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TM
™
H e l o s 10
u s e r ’ s m a n u a l
®
Ma rt i n Lo g a n
the loudspeaker technology company
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Contents and IntroduCtIon Contents Introduction Contents and Introduction . . . . . . . . . . . . . .2 . . . . C . ongratulations! You have invested in a new world Contents of high performance audio! Introduction Placement . . . . . . . . . . . . . . . . . . . . . .3 . . . . Th .e . M . ar . tin . Logan Helos 10 represents the culmination of Installation . . . . . . . . . . . . . . . . . . . . .4 . . . .a . n . int . en . si . ve, dedicated group research program directed Painting and
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Pla Cement — Place the front and center channels between 7 to 10 feet When choosing placement for the Helos 10, follow these (214 to 305cm) from the primary listening position. simple tips: — Point the tweeter of all speakers towards the primary — Place the Helos 10 a minimum of 12" (30cm) from any listening position. wall. 12 ” 12 ” M in . Min. 12” Min . 7’–10’ 7’–10’ Figure 1 . 2-channel installation. Figure 2 . Adding a center channel to create a 3-channel installation. Figure 3 . Adding
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ItI allanst on NOTE: These instructions must be carefully followed to assure that your Helos 10 is safely installed. Study them thoroughly before installing your Helos 10. NOTE: The following instructions assume the mounting surface is of standard wood frame and standard sheet rock construction. If you wish to mount the Helos 10 to another type of material, you should consult a bonded contractor. Warning! Before installing check local building codes to verify com- pliance with local regula
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Figure 6 . Installation steps 1–3. Figure 7 . Installation step 4. 1 Using a stud finder, locate the final speaker position 4 Use a dry wall knife/saw to cut out the opening. between ceiling joists. WARNING! Absolutely no part of the template should overlap a joist. 2 Insert a push pin in the template center. 3 Mark cutout through slots in template. Remove Template. Installation Ceiling Joist Ceiling Joist
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Figure 8 . Connecting the Helos 10. Figure 9 . Installation step 6–7. 5 Connect speaker cable. Be consistent when connecting 6 Place speaker in hole. speaker leads to the terminals on the Helos 10. Take great care to assign the same color to the (+) terminal 7 Use a 2-inch long #2 Phillips driver and an electric on both the speaker and the amplifier. drill to lock all 3 mounting locks in place. Use a low clutch setting on the drill. WARNING! Turn your amplifier off before making or breaking
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Figure 10 . Installation step 8. Figure 11 . Installation step 9. 8 Gently pivot the tweeter stem to point towards the pri- 9 Gently press the grill cover into place. mary listening position. To rotate the speaker, rotate the entire speaker assembly. DO NOT rotate the tweeter stem. Installation
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CustomIzIng and PaIntIng Painting the Speaker Frame Painting the Speaker Grill Figure 12 . Painting the speaker frame. Figure 13 . Painting the speaker grill. NOTE: The Helos 10 can be either painted in place or IMPORTANT! The grill must be removed from the speaker removed from the ceiling for painting. before painting. IMPORTANT! Do not paint the rear of the speaker or the IMPORTANT! The scrim must be removed before painting surface behind the grill. the grill. 1 Remove the grill from the Hel
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Fyrequentl a sked q uestIons and t roubleshootIng Frequently Asked Questions Troubleshooting How do I clean my speakers? Output Just use a dust free cloth or a soft brush to remove the • Check that all your system components are turned on. dust from your speakers. We recommend a specialty • Check your speaker wires and connections. cloth (available at the Xtatic shop at www.martinlogan. • Check all interconnecting cables. com) that cleans your speakers better than anything else we have tried. D
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g eneral InFtI orma on Specifications Warranty and Registration System Frequency Response Your Helos 10 speaker is provided with an automatic Limited 47–20,000 Hz ± 3 dB 90 Day Warranty coverage. Sensitivity You have the option, at no additional charge, to receive a 89 dB/2.83 volts/meter (mounted in ceiling) Limited 5 Year Warranty coverage. To obtain the Limited 5 Year Warranty coverage you need to complete and return Impedance the Certificate of Registration, included with your speakers,
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g lossary oF a udIo t erms AC . Abbreviation for alternating current. Diffraction . The breaking up of a sound wave caused by some type of mechanical interference such as a cabinet Active crossover . Uses active devices (transistors, ICs, edge, grill frame or other similar object. tubes) and some form of power supply to operate. Diaphragm . A thin flexible membrane or cone that vibrates Amplitude . The extreme range of a signal. Usually mea- in response to electrical signals to produce sou
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Inductor . A device designed primarily to introduce induc- Resonance . The effect produced when the natural vibra- tance into an electrical circuit. Sometimes called a choke tion frequency of a body is greatly amplified by reinforcing or coil. vibrations at the same or nearly the same frequency from another body. Linearity . The extent to which any signal handling process is accomplished without amplitude distortion. Sensitivity . The volume of sound delivered for a given electrical input
