers have unique Neodymium Soft-Dome aimable tweeters, providing wide dispersion, making them ideal for any channel in a traditional or object-based surround application(Dolby Atmos/DTS:X).

Helos 22
Helos 22 is a high-resolution stereo in-ceiling loudspeaker featuring dual 0.75-inch neodymium soft dome tweeters, an aluminum cone woofer, and proprietary Vojtko crossover topology.

Model Helos 12 Helos 22
Frequency Response 47–20,000 Hz ±3dB 47–20,000 Hz ±3dB
Aiming Pivoting Tweeter Stem Pivoting Tweeter Stem
Recommended Amplifier Power 20—200 watts per channel 20—100 watts per channel
Sensitivity 89 dB/2.83 volts/meter 89 dB/2.83 volts/meter
Impedance
  • 4 Ohms
  • Compatible with 4, 6, or 8 Ohm rated amplifiers.
  • Mono: 4 Ohms.
  • Stereo: 8 Ohms × 8 Ohms
  • Compatible with 4, 6, or 8 Ohm rated amplifiers.
Crossover 2800 Hz 2600 Hz
High Frequency Transducer 1" (2.5 cm) neodymium soft-dome tweeter Two 0.75" (1.9 cm) neodymium soft-dome tweeters
Low Frequency Transducer 6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection 6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection
Cut-Out Dimensions 8.35" dia.
(21.2 cm dia.)		 8.35" dia.
(21.2 cm dia.)
Projection From Wall Surface 0.2" (.45cm) 0.2" (.45cm)
Depth Behind Wall Surface 4.4" (11.2 cm) 4.9" (12.3 cm)
Rough In Bracket (sold separately) $40.00 $40.00