MartinLogan depth i Brochure

©2009 MartinLogan, Ltd. All rights reserved.

Application: 

Home theater and stereo subwoofer 

ideal for large and medium rooms.

Packing all of Descent i’s innovative 

technology into a cabinet 40% 

smaller, Depth i delivers powerful 

bass with electrostatic-like detail.

Key Features: 

•  Advanced Triple Servo Control

•  BalancedForce™ driver alignment

•  Ultra efficient 350-watt amplifier

•  3 low-distortion 8-inch aluminum

cone woofers

•  Top mounted controls

•  25Hz level control

•  Unique crossover and level settings

for simultaneous 2-channel and LFE

connections

•  Custom ETC™ spikes

STEREO/HOME THEATER SUBWOOFER

FiniSH OpTiOnS

DEEp, pOWERFUl, AnD DETAilED

Depth i deploys the full array of MartinLogan’s subwoofer technologies 

to achieve deep, rich, satisfying bass while preserving electrostatic-like 

accuracy and detail. Its TriLinear™ BalancedForce™ alignment, advanced

low-distortion switching amplifier, and sophisticated triple-servo control 

systems extract the very best possible performance from Depth i’s high-

resolution triple 8-inch aluminum-cone woofers. The result? Levels of purity

and accuracy seldom found in subwoofers at twice the price.

Frequency Response  20–120 Hz ± 3dB

 

Low Pass Filter Frequencies  30, 35, 45, 55, 65, 80Hz, CLX (optional)

High Pass Filter Frequencies  40, 70Hz, Bypass

±10dB

Low Frequency Drivers  Three 8” (20.3) aluminum cone

Amplifier  350W (900W peak)

Inputs  Left/Right RCA Line Level, RCA LFE,

Speaker Level

Outputs  RCA Sub Out, RCA Right/Left

Weight  70 lbs. (47.7kg)

Dimensions (HxWxD)  17.9” x 17.1” x 16.5” (45.4 x 43.5 x 41.8cm)

Black Ash

natural 

Cherry

Maple

Birdseye 

Maple

Dark 

Cherry

Rotary Cut 

Bubinga

Visit configurator.martinlogan.com to 
explore the full range of finish options.