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Martin Logan Depth I Subwoofer in black in excellent condition. This is a true audiophile sub as it includes servo control and allows you to hook-up both two-channel and LFE connections simultaneously. This allows you to run both a two-channel preamp and homed theater processor to the sub at the same time.

The Martin Logan Depth I includes the following features:

» Rigid Aluminum-Cone Diaphragm

» TriLinear™ Driver Array

» BalancedForce™ Driver Alignment

» Triple-Servo Correction System

» Comprehensive Inputs and Outputs with Simultaneous-Connection Option

» Top-Mounted Controls

» Precision Low- and High-Pass Crossover Filters

» Custom CLX / Subwoofer Filter

» 25-Hz Level Control

» Full-Rotation Phase Switch

» Extended-Range Master Level Control

» Advanced Proprietary Vojtko™ Switching Amplifier

» Sealed Cabinet with Asymmetrical Driver Chamber

» Asymmetrically Configured Energy Transfer Coupler Spikes

» Aesthetically Extraordinary (Yet Practical) Cabinet Design

The specifications are as follows:

Frequency Response = 20–120 Hz ±3dB; Anechoic through LFE effects input

Low Pass Filter Frequency = 30, 35, 45, 55, 65, 80Hz

High Pass Filter Frequency = Bypass, 40Hz, 70Hz

Low Frequency Transducer = Three 8" (20.3cm) high excursion, aluminum cone with extended throw drive assembly, sealed non-resonant asymmetrical chamber format

Amplifier 350W (at less than 0.5% THD), 900W (peak)

Impedance = Line level RCA: 20,000 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.

Audio Controls = ±10dB at 25Hz

Inputs = Left/Right RCA Line Level, RCA LFE, Speaker Level

Power Draw = Max: 300 Watts, Idle: 15 Watts, Standby: 10 Watts

Weight = 70 lbs. (31.8 kg)

Dimensions = 17.9" × 17.1" × 16.5" (45.4cm × 43.5cm × 41.8cm)

I only accept PayPal and will only ship to a confirmed PayPal address. The buyer pays for shipping. I'll pay the PayPal fees.
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