Mackie FR 1400 Power Amplifiers are the middle product in the FR series. The FR 1400 is a dual channel power amplifier capable of producing up to 1400 watts when bridged and put into single speaker operation, or up to 800 watts per channel in the standard stereo mode. This is more than enough power for bands or DJs that perform in small to medium sized concert venues. However, bands that expect to play in very large concert halls may choose to opt for the more powerful FR 2500.
The FR 1400 is equipped with two major features that enable it to be used in a wide variety of applications. The first is a high pass filter at 30 Hz. When enabled, this filter protects speakers from the damage that can be caused by subsonic frequencies that they can not reproduce. The filter can be just as easily disabled, however, enabling the FR 1400 to be operated as an amplifier for a subwoofer or drum kit. The other primary feature is a limiting circuit, which can also be enabled or disabled via a switch at the back of the unit. The limiting circuit automatically detects the transient attacks from bass pops or drum fills that can sometimes cause clipping, and transparently adjusts the input gain to prevent speaker damage. During normal operation, most users will not even be able to detect the fact that the limiting circuit is turned on. However, for quiet environments such as studio usage, the limiter can be disabled.
The FR 1400 is engineered for maximum thermal efficiency, and when installed in the correct rackmount configuration, should never encounter issues with overheating. It is constructed from solid steel, weighing in at a hefty 48.5 pounds. It is backed by a three year limited warranty, in which it is guaranteed by Mackie not to fail or to suffer from any workmanship defects.
Mackie, a producer of sound reinforcement equipment for studio professionals and musicians, has recently expanded its already considerable product line by adding power amplifiers. With its FR series of power amplifiers, Mackie pioneered its exclusive Fast Recovery technology. Traditional power amplifiers, when sent a signal high enough in amplitude to cause clipping, can occasionally remain "stuck" in sending clipped waveforms to the speakers. Fast Recovery prevents this, by isolating and limiting those waveforms, returning quickly to normal operation without offending the ears of your audience.
Mackie FR 1400 Power Amplifiers - Summary:
* Rated to produce a maximum output of 1400 watts (bridged, mono) or 800 watts per channel (stereo, 2 ohm speaker load)
* Features include a 30 Hz high pass filter and limiting circuit, to protect speakers from being damaged due to transient attacks of subsonic frequencies - both can be disabled if desired
* Solidly constructed, and cooled through a forced air induction fan system
* Backed by a three year warranty
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The FR 800 is a dual channel power amplifier, capable of producing a maximum of 800 watts when driving a 4 ohm speaker in bridged mode, or up to 480 watts per channel when driving a pair of 2 ohm speakers. The "FR" in the model name is short for "Fast Recovery", the unique technology that is now found throughout the Mackie product range. Traditional power amplifiers can easily become stuck in "clipping mode" when a clipped signal (resulting from input levels that are too high) is sent through them. Fast Recovery allows the FR 800 to quickly return to normal operation after clipping, sparing your speakers and the ears of your audience. Additionally, the FR 800 features automatic limiting technology, which is easily enabled or disabled by a switch located on the unit's back panel. When enabled, the FR 800 automatically detects the high volume transient attacks that can sometimes occur when a bassist or a drummer plays a brief, energetic fill. When this happens, the amplifier will quickly reduce its input gain, resulting in safe, non-clipped waveforms to be sent to the speakers. This safety measure is nearly transparent, and it is seldom possible to notice it at all.
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 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.