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Using Sub Out offers an easy way to implement multiple 

subwoofers in your audio/video system.

Note: 

Additional subwoofers must run as either dedicated 

2-channel (stereo) or multi-channel (LFE) subwoofers, but 

not both.

Signal Connection:

1  Connect the first subwoofer to your system using one 

of the five modes previously described.

2  Connect the Sub Out of the first subwoofer to either the 

LFE In or the Right (or Left) In  of the next subwoofer. 

Use quality RCA interconnects. 

  Connecting to the LFE  In allows additional subwoofers 

to perform as dedicated LFE channels (see figure 13).

   Connecting to the Right (or Left) In allows addition-

al  subwoofers  to  perform  as  dedicated  2-channel 

subwoofers (see figure 14).

3  Repeat step 2 for each additional subwoofer 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 described.

2  Adjust the control settings of each additional subwoofer. 

Use the method used to adjust the first subwoofer.

  Note: 

While the settings of each subwoofer should be 

similar, you will probably find that each sub will need 

to be tweaked for optimal performance because of its 

unique room placement.

Regardless of how you use your subwoofer, experimenta-

tion can often result in better sound. Don't be afraid to 

try different settings. You can always return the controls to 

their previous settings.

Sub Out—Using Multiple Subwoofers

Figure 14 .

 Using multiple Depth i. Right/Left option.. Primary sub on right. 

Additional sub on left.

14     Controls and Connections

Figure 13 .

 Using multiple Depth i. LFE option. Primary sub on right. 

Additional sub on left.

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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