Page 2 - ONTENTS
2 Contents C ONTENTS Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 Installation in Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Introduction and Assembly . . . . . . . . . . . . . . . . . . . . . .4 Introduction Trim Removal and Installatio...
Page 3 - NSTALLATION IN
3 Installation in Brief 3 I NSTALLATION IN B RIEF We know that you are eager to hear your new Depth sub- woofer, so this section is provided to allow fast and easy set up. Once you have it operational, please take the time to read, in depth, the rest of the information in this manual. It will give y...
Page 4 - NTRODUCTION AND; Introduction
4 Introduction and Assembly I NTRODUCTION AND A SSEMBLY Congratulations! You have invested in one of the world's premier subwoofers. The MartinLogan Depth represents the culmination of an intensive, dedicated team research program directed toward establishing a world class reference subwoofer using ...
Page 5 - BOUT THE
Level Knob Setting the level too high will cause the bass to seem bloated 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 systems low end seem more extended and accurate. Low Pass Fi...
Page 6 - Before Connecting the Depth
C ONNECTIONS AND C ONTROL S ETTINGS MartinLogan engineers designed the Depth for easy setup and system integration. Before beginning to connect your Depth, please review the controls discussed in the last sec- tion. An understanding of these will help speed you along as you connect your Depth with y...
Page 9 - -Channel Mode Using Speaker Level Inputs
Connections and Control Settings 9 This setup is recommended if your Depth will be used in a 2-channel only system. When a signal is connected to the Depth’s Left/Right Inputs, the Depth’s internal low pass filter is active. Signal Connection (see figure 8): 1 Connect the left and right outputs of y...
Page 10 - Why the Filters Are Not Equal
10 Connections and Control Settings This setup is recommended if your Depth will be used in a 2-channel only system and you intend to use the Depth’s High Pass Filter Out. Signal Connection (see figure 10): 1 Connect the left and right outputs of your preamplifier to the left and right inputs of the...
Page 11 - Sub Out—Using Multiple Depths
Using Sub Out offers an easy way to implement multiple Depth’s in your audio/video system. Note: All additional Depth subwoofers must run as either dedicated 2-channel (stereo) or multi-channel (LFE) sub- woofers, but not both. Signal Connection: 1 Connect the first Depth to your system using one of...
Page 12 - AC Power Connection
12 Connections and Control Settings WARNING! The power cord should not be installed, removed, or left detached from the subwoofer while the other end is connected to an AC power source. The IEC power cord should be firmly inserted into the AC power receptacle on the rear connection panel of the Dept...
Page 13 - LACEMENT; Installing the Depth in a Cabinet
P LACEMENT Placement 13 Generally, subwoofers have the most output when placed in the corner of a room. However, this can also exaggerate the subwoofers output making blending difficult. We recom- mend starting by placing the Depth in a corner. It should be placed in such a way that there are 2 inch...
Page 14 - Terminology; OOM; Your Room
Terminology 14 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 system. This component is a large variable and can dra...
Page 15 - Solid Footing
After living and experimenting with your Depth, you may want to use the ETC ™ (Energy Transfer Coupler) Spikes (see figure 17), included with your Depth. With the use of these spikes, the Depth subwoofer will become more firmly planted on the floor and, consequently, bass will tighten. It is best no...
Page 16 - OME
It had long been the practice of stereo buffs to connect their television to the stereo system. The advantage was the use of the larger speakers and more powerful amplifier of the stereo system. Even though the sound was greatly improved, it was still mono and limited by the broadcast signal. In the...
Page 17 - EPTH; BalancedForceTM For Cleaner Bass
Resulting from an equal and opposite reaction to the cone's movement, strong bass causes traditional subwoofer enclo- sures to generate acoustic vibrations. You feel this by touching the cabinet. Although the "physics" of this phenomenon actually cause a subwoofer cabinet to resonate or even...
Page 18 - REQUENTLY; Frequently Asked Questions
18 Frequently Asked Questions & Troubleshooting F REQUENTLY A SKED Q UESTIONS & T ROUBLESHOOTING 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 b...
Page 19 - Service; ENERAL; Warranty and Registration
19 The high-resolution, servo-controlled Depth subwoofer system consists of multiple woofers for high SPL output with minimal distortion. The woofers are arranged in a BalancedForce array that dramatically lowers cabinet vibrations. This approach leads to tight, well-defined and deep bass output. Th...
Page 20 - LOSSARY OF
AC. Abbreviation for alternating current. Active crossover. Uses active devices (transistors, ICs, tubes) and some form of power supply to operate. Amplitude. The extreme range of a signal. Usually measured from the average to the extreme. Arc. The visible sparks generated by an electrical discharge...
Page 22 - OTES