Helos™ 12 Helos™ 22 user’s manual ® Lawrence, Kansas, USA P.N. 9500089 tel 785.749.0133 fax 785.749.5320 ©2012 MartinLogan Ltd. All rights reserved. www.martinlogan.com Rev.
FREQUENTLY ASKED QUESTIONS How do I clean my speakers? Just use a dust free cloth or a soft brush to remove the dust from your speakers. Do not spray any kind of cleaning agent on or in close proximity to the drivers. What size amplifier should I use? We recommend an amplifier rated within the suitable amplifier range of your speaker. success. Again, we have no favorites; we use electronics and cables quite interchangeably.
GENERAL INFORMATION WARRANTY INFORMATION Your speakers are provided with an automatic Limited 90 Day Warranty coverage. You have the option, at no additional charge, to receive a Limited 5 Year Warranty coverage.
SPECIFICATIONS* *Specifications are subject to change without notice. Speaker Model. . . . . . . . . . . . . MARTINLOGAN Helos 12 MARTINLOGAN Helos 22 System Frequency Response . . 47–20,000 Hz ± 3 dB 47–20,000 Hz ± 3 dB 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. Compatible with 4, 6, or 8 Ohm rated amplifiers.
