Martin Logan
Martin Logan Depth 212 Subwoofer
Martin Logan Depth 212 Subwoofer
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Description
Martin Logan's Depth series is the culmination of decades of experience in designing high performance subwoofers. These subwoofers are meticulously engineered to deliver powerful bass as cleanly as possible, making them an ideal choice for both dedicated 2 channel systems, home theater, or anything in between. The force-canceling dual woofer layout all but eliminates performance-robbing cabinet resonances, allowing the custom 12" (Depth 212) or 15" (Depth 215) Carbon Aerocore woofers to deliver pure bass energy without coloration. The system is backed by high-power, ultra-precise amplification controlled by a class leading 64-bit Vojtko DSP engine. All of this helps Depth achieve massive dynamic output, low distortion, and exceptional musicality.
Because of the high levels of force necessary to produce bass frequencies, the subwoofer cabinet itself can vibrate or resonate, which can blur or color the sound. This is why speaker cabinets must be strong and rigid to counteract these forces for the best sound quality. Depth subwoofers take this concept to the next level by featuring MartinLogan's signature distortion-reducing BalancedForce woofer topology. The dual active 12" woofers on Depth 212 and dual active 15" woofers on Depth 215 are arranged so they operate in exact opposition from one another. The equal and opposite forces of the woofers effectively cancel out the energy that would typically be transferred into the cabinet. This design cuts out the blur, smearing, and distortion caused by cabinet resonance, leaving only pure, articulate bass energy. Not only does this sound noticeably better, but the lower distortion means Depth subwoofers are easier to listen to at all volumes. With such low distortion, Depth subwoofers are an ideal choice to pair with reference grade loudspeakers for the ultimate audio experience. Depth Series subwoofers are designed to blend uncompromising low frequency performance with timeless, luxury design. Starting with a massively overbuilt cabinet, expertly sculpted to achieve a sleek and elegant look, every aspect of the Depth Series has been carefully crafted into a perfect fusion of both form and function.
Specifications:
| Model | Depth 212 |
|---|---|
| Application | Subwoofer |
| Frequency Response | 18–120 Hz ±3 dB (anechoic via LFE input) |
| Low Frequency Transducer | Dual active 12" cast-aluminum basket, high excursion, Carbon Aerocore cone woofers in a BalancedForce configuration with under spider, voice coil, and pole piece venting, plus dual copper shorting rings |
| Amplifier | Reference grade Class-D amplifier: 2,200W Dynamic Peak (1,100W RMS) |
| Digital Signal Processing | Ultra high-resolution 500MHz Vojtko DSP engine with 64-bit processing |
| Cabinet | Extensively braced and reinforced variable thickness (1–3") cabinet |
| Inputs | Line level: Left, Right, and LFE XLR: Left, Right or LFE (Right In) Speaker level: Left and Right (requires banana plugs) |
| Output | RCA Sub Out (outputs the sum of all connected inputs) |
| Wireless Input | Integrated wireless receiver, wireless transmitter included |
| Controls (via Bluetooth) | Level: -40 to 12dB (Min–Max) Low-pass filter (frequency): 35–120Hz (1° increments) Low-pass filter (order): Bypass, Third, Fourth Phase: 0–180° (1° increments) Phase (polarity): Normal, Inverted Preset listening modes: Movie, Music, Night 20–30Hz level: ±10dB Anthem Room Correction (ARC Genesis): On, Off Tone sweep (120–20Hz): On, Off, Pause (frequency) |
| Controls (Touch Control Interface) | Level adjustment Tone sweep Low-pass filter Phase/Polarity Listening mode 20–30Hz level ARC On/Off Wireless On/Off Passcode lock Logo color Information Factory reset Language selection Owner’s manual QR code Control app QR code |
| Feet | Integrated anti-vibration feet (carpet spikes included) |
| Power Draw | Standby (wireless disabled): 0.5W Standby (wireless enabled): <2W *Transmitter and subwoofer combined |
| Dimensions (H x W x D) | 21" x 19.81" x 20.4" (53.3cm x 50.3cm x 51.8cm)* |
| Weight | 127 lbs (57.6kg) |
| Finish | Gloss Black |
| Notes | *Product height is without carpet spikes but includes the feet. Specifications are subject to change without notice. |
