Martin Logan BalancedForce 210

58 990 kr
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Opposing Aluminum Element Woofers for Deep, Clean Bass
Dual low-distortion woofers pair a high-power magnet structure with 10-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.

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.
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 from 46 unique filters are currently available and additional filters will be added as new speakers are released.

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.

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.

Förstärkareffekt: 850 watt (1.700 watt peak)
Frekvensgång: 20-120 Hz ± 3 dB; Anechoic through LFE effects input
Lågpassfilter, frekvenser: 30 - 80 Hz
Fas: 0°, 90°, 180°, 270°
25Hz nivåkontroll: ± 10 dB vid 25 Hz ± 10 dB vid 25Hz
Rumskorrigering: Perfect Bass Kit (PBK) Ready (säljs separat)
RCA: Vänster, Höger och LFE
XLR: Vänster, Höger och LFE
Högtalarnivå: Vänster och Höger banankontakter
12V Trigger: 3.5mm
Mini USB (för PBK)
USB (för delningsfilter & mjukvaruuppdateringar)
RCA: Multi Out (för multi-sub anslutning)
Basar: 2x 10" (25,4 cm) gjutna korgar, lång slaglängd, aluminium koner, sluten icke-resonant asymmetrisk kammare
Mått: 486x483x494mm (BxHxD)
Vikt: 43.5 kg

BalancedForce 210
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