The FRS 2800 is a dual channel power amplifier, rated for a maximum output of 2800 watts when bridged and driving a single monaural speaker, or 1300 watts per channel in stereo mode with a 2 ohm speaker load. This is more than enough power to fill any medium to large concert venue with the level of crystal clear sound quality expected from a power amplifier of professional caliber. Like the amplifiers in the FR series, the FRS 2800 is equipped with Mackie's Fast Recovery technology, enabling the amplifier to be driven all day with maximum volume, and no distortion.
In addition to Fast Recovery, the FRS 2800 has two important features that extend its life, and protect the investment that you have made in your speakers. First, an optional 30 Hz high pass filter can be selectively enabled or disabled via a switch located at the back of the unit. Disable this filter to use the unit to power the subwoofer of your choice, or enable it when running standard speakers. With the filter enabled, the FRS 2800 will automatically attenuate those frequencies that are below the normal range of human hearing, protecting your speakers from subsonic bass frequency damage. Additionally, the FRS 2800 features an automatic limiting circuit, which can also be disabled if desired. When enabled, the limiter reduces the volume of transient attacks such as bass slaps, preventing the clipped waveforms that can cause speaker damage.
Saving your back, or the backs of your roadies, is the new switching power supply that Mackie has developed for the FRS series. With it, the FRS 2800 weighs just 22 pounds. The flagship amplifier from the FR series weighed a whopping 56 pounds!
Mackie has long been considered an innovator in the sound reinforcement industry, and their mixers, and studio monitors have found their way into many of the world's top recording studios. With their foray into the field of live sound amplification, it is safe to say that Mackie is well on its way to becoming just as powerful a force in the concert hall as it already is in the studio. Mackie FRS 2800 Power Amplifiers are the most powerful units in Mackie's new FRS series, building upon technologies that were introduced by the FR series and putting them into a package that is lighter and easier to store and transport than ever.
Mackie FRS 2800 Power Amplifiers - Summary:
* Rated for a maximum of 2800 watts (bridged, mono) or 1300 watts per channel in stereo mode
* Weighs only 22 pounds; lightest amplifier in its power class
* Fast Recovery technology and limiting circuit ensure that distortion is eliminated even at the highest volume levels, and that clipping does not occur due to transient attacks
* User selectable 30 Hz high pass filter prevents damage to main speakers from subsonic bass frequencies below human hearing
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In addition to its 1660 maximum watts of power in bridged monaural operation, the FRS 1700 can produce up to 830 watts per channel in stereo mode, when driving a pair of 2 ohm speakers. Thanks to its integrated Fast Recovery technology, occasional clipping is no problem for the FRS 1700. Most conventional power amplifiers can become locked into a clipping state when overloaded by input levels that are too high, causing distortion. The FRS 1700 can quickly recover when clipping occurs, saving the ears of your audience and protecting the investment you have made in your speakers.
Mackie FRS 1300 Power Amplifiers incorporate all of the clipping protection mechanisms from the FR series in a package that is lighter and easier to transport than ever. No power amplifier from the FRS series weighs more than 22 pounds. The heaviest amplifier from the FR series weighs over 56 pounds! The new, lighter switching power supply in the FRS 1300 is ready to be used anywhere in the world, with the proper adapters.
The M4000 Power Amplifier is the culmination of Mackie's research into the world of high efficiency sound reinforcement, boasting a three rail Class H power design. The extra power rails are only engaged when the amplifier is driven at high volumes, maintaining a lower power draw, and lower temperatures, when the second and third rail are not required. The M4000 utilizes two variable speed fans for cooling, bringing cool air into the unit from intake vents located in the rear. Because these fans spin at extremely low speeds (or not at all) when the amplifier is running at low volumes, the M4000 can be used in a studio without worry that the fans will disturb a recording or mixing session. This high level of efficiency allows the M4000 to have a much longer expected lifespan than other types of power amplifiers, enabling Mackie to back each unit with a five year limited warranty against defects or equipment failure.
The M3000 is a dual channel power amplifier, rated for a maximum power output of 3000 watts in bridged mono mode, or 1500 watts per channel when driving a pair of 2 ohm stereo speakers. Mackie has designed the M3000 to be used either in studios or in concerts, giving it a dual variable speed fan cooling system that remains off when the amplifier is idle or operating at low volumes. At high volumes, the amplifier’s three rail Class H circuitry engages, allowing power to be drawn equally across these multiple rails (The M2000 only has two rails), maintaining that same level of efficiency across the amplifier's entire volume range. This extremely efficient operation greatly extends the expected life of the power amplifier, allowing Mackie to offer a limited five year warranty against defects or equipment failure for each unit.