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With the Niagara Series, AudioQuest is advancing the art and science of AC power conditioning. In fact, with a laser-like focus on eliminating AC-related noise, as well as reducing the harmful effects of RFI and EMI, they describe the Niagara products not as “power conditioners” but as “Low-Z Power Noise-Dissipation Systems.” For the technically inclined, “Z” refers to electrical impedance. Maintaining a low and even AC source impedance helps your system’s amplification perform at its best, while enhancing the Niagara’s sophisticated noise-dissipation capabilities.
If you have a heavy-duty 20-amp circuit powering your audio/video system, place the AudioQuest Niagara 5000 between the AC wall socket and your equipment for maximum performance and protection. The Niagara 5000 lacks the Dielectric-Biased AC Isolation Transformers found in AQ’s flagship Niagara 7000. The 5000 delivers about 90% of the performance of the 7000 for source components, and 100% for amplifiers, at a significantly lower price.
Why your AC power needs conditioning
“Where Alternating Current (AC) is concerned, we’re relying on a century-old technology created for incandescent lights and electric motors — technology that was certainly never meant to power the sophisticated analog and digital circuits used in premium audio/video systems. To properly accommodate the promise of today’s ever increasing bandwidth and dynamic range, we must achieve extraordinarily low noise across a wide range of frequencies.”
— Garth Powell, designer of AudioQuest’s Niagara-series power conditioners
Eliminating noise without limiting current
The key to the Niagara 5000’s performance is its wideband linearity, designed to avoid the current compression and distortion that typically characterize less sophisticated AC power conditioners. The Niagara 5000’s “secret sauce” is AudioQuest’s patented Ground Noise-Dissipation technology.
AudioQuest Niagara 5000 back panel
The 12 AC outlets are divided into six isolated banks to prevent noise created by one component from affecting your other gear. (Power cords not included.)
Why is dissipating ground noise so critical?
A surprising amount of AC noise can be traced to the ground lead. Because the electrical service depends on this lead primarily for safety, there are very few ways to effectively reduce ground noise. Compounding the issue is the fact that many audio circuits depend on the AC ground lead to ensure an electrical ground reference for minimal system hum.
The ground lead: an often-ignored source of RF noise
The typical 3-prong AC connector has three wires: line, neutral, and ground. In contrast to the line and neutral leads, the ground lead bypasses the component power supply and makes a direct connection to many critical analog and digital circuits, introducing a torrent of RF (radio frequency) noise. This noise is spread across a wide range of frequencies and impedances, which is why simple filters are only partially effective.
And even when the noise itself isn’t audible it can mask or distort low-level audio signals, resulting in grainy sound and a constricted soundstage.
AudioQuest diverts the noise
AudioQuest’s patented circuit combines ultra-low impedance (at 50-60Hz) induction with proper lead orientation for optimal noise dissipation. The noise currents that would otherwise result in audible distortion are instead directed away from the sensitive audio circuits for sound that is cleaner, clearer, and more dynamic and relaxed.
Comprehensive surge protection for your system
The Niagara 5000 has a total of twelve AC outlets to protect your entire A/V system. The four high-current outlets use AudioQuest’s unique Transient Power Correction Circuit. Boasting an instantaneous current reservoir of over 90 amps peak, the Niagara 5000 is specifically designed for today’s current-starved power amplifiers. Other AC power products feature high-current outlets that merely minimize current compression; the Niagara 5000 corrects it.
The Niagara 5000’s non-sacrificial surge protection can withstand multiple AC surges and spikes up to 6000 volts or 3000 amps — the maximum that can make it through a home or office electrical panel. Lesser units sacrifice themselves in order to suppress significant surges. The Niagara 5000 is unaffected by such surges, surviving to do its job over and over again as necessary.
Undervoltage shutdown is not used, since undervoltage alone rarely damages circuits. It’s the massive overvoltage that often follows an undervoltage brown-out that you have to guard against. The Niagara overvoltage circuit responds in a fraction of a second, resetting the output when the AC voltage returns to a safe range.
total of 12 protected AC outlets with six isolated filter banks (compatible with 15-amp and 20-amp AC plugs):
4 High-Current/Transient Power Correction outlets for connecting a power amp, receiver, or powered subwoofer
8 Ultra-Linear Filtered/Ground Noise Dissipated outlets for connecting source components
20-amp IEC-C20 main-in power socket requires a power cable with an IEC-C19 connector
Note: Niagara power conditioners do not include an AC power cable
Transient Power Correction provides over 90 amps peak instantaneous current reservoir for current-starved power amplifiers
patented Ground Noise-Dissipation System vastly reduces ground-borne noise without compromising safety or creating low-level ground loops
Ultra-Linear Noise-Dissipation Technology ensures the most consistent and widest bandwidth noise dissipation possible
Zero Ground-Contamination Technology prevents the noise or surge energy present on AC Line or Neutral from connecting to the AC Ground
direction-controlled ultra-low-resistance solid-core wiring
ultra-linear AudioQuest AC RF filtering capacitors
low impedance NRG Series AC power inlet and outlets
connections feature the superior grip and lower resistance of beryllium copper, plus a heavy Hanging-Silver plating to ensure the lowest impedance at radio frequencies, enabling superior noise dissipation
non-sacrificial surge protection can withstand multiple AC surges and spikes up to 6000 volts or 3000 amps
overvoltage shutdown with automatic reset
maximum current rating: 20 amps
17-1/2″W x 5-1/4″H x 17-1/4″D
weight: 38 lbs.
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