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MartinLogan Helos 12 User Manual

MartinLogan Helos 12
24 pages
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user’s manual
Helos 12 Helos 22
Lawrence, Kansas, USA tel 785.749.0133 fax 785.749.5320 www.martinlogan.com
Rev. #112612©2012 MartinLogan Ltd. All rights reserved.
®
P.N. 9500089

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MartinLogan Helos 12 Specifications

MARTINLOGAN Helos 12

Audio Specifications IconAudio Specifications
system frequency response47–20, 000 Hz ± 3 dB
sensitivity89 dB @ 2.83 volts/ meter
impedance4 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.
crossover frequency2, 800 Hz
Driver Specifications IconDriver Specifications
high-frequency driver1” (2.5cm) neodymium soft dome
low-frequency driver6.5” (16.5cm) high-rigidity aluminum cone with extended throw drive assembly, thermal protection.
binding post inputsPush style binding posts, accommodates wire up to 5AWG.
Power and Amplification IconPower and Amplification
suitable amplifier range20–200 watts
maximum power handling100 watts
componentsCustom air core coils, polyester caps
Weight and Dimensions IconWeight and Dimensions
weight4.5 lbs. (2 kg)
overall size9.1” x 4.6” (23.1cm x 11.8cm)
required opening with tolerance8.35” (21.2cm)
projection from wall surface0.2” (4.5mm)
depth behind wall surface4.4” (11.2cm)

MARTINLOGAN Helos 22

Audio Specifications IconAudio Specifications
system frequency response47–20, 000 Hz ± 3 dB
sensitivity89 dB @ 2.83 volts/ meter
impedanceMono: 4 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers. Stereo: 8 Ohms per channel. Compatible with 4, 6, or 8 Ohm rated amplifiers.
crossover frequency2, 600 Hz
Driver Specifications IconDriver Specifications
high-frequency driverTwo 0.78” (1.9cm) neodymium soft dome
low-frequency driver6.5” (16.5cm) high-rigidity aluminum cone with extended throw drive assembly, thermal protection.
binding post inputsPush style binding posts, accommodates wire up to 5AWG.
Power and Amplification IconPower and Amplification
suitable amplifier range mono20–200 watts
suitable amplifier range stereo20–100 watts per channel
maximum power handling mono100 watts
maximum power handling stereo50 watts/channel
componentsCustom air core coils, polyester caps
Weight and Dimensions IconWeight and Dimensions
weight4.5 lbs. (2 kg)
overall size9.1” x 5.1” (23.1cm x 12.8cm)
required opening with tolerance8.35” (21.2cm)
projection from wall surface0.2” (4.5mm)
depth behind wall surface4.9 po (12.3 cm)

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