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How do I clean my subwoofer?

Use a dust free cloth or a soft brush to clean your subwoofer. 

We recommend a specialty cloth (available through the 

Xtatic shop at www.martinlogan.com) that cleans better 

than anything else we have tried.

Is it safe to set things on my subwoofer?

While your subwoofer is designed with a durable, stain-

resistant surface, we advise you not to set anything on your 

subwoofer—especially containers holding liquids.

Is  there  likely  to  be  any  interaction  between  my 

subwoofer and the CRT television in my Audio/ Video 

system? 

Yes. The subwoofer doesn’t use a shielded driver. We 

recommend 3 feet between the subwoofer and video 

components that are susceptible to magnetic fields.

Will my electric bill go 'sky high' by leaving my subwoofer 

plugged in all the time? 

No. The subwoofer, when the power switch is set to 

‘Auto’ or ‘Standby’, will draw about 15 watts when idle. 

Should I unplug my subwoofer during a thunderstorm? 

Yes, or before. It's a good idea to disconnect all of your 

audio/video components during stormy weather.

No Output

•  Check that all your system components are turned on.

•  Check that the master power switch adjacent to the AC 

receptacle is set to 'On'.

•  Check that the power switch on the subwoofer is set to 

either 'Auto' or 'On'.

•  Check your wires and connections.

•  Check all interconnecting cables.

•  Make sure the level control is not turned down.

•  Turn off and unplug the Depth i and check the fuse 

near the AC power cord receptacle on the back. If the 

fuse has blown, replace the bad fuse with a matching  

T 4A H 250V fuse (T 2A L H 250V if you are in a region 

using 230v–240v current).

•  If the problem persists, contact your dealer.

Muddy Bass

•  Check placement. Try moving the subwoofer closer to 

the front and side walls.

•  Check the type of feet that are being used. Try installing 

the ETC spikes.

•  Decrease the level.

•  Check your processor setup.

•  If the problem persists, contact your dealer.

Hums or Unusual Sounds

•  Turn the subwoofer off, unplug all signal inputs, turn 

the subwoofer back on and turn up the level. If the 

problem disappears, the hum is originating elsewhere 

in your system.

•  Connect the subwoofer’s AC connection to the same AC 

circuit as the pre amp.

•  If the problem persists, contact your dealer.

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Frequently Asked Questions

Troubleshooting

 Frequently Asked Questions & Troubleshooting     21

Summary of Contents for Depth I

Page 1: ...D e p t h i u s e r s m a n u a l tm...

Page 2: ..._ High Pass _______________________________________ Low Pass _______________________________________ WARNING Do not use your Depth i loudspeakers outside of the country of original sale voltage requir...

Page 3: ...Thank you to you the MartinLogan owner for loving what we do and for making it possible for us to do what we love...

Page 4: ...llowing deep tight well defined bass Servo control woofer technology minimizes distortion A proprietary digital amplifier drives the output stage with precision and extremely high efficiency Low pass...

Page 5: ...with the lightning bolt symbol should be connected by an instructed person or by way of ready made terminals The power cord should remain readily oper able should any abnormal conditions occur Step 1...

Page 6: ...the bass management When connected in 2 channel mode via its speaker or line level left right input the low pass filter is active As a general rule the Low Pass Filter should be set at the option appr...

Page 7: ...when there is none The On setting prevents the Depth i from entering energy saving mode The Standby setting forces the Depth i into energy saving mode While set to Standby the Depth i will not operate...

Page 8: ...ker cable Depth i s Low Pass Filter control effects the signal received through these inputs Status Light The Depth i is equipped with a multi color LED to indicate the current status of the woofers T...

Page 9: ...o the closest setting below the resulting number 2 Play familiar music with bass content Increase the Level control until the music has deep extended bass Be careful to avoid levels that become overwh...

Page 10: ...pe speakers in limited or narrow mode Recommended Control Settings see figure 7 1 With multi channel source material playing adjust the Level control to your preferred level 2 Try the phase control in...

Page 11: ...te the number equal to 70 of your main loud speaker s lowest frequency rating Set the Low Pass Filter switch to the closest setting below the resulting number 3 While playing familiar music with bass...

Page 12: ...fier only has one set of outputs you may connect your amplifier to your speakers as normal and run an additional set of cables from your speakers to the subwoofer s Speaker Level In binding posts It i...

Page 13: ...response make note of this number If the High Pass Filter Out is set to None the Low Pass Filter should remain at approximately 70 of your loudspeakers lowest frequency response If the High Pass Filt...

Page 14: ...oofer in the chain using the same input for every additional connection Recommended Control Settings 1 Adjust the control settings of the first subwoofer using one of the five modes previously describ...

Page 15: ...he power service supplied in the country of original consumer sale The AC power rat ing applicable to a particular unit is specified both on the packing carton and on the serial number plate attached...

Page 16: ...um of three inches of open space between the cabinet and the front left and right sides see figure 17 Ask Your Dealer Your MartinLogan dealer can suggest many options for optimal subwoofer placement T...

Page 17: ...cally this is only a problem with frequencies below 100Hz When this happens different parts of your room experience either an excess or a lack of bass Some people believe that having a room without pa...

Page 18: ...n Instructions 1 On a soft padded surface carefully lay your subwoofer on its side to gain access to the bottom 2 Remove existing feet or spikes Thread new spikes into holes and screw them in all of t...

Page 19: ...so be the same two used for your stereo playback then they should be of very high quality and able to play loud over 102 dB and reproduce bass below 80 Hz Center Channel Many experts believe this to b...

Page 20: ...performance limitations of a heavy and hard to control single large driver Servo Controlled Dynamic Drivers All dynamic drivers generate distortion caused by spider and surround nonlinearities as wel...

Page 21: ...components are turned on Check that the master power switch adjacent to the AC receptacle is set to On Check that the power switch on the subwoofer is set to either Auto or On Check your wires and con...

Page 22: ...Dimensional Drawings Plan View Top Front Elevation Back Elevation 22 Dimensional Drawings Side Elevation...

Page 23: ...ttom of the backplate Each individual unit has a unique serial number Service In the rare event that your MartinLogan product should require service please contact the dealer from whom the product was...

Page 24: ...sound The difference in decibels between two sounds is ten times the Base 10 logarithm of the ratio of their power levels DC Abbreviation for direct current Diffraction The breaking up of a sound wave...

Page 25: ...of the RMS sound pressure Resistance That property of a conductor by which it opposes the flow of electric current resulting in the generation of heat in the conducting material usually expressed in o...

Page 26: ...26 Notes Notes...

Page 27: ...Notes 27 Notes...

Page 28: ...utside of the country of original sale voltage requirements vary by country Improper voltage can cause damage that will be potentially expensive to repair The Depth i is shipped to authorized MartinLo...

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