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 In the PQ-505, Ultra-Linear Noise-Dissipation is achieved with the addition of Common-Mode filtering (30kHz–100MHz) to address symmetrical noise, which is typically picked up by the AC Line, Neutral, and Ground leads.

AudioQuest® PowerQuest® Series Power Conditioner

All three of our new rack-mountable PowerQuest models — the PQ-303, PQ-505, and PQ-707 — take AudioQuest's comprehensive approach to AC power conditioning, addressing noise linearly to provide class-leading, wide-bandwidth noise reduction (better than -22dB).

The PQ-303’s Linear Noise-Dissipation comprises Differential-Mode filtering (30kHz–1GHz), which addresses asymmetrical noise already present on the utility line or backwashed via electronic appliances and components. In the PQ-505, Ultra-Linear Noise-Dissipation is achieved with the addition of Common-Mode filtering (30kHz–100MHz) to address symmetrical noise, which is typically picked up by the AC Line, Neutral, and Ground leads. In the PQ-707, Ultra-Linear Noise Dissipation is taken even further with a wider-bandwidth (8kHz to 1GHz) Differential-Mode filter.

In addition, the PQ-707 includes Transient Power Correction (TPC).

TPC provides a current reservoir of up to 45 amps peak on-demand power for any amplifier (up to 25mS), supplying the low-impedance current the amp needs to produce thrilling dynamic contrasts, bass extension, and control.

All models feature Non-Sacrificial Surge Protection and Extreme-Voltage Automatic Shutdown at 140VAC.

If more than 140VAC is present on the incoming AC line for more than a quarter of a second, the circuit will instantly open a high-current relay that will disengage the AC power from all the PowerQuest AC outlets, activating the red front-panel LED “Overvoltage Protection” warning indicator. Once the event has passed, or the building wiring fault has been corrected, the circuit will automatically re-engage.

Take comfort in knowing that valuable gear is well protected.

All North American models provide 12 total AC outlets: 4 High-Current outlets for variable-current amplification components (power amps, powered speakers, A/V receivers, subwoofers, etc.) and 8 Linear-Filtered outlets for constant-current source components (TVs, media-streaming devices, disc players, turntables, preamplifiers, cable boxes, etc.).

Each AC power bank is isolated and optimized for the connected device, enhancing the PowerQuest's ability to efficiently control the complex interactions of:

Radio-frequency noise and other induced noises present in the AC power supplied from the utility

The noise that will be present on and in every AC cord

The noise that is produced within your system’s components and that “backwashes” into the PowerQuest’s output circuits.

Finally, all models come with optional 2RU rack ears and a detachable 2m PowerQuest power cable with a flat-to-wall plug.

The inclusion of a Direction-Controlled AC power cable is crucial to maximizing RF-Noise dissipation and means each PowerQuest unit is ready to go from the box to the rack in just minutes.

2RU rack mount “ears” included in the box.

A direction-controlled cable is crucial to maximizing RF-Noise dissipation — Included with every PQ model.

Better than the wall! Transient Power Correction and 45 amp on-demand current reservoir (shown) enable AQ Niagara level dynamics and jump-factor, like “the artist intended.”

The PQ-303’s Linear Noise-Dissipation comprises Differential-Mode filtering (30kHz–1GHz), which addresses asymmetrical noise already present on the utility line or backwashed via electronic appliances and components. 

In the PQ-707, Ultra-Linear Noise Dissipation is taken even further with a wider-bandwidth (8kHz to 1GHz) Differential-Mode filter. In addition, the PQ-707 includes Transient Power Correction (TPC).

AudioQuest PowerQuest 2 AC Power Conditioner for sale. Shop  your authorized AudioQuest dealer for the best power conditioner deals.

AudioQuest® PowerQuest 2 AC Power Conditioner

Directionally Optimized Concentric–Geometry AudioQuest Power Cord

Enhance your audio and video entertainment experience with PowerQuest. Our power filtration removes more noise and distortion than most common power conditioners, dramatically improving your system's performance. Unlike traditional surge protectors, non–sacrificial surge suppression prevents both high voltage and current from damaging your equipment, ensuring that your PowerQuest device won’t fail over time.

In addition, the PowerQuest PQ–2 features both a slim profile and a rugged floor–mounting stand that makes it ideal for mounting behind cabinets. Power cords plug straight down to the top–layer AC outlets, making installation trouble free. For those who prefer shelf mounting, the bottom stand can be easily removed. This allows easy access to all six power outlets. Sending clean power to your A/V system was never so simple or convenient.

140VAC: Will activate the main power circuit relay to open within less than 0.25 seconds; automatically resets once the incoming power is within a safe range.

Non–Sacrificial: Nothing to damage with repeated 6000V/3000A input surge tests, which is the maximum that can survive a building’s AC electrical panel.

Differential–Mode Noise Dissipation: In excess of 22dB reduction from 30kHz–1GHz. Filter linearized for dynamic (rising) line impedance with frequency from 0.05 Ohms (source) and 10 to 50 Ohm load, (system current dependent).

In addition to the Linear Filter, this outlet offers additional Noise–Dissipation technology to maximize TV performance.

1 x 4K/8K Video Optimized Linear Filter Outlet

AudioQuest PowerQuest 3 AC Power Conditioner for sale. Shop  your authorized AudioQuest dealer for the best power conditioner deals.

AudioQuest® PowerQuest 3 AC Power Conditioner

In addition, the PowerQuest PQ–3 features both a slim profile and a rugged floor–mounting stand that makes it ideal for mounting behind cabinets. Power cords plug straight down to the top–layer AC outlets, making installation trouble free. For those who prefer shelf mounting, the bottom stand can be easily removed, permitting access to two rows of AC outlets (eight total). Sending clean power to your A/V system was never so simple or convenient.

Differential–Mode Noise Dissipation: In excess of 22dB reduction from 30kHz–1GHz; Common–Mode Noise Dissipation: In excess of 22dB reduction from 30kHz–100MHz. Both filters linearized for dynamic (rising) line impedance with frequency from 0.05 Ohms (source) and 10 to 50 Ohm load, (system current dependent).

In addition to the Ultra–Linear Filters, these outlets offer additional Noise–Dissipation technology to maximize TV performance.

2 x 4K/8K Video Optimized Ultra–Linear Filter Outlets

The Niagara 3000 features our patented AC Ground-Noise Dissipation, the widest bandwidth-linearized AC filter in the industry, and our unique passive/active Transient Power Correction Circuit.

AudioQuest® Niagara 3000 Power Conditioner

The Niagara 3000 features our patented AC Ground-Noise Dissipation, the widest bandwidth-linearized AC filter in the industry, and our unique passive/active Transient Power Correction Circuit. Boasting an instantaneous current reservoir of over 55 amps peak, the Niagara 3000 is specifically designed for today’s current-starved power amplifiers. Many AC power products featuring “high-current outlets” merely minimize current compression; the Niagara 3000 corrects it.

Though it’s easy to tout a given technology, it’s quite another thing to create a solution that is consistent, holistic, functional, and that honors verifiable science. It’s not enough to reduce AC line noise and its associated distortions at just one octave, thus leaving vulnerable the adjacent octaves and octave partials to noise, resonant peaking, or insufficient noise reduction. Consistency is key. We should never accept superior resolution in one octave, only to suffer from masking effects a half-octave away and ringing artifacts two octaves from there. This is the principal criterion for AudioQuest’s Low-Z Power Noise-Dissipation System.

The Niagara 3000 represents over 20 years of exhaustive research and proven AC power products designed for audiophiles, broadcast engineers, and professional-audio applications. Every conceivable detail has been addressed: In the Niagara 3000, you’ll find optimized radio-frequency lead directionality, capacitor run-in forming technologies developed by Jet Propulsion Laboratories and NASA, and AC inlet and outlet contacts with heavy silver plating over extreme-purity copper, assuring the tightest grip possible.

A great system is built from a solid foundation, and that foundation starts with power. With an AudioQuest Niagara 3000, you’ll experience for the first time the clarity, dimensionality, frequency extension, dynamic contrast, and grip your system has always been capable of delivering—if only the power had been right!

We welcome you to experience the Niagara 3000 and hear firsthand the remarkable results of highly optimized power management: startlingly deep silences, stunning dynamic freedom, outstanding retrieval of ambience cues, and gorgeous delineation of instruments and musicians in space. Once you’ve experienced it, it may seem so elegant, so logical, and so obvious that you find yourself wondering why it hadn’t been done before.

Transient Power Correction: 55 amps peak. Provides a current reservoir for any power amplifier (up to 25mS)

Level-X Linear Noise-Dissipation Technology: More than 21 octaves differential-mode filtering (10kHz–1GHz in excess of 24dB reduction) with linear response, optimized for varying line and load impedance

Patented Ground-Noise Dissipation (All outlets): 3 banks of direction-controlled ground-noise dissipation

Input Current Maximum Capacity: 20 amps RMS (total)

Non-Sacrificial Surge Protection: Withstands multiple AC surges and spikes up to 6000V/3000A without sustaining damage—sonically non-invasive

Power Conditioners

AudioQuest® Niagara 3000 Power Conditioner

$4,500.00

AudioQuest® PowerQuest 2 AC Power Conditioner

$279.95

AudioQuest® PowerQuest 3 AC Power Conditioner

$459.95

AudioQuest® PowerQuest® Series Power Conditioner

$849.95

AudioQuest® PowerQuest® Series Power Conditioner

$529.95

AudioQuest® PowerQuest® Series Power Conditioner

$1,599.95

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