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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.”

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

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