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Martin Logan ElectroMotion R

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The powerful EM-R is our largest ElectroMotion in-ceiling speaker. Utilizing a massive 8-inch high-excursion, high-resolution state-of-the-art woofer specially designed for accurate in-ceiling bass performance, the EM-R delivers powerful low-end bass with accuracy, authority and extension uncommon to traditional in-ceiling loudspeakers.


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.
MartinLogan's exquisite Folded Motion tweeter boasts a radiating surface 8-times larger than a typical 1" dome tweeter. The Folded Motion Tweeter works by moving air (which creates sound) perpendicular to the folded ridges of the diaphragm, similar to how an accordion works. 

This extremely low mass diaphragm "squeezes" air and requires almost 90% less excursion than the typical 1" dome tweeter, which drastically minimizes distortion while providing a lightning fast response time. The increased surface area also provides a wide, yet controlled sound dispersion to create a realistic and carefully etched sound stage.
MartinLogan's new architectural 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.
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.
The EM-R is suitable for any application in small to large rooms. Ideal for use in a multi-channel home theater as a surround speaker, in a kitchen as 2-channel stereo speaker, or in a hallway as part of a distributed audio system.


Frequência de resposta: 37–25kHz ±3dB

Dispersão: 80° x 80°

Sensibilidade: 92 dB/2.83 volt/metro

Impedância nominal: 4 Ohms. Compatível com 4, 6 ou 8 ohm

Potência recomendada do amplificador: 20-300 watts por canal

Frequência do crossover: 2,600 Hz

Transdutor de altas frequências: 2.6cm x 3.6cm Tweeter ondulado com 13.3cm x 4.4cm de diafragma.

Altifalante de baixas frequências: 20.3cm cone de alumínio.

Peso: 3.63kg (cada)

Diâmetro: 29.3cm,
Profundidade: 15.2cm

Dimensões do corte
Diâmetro: 26.7cm
Profundidade necessária: 15cm
Saliência: 0.3cm