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MartinLogan CW10 manual

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Table of contents for the manual

  • Page 1

    CW10 t m user ’s manual ®[...]

  • Page 2

    2 Thank you—the MartinLogan owner, for loving what we do, and making it possible for us to do what we love. Serial Numbers: _______________ Re co rd you r se ri al nu mb er s he re for eas y r ef er en ce . Yo u wi ll nee d t hi s in fo r- ma ti on whe n fil li ng out yo ur war ra nt y reg is tr at io n. CW1 0' s ser ia l nu mb er is lo ca t[...]

  • Page 3

    3 Contents 3 C ontents WARNING! • Hazardous voltages exist inside—do not remove cover. • Refer servicing to a qualified technician. • To prevent fire or shock hazard, do not expose this module to moisture. • Unplug subwoofer should any abnormal conditions occur. In accordance with the European Union WEEE (Waste Electrical and Electronic E[...]

  • Page 4

    4 Introduction & Installation in Brief I ntroduCtIon & I nstallatIon In B rIef Congratulations! Y ou have invested in one of the world's premier subwoofers. The MartinLogan CW10 represents the extension of an intensive, dedicated team research program direct- ed toward establishing a world class line of reference subwoofers using leadi[...]

  • Page 5

    LevelKnob Setting the level too h igh wi ll cau se the bass to s eem bl oat- ed and is the single most common cause of bad sounding subwoofers. A rule of thumb is that the subwoofer should not draw attention to itself, but should simply make the sys- tems low end seem more extended and accurate. PhaseControlSwitch The phase control is enti[...]

  • Page 6

    MartinLogan's engineering and design team developed the CW10 for easy setup and system integration. Before beginning to connect your CW10, please review the controls discussed in the last section. An understanding of these will help speed you along as you connect and inte- grate y our CW10 with y our syste m. All signal co nnections are done o[...]

  • Page 7

    This setup is recommended if your CW10 will be used in a dedicated home theater or multi-channel system. When a signa l is connec ted to the sub woof er’s LFE input, and the crossover switch is set to 'Bypass (LFE In)' the internal low pa s s fi lt er i s n ot a ct i ve . By f o ll ow i ng t hi s s et up , y ou w il l al l ow yo u r pr [...]

  • Page 8

    8 Connections and Control Settings AC Power Connection Replacing the Fuse The power cord should be firmly inserted into any conve- nient AC wall outlet. The CW10 also integrates a signal sensing power supply that automatically switches off after sensing no music signal for several minutes (this will cause the status LED to turn off). Your CW10 subw[...]

  • Page 9

    P laCement Placement 9 Generally, subwoofers have the most output when placed in the corner of a room. However, this can also exagger- ate the subwoofers output making blending difficult. We recommend starting by placing the CW10 in a corner. If, after the full range of tuning techniques have been employed, the su bw oo fe r s ou nd s l ik e i t ha[...]

  • Page 10

    Terminology 10 Room Acoustics This is an area that requires both a little background to understand and some time and experimentation to attain the best performance from your system. Your room is actually a component and an important part of your sys tem. This co mponen t i s a lar ge varia ble and can d r a ma ti c a l l y a d d t o o r s u b t r a[...]

  • Page 11

    It had lon g b een the pr act ice of ste reo buf fs to c onn ect th eir television to a stereo system. The advantage was the use of the larger speakers and more powerful amplifier of the s te re o sy st e m. E v e n th ou g h th e s ou nd w a s gr e a tl y i m pr ov e d, it was still mono and limited by the broadcast signal. In the late 1970’s an[...]

  • Page 12

    12 Frequently Asked Questions f requently a sked q uestIons HowdoIcleanmysubwoofer? Us e a d us t f re e c lo t h or a s of t b ru sh to c l ea n y ou r s ub wo of e r. We recommend a specialty cloth (available through the Xt at ic sh op a t ww w. ma rt inl og an .c om ) th at cl ea ns b et t er th an anyth ing els e we h ave tri ed.[...]

  • Page 13

    Troubleshooting 13 NoOutput • Check that all your system components are turned on. • Check that the master power switch adjace nt to the AC rec ept acl e is se t t o 'Auto On'. • Check your wires and connections. • Check all interconnecting cables. • Make sure the level control is not turned down. • Turn off and unplug the [...]

  • Page 14

    g eneral I nformatIon 14 General Information The CW10 subwoofer system consists of a single woofer for high SPL output with minimal distortion. The eq u al i z at i o n us e d i s sp e ci f i ca l l y de s i gn e d to c o u nt e r ac t the response of the woofers sealed box response. This equalization leads to minimal group delay and proper transie[...]

  • Page 15

    15 Dimensional Drawings 15 d ImensIonal d rawIngs[...]

  • Page 16

    AC. Abbreviation for alternating current. Ac ti ve c ro ss ov er . Us es a ct iv e d ev ic es ( tr an si st or s, I Cs , t ub es ) and some form of power supply to operate. Amplitude. The extreme range of a signal. Usually mea- sured from the average to the extreme. Arc . T he vis ible s park s g ene rate d by an ele ctri cal di scha rge . A TF . T[...]

  • Page 17

    17 Inductance. The property of an electrical circuit by which a varying current in it produces a varying magnetic field that introduces voltages in the same circuit or in a nearby circuit. It is measured in henrys. Inductor . A device designed primarily to introduce induc- ta n ce into an electrical circuit. Sometimes called a choke or coil. Linear[...]

  • Page 18

    Lawrence, Kansas, USA tel 785.749.0133 fax 785.749.5320 www.martinlogan.com ©2010 MartinLogan. All rights reserved. Rev. #072810 ® WARNING! Do not use your CW10 loudspeakers outside of the country of original sale—voltage require- ments vary by country. Improper voltage can cause damage that will be potentially expensive to repair. The CW10 [...]