MartinLogan BalancedForce 210 Subwoofer

$10,499.00 inc GST


The MartinLogan BalancedForce 210 Subwoofer delivers powerful bass with electrostatic-like detail to any audio system, whether for high-end stereo music listening or multi-channel home theatre.

Its two-driver, force-canceling configuration virtually eliminates cabinet resonance and the resulting bass blur that plagues conventional subwoofers, while a sophisticated DSP-based amplifier ensure the purity and accuracy of the sound from the drivers.

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SKU: ML-BAFO210 Categories: , , , UPC: 877929009434 EAN: 0877929009434 Brand: GTIN / EAN / UPC: 0877929009434

Description

MartinLogan BalancedForce 210 Subwoofer

The MartinLogan BalancedForce 210 Subwoofer are subwoofers engineered specifically to match the speed, accuracy and big sound of an electrostatic loudspeaker. BalancedForce subwoofers feature superior low-frequency technology, and ultra-heavy duty construction, to effortlessly bring the deep, deep down you desire.

Chances are you’ve read or heard at some time that adding a subwoofer to a system built around electrostatic speakers is nearly impossible. Although that’s not necessarily true (and we have the subwoofers to prove it), the idea is grounded in experience. For many years subwoofers and electrostats did not blend very well. Turn on the sub and maybe you got the deeper, stronger bass you were looking for but that wonderful electrostatic snap and midrange clarity were, if not gone, now smeared and disconnected.

Our goal, when we began our first subwoofer project, was to deliver the good stuff — deep, tight, powerful bass — and none of the bad. We wanted to build subwoofers that, when combined with ultra-fast electrostatics or conventional cone speakers, would blend seamlessly to the very bottom of the frequency extreme. BalancedForce subwoofers are the full realization of years of engineering by the MartinLogan team combined with the latest innovations in advanced digital signal processing, amplification, electrical system designs, and room correction.

 

 

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Reviews

“The MartinLogan Stealth line of architectural speakers impressed me. Their build and component quality is significantly high. It is obvious that much thought went into the design of these speakers, and the results are ultra high-end. MartinLogan has created a quality product that will provide a proud sense of ownership. When coupled with the BalancedForce 210 subwoofer, the sum performance was greater than any one speaker’s individual achievement. I used to avoid my family room… However, thanks to the addition of the Vanquish and Axis speakers, I now find myself wanting to watch movies in the family room. I would highly recommend this product if you are considering an architectural speaker solution for your space”—Greg Handy, Home Theater Review

“I can’t claim that the MartinLogan BalancedForce 210s are the end-alls in low-end reproduction, or that they will fool you into thinking there is an actual standup or electric bass sitting in your living room. What I can say is that they have brought me much closer to the real thing and made me a believer in subwoofing. Now that the 210s are in my listening room, my music–and not just music where bass is prominent–has taken on a new life. They have made a far greater difference in my stereo than any other component I can remember in a very long time. If you have a large room or really feel the need to hear low bass, the BalancedForce 210s are essential tools to getting the most out of your music.”—Spencer Holbert, The Absolute Sound

 

Awards

 

Features

BalancedForce® Alignment – Opposing Aluminum Element Woofers or Deep, Clean Bass

Dual low-distortion woofers pair a high-power magnet structure with 10- and 12-inch aluminum cone diaphragms to deliver huge excursion and sound output while preserving minute bass details, all without a hint of distortion. The cone material’s exceptional damping properties ensure the smooth, non-resonant response necessary for seamless blending with high-resolution full-range loudspeakers.

These woofers, spaced 180 degrees apart in a ‘BalancedForce’ configuration, operate in exact opposition, to nullify distortion causing cabinet vibrations and deliver pure bass energy. Traditional subwoofer enclosures suffer from an equal and opposite reaction to the cone’s movement, generating acoustic vibrations within the cabinet. You feel this by touching the cabinet. Although the “physics” of this phenomenon actually cause a subwoofer cabinet to resonate or even dance, most subwoofer designers apply weight or mass to the cabinet to minimize such disturbances, but still leave one byproduct—”smeared bass”. BalancedForce is an elegantly simple solution that removes the variable of cabinet vibration contributions from the acoustic equation.

Amplifier Design – Advanced Ultra-Efficient D-Class Amplifier
BalancedForce subs match powerful proprietary switching amps with incredible woofer drivers resulting in tightly defined bass while keeping distortion at the lowest possible levels. The BalancedForce 210 features an 850-watt class-D switching amplifier capable of a 1700-watt peak operating at over 90% efficiency. BalancedForce 212 features dual 850-watt amplifiers (one for each woofer) with a total system power of 1700-watts (3400-watts system peak).

Low-noise, high-power transformers and switching power supplies feature high-quality MOSFET transistors, noise-suppression networks, and control circuitry to provide tremendous levels of current with extremely low levels of distortion. Split power supply rails minimize distortion while maximizing switching efficiency. Military grade glass epoxy circuit boards, temperature sensors, and protection circuitry guarantee quality sound and reliable trouble-free operation.

PBK Room Correction & 25Hz Level Control
Although correct placement plays a key role in optimizing subwoofer performance, positioning a subwoofer often requires compromises. The optional MartinLogan Perfect Bass Kit (PBK, sold separately) uses a computer and microphone to listen throughout the listening environment and tailor the sub’s performance to the unique acoustic properties of a room—resulting in clean, powerful bass down to the lowest frequencies.

Additionally, a built-in 25Hz level control allows listeners to adjust subwoofer output by ±10dB and compensate for excessive room gain by cutting output in the 20- to 30-Hz range, or to accentuate the feeling of deep-bass energy by augmenting those frequencies.

Custom Low-Pass Filters for Individual Loudspeaker Models
Custom tailored low pass filters are available for nearly every floor standing MartinLogan loudspeaker released in the last 30 years. These optional custom filters adjust the subwoofer’s low pass settings to seamlessly blend with the roll-off characteristics of individual loudspeaker models. Filters are easily installed via a user-friendly process involving a USB thumb drive and are available for free download. Many unique filters are currently available and additional filters will be added as new speakers are released.

Beautiful Finishes
High-gloss black cabinets and top trim are standard. Top trim is available in a variety of optional high-gloss, hardwood, and real-wood veneer finishes.

Sealed Cabinets
Although ports are a convenient and cost-effective way of increasing low-frequency output, their reliance on resonant energy impairs bass quality. The BalancedForce subwoofer’s sealed system exhibits less transient-blurring group delay while maintaining smooth, consistent response, regardless of music or movie source material.

Multiple Input Options – Simultaneous LFE and 2-Channel Connections for Seamless System Integration

Robust connection and control systems allow simultaneous connection of both 2-channel stereo music and multi-channel home theater and allows each source to have individual crossover and level settings, giving listeners a perfect performance in every application. LFE input via RCA or XLR effectively uses no low-pass filter, leaving crossover control to the processor. Left and right RCA, XLR, and speaker level inputs integrate discrete user-adjustable or speaker specific custom-installed audiophile grade low-pass filters allowing different level and crossover points when playing back two channel music.

BalancedForce 212

Top Mounted Controls
Top mounted controls are discretely hidden beneath a smoked glass accent panel allowing easy access to fine tune the subwoofer’s settings.

Unlimited Adjustments
Access the top mounted control panel by pushing firmly on the smoked glass panel. You’ll find all of your standard subwoofer controls like Level, Low-Pass Filter and Phase, plus some that are unique to MartinLogan.

A unique tone sweep feature assists users in locating areas in listening rooms where troublesome rattles or resonances may occur. A single press of a button allows listeners to initiate a tone sweep from 120–20Hz. If a rattle or resonance occurs in the room a second press of the button holds the current frequency allowing the listener to investigate and identify the source.

An ‘On/Auto (Trigger)/Off’ switch controls the subwoofer’s energy saving feature. The ‘On’ setting prevents the sub from entering energy saving mode. When set to ‘Auto (Trigger)’, the sub will turn on when a music signal is detected and off after several minutes without a signal. If a 12-volt trigger is connected, the triggering device will turn the subwoofer on and off.

Further flexibility is afforded by custom energy transfer coupler (ETC™) spikes, which can enhance stability on thick carpets, or create tighter coupling between subwoofer and floor to enhance overall sound quality.

 

Specifications

Specifications are subject to change without notice

Frequency Response 20–120 Hz ±3dB; Anechoic through LFE effects input
Impedance RCA: 10,000 Ohms
XLR: 15,000 Ohms per phase
Speaker Level: 10,000 Ohms per phase (20,000 Ohms red to black) Compatible with 4, 6, or 8 Ohm rated amplifiers.
Low Frequency Transducer Two 10″ (25.4cm) cast-basket, highexcursion, aluminum cone with extended throw driver assembly, sealed non-resonant asymmetrical chamber format
Amplifier 850 watts
(1,700 watts peak)
Room Correction (Bass Section) Perfect Bass Kit (PBK) Ready (Sold Separately)
Audio Controls On, Auto (12V Trigger), Off
Low Pass Filter Frequency 30 – 80Hz
Inputs RCA: Left, Right and LFE.
XLR: Left, Right and LFE.
Speaker Level: Left and Right banana jacks.
12V Trigger: 3.5mm
Mini USB (for PBK)
USB (for crossover & firmware updates)
Power Draw Typical: 125 Watts
Idle: 15 Watts
Weight 96 lbs. (43.5 kg)
Dimensions 19″ x 19.1″ x 19.4 ”
(48.3cm x 48.6cm x 49.4cm)

Additional information

Weight 45 kg
Brand

MartinLogan

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