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Active 700w 12 inch studio subwoofer with 40/60/80/95Hz Infra Filter Low Pass selector

TheSUBWOOFER PROS Studio Sub2-12C is a "universal" sub used for bass extension of any studio monitor. It is sealed and self-powered, offering bass extension to 16Hz. It has a compact cabinet using a 12" high excursion sub driver with an easy to use control set. It has built in Left/Right XLR summing inputs and a low pass filter at 4 different frequencies of 95Hz, 80Hz, 60Hz, and 40Hz. The different low pass frequencies make it adaptable to various size "main" speakers.

The Studio Sub2-12C is different from other subs because it specializes in output below 95Hz, the range which meter bridge monitors are generally not good at. The sealed cabinet with a linear response sonically outperforms subs that make use of ports, transmission lines, passive radiators or other "boost" technology. These boost methods create the sonic impression of bass up around 75-85 Hz but actually suffer a severe roll off after the boost. These boost methods make it more difficult to get proper translation between studio and outside world.

The Studio Sub2-12C's compact size allows placement on speaker stands, under consoles, or in locations where larger subs won't fit. The Studio Sub2-12C is ideal for multiple sub applications where 3 or 4 subs are used to achieve evenly distributed low end in very small rooms by locating them on different walls. This multiple sub approach at lower SPL can significantly outperform a single higher SPL sub that generates fewer but higher intensity room modes or nulls. The modest price, universal fit, and flexible nature of the Studio Sub2-12C makes it an ideal way to start with one or two and grow your sub system over time.

INFRA TECHNOLOGY: The INFRA driver is operated below resonance and flattened with an electrical boosting circuit, the INFRA dual integrator. Operating below resonance the INFRA system exhibits predictable, uniform responseand reproduces each note with the same emphasis, reducing the influence of the resonances found in conventional above resonance bass systems. In addition, the use of a low pass filter is eliminated (and with it the associated long variable delay) and replaced with the INFRA dual integrator with its short uniform delay.Upon close listening, it is clear that the impression of power and impact is greater with an INFRA system when compared to conventional bass systems. This is true even when the two systems will measure the exact same Sound Pressure Level on a calibrated SPL meter. This is because the INFRA subwoofermaintains the bass energy in a tight packet, aligned with the upper range signal, providing a greater body impact and a seamless musical connection with the main loudspeakers.
Objectively, the INFRA system exhibits superior frequency and phase response.

The Dynamic Filter circuit is a complimentary technology to the INFRA dual integrator. It insures that unexpectedly large signals will not overload the system resulting in possible damage or audible distortion. This allows high level operation close to the maximum system capabilities without fear of accidental overload.

The Dynamic Filter circuit dynamically reduces the bass extension to prevent over- load. It is inherent in the INFRA design that an overload condition will occur with the low- est notes first, as they require the greatest amount of amplifier power and driver excur- sion. In an overload condition, the Dynamic Filter circuit will reduce the lowest frequen- cies to their maximum safe level while not affecting the bass content above the fre- quency that exceeded the threshold.
  • 12? High Excursion EL-12B driver
  • Switchable Low Pass Filter: 95Hz, 80Hz, 60Hz, 40Hz
  • Low Frequency Limit: 16Hz
  • 700w Max Continuous Amp Power
  • Max SPL: 100dB SPL @ 1 meter @ 40Hz
  • 2x XLR Input, summing
  • Compact Cabinet: 15.5" x 18" x 15"
  • Weight: 40.5 lbs
  • Made in The USA
  • Input Configuration: 2 Isolated Balanced XLR female line level
    Input Mode: 2 Summing inputs
    INFRA Module: 8 Hz dual integrator
    INFRA Frequency Response: ±3 dB 8 Hz to 95 Hz (2p Steradians)
    INFRA system -6 dB frequency 95 Hz (not adjustable)
    INFRA Level Control: Adjustable level
    INFRA Cutoff Frequency: Internally set 8 Hz or 16 Hz
    INFRA Overload Protection: Preset threshold Dynamic Filter circuitry
    INFRA Polarity: ± Push button switch
    Optional Remote Threshold Indicator
    Threshold exceeded indication red LED
    Amplifier Output Power: 700 Watts continuous sine wave
    Low Frequency Transducer: EL-12B 12" Cone
    Enclosure: 13 ply birch plywood
    AC Power Requirements:
    Auto sensing 100 to 250 VAC
    Finish: Black textured finish or optional high gloss automotive finish
    Grille: Black nylon cloth on frame
    15.5"h x 18"w x 16"d
    39.4cm x 48.8cm x 40.7cm
    Weight: 56lbs - 25.4kg

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