Martin Logan 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).
Martin Logan Helos 12 In Ceiling Speaker
Designed to Aim at the Listening Position
Helos 12 features a high-resolution neodymium tweeter mounted on a pivoting tweeter stem that easily aims at the primary listening location. This design allows the audience to enjoy the highest levels of in-ceiling audio performance, while still providing rich, detailed sound throughout the entire room.
47–20,000 Hz ±3dB
Pivoting Tweeter Stem
20—200 watts per channel
89 dB/2.83 volts/meter
4 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers.
2800 Hz
1" (2.5 cm) neodymium soft-dome tweeter
6.5" (16.5 cm) cast basket, high rigidity aluminum cones with extended throw drive assembly, thermal protection
Air core coils, polyester capacitors
Binding posts
4.5 lbs. (2 kg)
8.35" dia.
(21.2 cm dia.)
.2" (.45cm)
4.4" (11.2 cm)
Installer Friendly
A robust mounting-lock system allows quick, trouble-free installation. When not in use, the constant-control mounting locks are held securely within a self-contained housing. When moved into place during installation, they couple the speaker's chassis firmly to the ceiling. And if the speaker is ever removed, the locks retract and latch themselves back in their housings.
Each Helos 12 speaker comes with a full-size installation template that features quick-reference instructions, and die-cut guides for marking the cutout hole.
Stealthy Grilles
MartinLogan's new Helos speakers feature ultra-low profile, paintable micro perforated grilles with no visible bezel for an near invisible integration into any wall or ceiling. A magnetic system secures grilles easily into place, reducing the risk of warping or damage during installation.
Precision-Built, Advanced-Topology Vojtko™ Crossover
Carefully hand-built using only the finest polyester capacitors and air-core coils, the crossover employ's MartinLogan's proprietary Vojtko topology for vanishingly low distortion and seamless driver integration. This precision-tuned network preserves even the most microscopic sonic nuances while handling the full dynamics of any source.
Multi Application Use
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).
ONE at the front of a room for a 5.1 or 7.1 center channel.
TWO at the front of a room for stereo sound or 5.1 or 7.1 left/right front channels.
TWO at the rear of a room for 5.1 left/right rear channels.
TWO at the side of a room for 7.1 left/right side surround channels.
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