{"product_id":"audioquest-powerquest-909-power-conditioner","title":"AudioQuest PowerQuest 909 Power Conditioner","description":"\u003ch1\u003eAudioQuest PowerQuest 909 12-Outlet Power Conditioner and Non-Sacrificial Surge Protector at Vinyl Sound Toronto Canada\u003c\/h1\u003e\n\n\u003cp\u003eThe PowerQuest 909 is a 12-outlet, 20-amp power conditioner and non-sacrificial surge protector from AudioQuest (Irvine, California, USA), available at Vinyl Sound in Toronto, Canada. Designed by AudioQuest Senior Director of Engineering Garth Powell — the engineer behind the award-winning Niagara series — the PQ-909 is the flagship of the PowerQuest family, combining \u003cstrong\u003eDifferential- and Common-Mode Ultra-Linear Filtering\u003c\/strong\u003e, \u003cstrong\u003e45-amp peak Transient Power Correction (TPC)\u003c\/strong\u003e, and \u003cstrong\u003eNon-Sacrificial Surge Protection rated to withstand repeated 6000V or 3000A strikes\u003c\/strong\u003e in a rack-mountable 2RU chassis. The included PQ-920 2-meter Monsoon-level power cable features Semi-Solid Concentric Perfect-Surface Copper+ (PSC+) conductors with ZERO-Tech and RF\/ND-Tech, delivering uncompressed current from the wall to the conditioner's 12 hospital-grade outlets without restriction or induced noise.\u003c\/p\u003e\n\n\u003ch2\u003eTransient Power Correction: Current on Demand for Amplifiers\u003c\/h2\u003e\n\u003cp\u003eThe most technically demanding challenge in power conditioning is serving high-current amplification components without restricting their instantaneous current draw. Power amplifiers, powered speakers, and subwoofers require brief but enormous current surges during dynamic musical peaks: a passage that demands 45 amps for 25 milliseconds cannot be served by a conditioner with an impedance-limited supply. The PowerQuest 909's Transient Power Correction circuit addresses this directly through a dedicated low-impedance current reservoir capable of delivering over 45 amps peak for up to 25 milliseconds. This reservoir charges continuously from the mains and discharges instantly on demand, ensuring that the four High-Current outlets on the PQ-909 never compress the transient output of even the most demanding amplifiers. The practical result is greater dynamic contrast, improved bass impact and control, and the kind of large-scale musical authority that current-starved amplifiers cannot achieve from a standard power strip or a filtered outlet with insufficient headroom.\u003c\/p\u003e\n\n\u003ch2\u003eDifferential- and Common-Mode Ultra-Linear Filtering\u003c\/h2\u003e\n\u003cp\u003eThe PowerQuest 909 simultaneously addresses two distinct categories of AC line noise that degrade audio and video performance. Differential-mode noise is the asymmetric interference already present on the power line or back-fed into the supply by connected equipment such as switching power supplies, LED drivers, and network devices. Common-mode noise is the RF contamination picked up by the AC power leads acting as antennas, originating from external sources such as mobile cell towers, AM and FM broadcast signals, Bluetooth transmitters, and shortwave interference. The PQ-909's ultra-linear filtering architecture targets both categories simultaneously across the widest bandwidth of any model in the PowerQuest family, contributing to a measurably lower noise floor, blacker backgrounds between musical events, and greater retrieval of low-level detail in both audio and video.\u003c\/p\u003e\n\n\u003ch2\u003ePQ-920 Power Cable: ZERO-Tech, RF\/ND-Tech, and Perfect-Surface Copper+\u003c\/h2\u003e\n\u003cp\u003eThe PQ-909 ships with AudioQuest's 2-meter PQ-920 power cable, a Monsoon-level cable with a 12AWG, 20A RMS rating and IEC C-19 female connector. Its Semi-Solid Concentric conductors use Perfect-Surface Copper+ (PSC+), a conductor material with a surface geometry that minimizes the grain boundaries and imperfections that cause eddy currents and distortion in current-carrying conductors. ZERO-Tech (No Characteristic Impedance) geometry ensures uncompressed transfer of current transients without the reflective behavior that standard cable geometries introduce. RF\/ND-Tech cancels induced RF noise by managing how the cable's electromagnetic field interacts with the surrounding environment, minimizing the circuit misbehavior that RF ingress causes in sensitive audio electronics. The cable's flat-to-wall 45-degree and 90-degree male plug accommodates installations in tight spaces behind equipment racks where a standard straight plug would be impractical. Direction-Controlled conductor orientation ensures that any noise induced during manufacturing or handling is properly dissipated away from the conditioner's input circuits.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20-Amp RMS Maximum Current Capacity:\u003c\/strong\u003e The PQ-909 is rated for a dedicated 20-amp circuit, providing headroom for the most demanding full home theater or high-performance two-channel systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTransient Power Correction (TPC), 45A Peak up to 25ms:\u003c\/strong\u003e A dedicated low-impedance current reservoir delivers over 45 amps on demand to the four High-Current outlets, ensuring power amplifiers, powered speakers, and subwoofers receive uncompressed transient current during dynamic peaks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDifferential- and Common-Mode Ultra-Linear Filtering:\u003c\/strong\u003e Simultaneously targets both asymmetric line noise and externally induced RF contamination across the widest bandwidth in the PowerQuest family for an ultra-low noise floor and deep, black backgrounds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Sacrificial Surge Protection, Unlimited Joules:\u003c\/strong\u003e Withstands multiple transient surges up to 6000V or 3000A without any degradation to internal components. No MOVs, no joule ratings to deplete, no replacement required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtreme-Voltage Shutdown at 140VAC:\u003c\/strong\u003e The main power relay opens in under 0.25 seconds at 140VAC and automatically resets once incoming voltage stabilizes within a safe operating range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12 Hospital-Grade AC Outlets:\u003c\/strong\u003e Four High-Current outlets with TPC for power amplifiers, powered speakers, and subwoofers; eight Ultra-Linear Filtered outlets for source components, TVs, projectors, and streaming devices. Hospital-grade construction provides superior plug retention strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded PQ-920 Power Cable (2m, 20A):\u003c\/strong\u003e Monsoon-level AudioQuest cable with Semi-Solid Concentric PSC+ conductors, ZERO-Tech, RF\/ND-Tech, Direction-Controlled orientation, 12AWG, NEMA male to IEC C-19 female, flat-to-wall 45-degree and 90-degree plug options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRack-Mountable 2RU Chassis with Included Kit:\u003c\/strong\u003e The PQ-909 fits standard 19-inch audio and home theater equipment racks using the included 2-RU rack-mounting hardware for clean, secure integration in custom installation environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Name\u003c\/td\u003e\n      \u003ctd\u003ePowerQuest 909 (PQ-909 \/ PQ909NA)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eAudioQuest\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOrigin\u003c\/td\u003e\n      \u003ctd\u003eIrvine, California, USA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaximum Current Capacity\u003c\/td\u003e\n      \u003ctd\u003e20A RMS\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTransient Power Correction\u003c\/td\u003e\n      \u003ctd\u003e45A peak, up to 25ms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutlets\u003c\/td\u003e\n      \u003ctd\u003e12 hospital-grade: 4x High-Current with TPC, 8x Ultra-Linear Filtered\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSurge Protection Type\u003c\/td\u003e\n      \u003ctd\u003eNon-Sacrificial, unlimited joules\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSurge Capacity\u003c\/td\u003e\n      \u003ctd\u003eMultiple strikes of 6000V or 3000A without degradation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFiltering Mode\u003c\/td\u003e\n      \u003ctd\u003eDifferential-mode and Common-mode Ultra-Linear\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eExtreme-Voltage Shutdown Threshold\u003c\/td\u003e\n      \u003ctd\u003e140VAC (relay opens in under 0.25 seconds; auto-resets)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions\u003c\/td\u003e\n      \u003ctd\u003e3.54\" H x 20\" W x 21.5\" D (HWD)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWeight\u003c\/td\u003e\n      \u003ctd\u003eApprox. 16.9 lb\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eRack Format\u003c\/td\u003e\n      \u003ctd\u003e2RU, includes rack-mounting kit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIncluded Power Cable\u003c\/td\u003e\n      \u003ctd\u003ePQ-920, 2m, 12AWG, 20A RMS, NEMA male to IEC C-19 female\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCable Conductor\u003c\/td\u003e\n      \u003ctd\u003eSemi-Solid Concentric PSC+ and Long-Grain Copper (LGC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCable Technologies\u003c\/td\u003e\n      \u003ctd\u003eZERO-Tech (No Characteristic Impedance), RF\/ND-Tech, Direction-Controlled\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCable Plug\u003c\/td\u003e\n      \u003ctd\u003eFlat-to-wall 45-degree and 90-degree NEMA male plug\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAvailability\u003c\/td\u003e\n      \u003ctd\u003eNorth America only\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAudioQuest PowerQuest 909 power conditioner\u003c\/li\u003e\n  \u003cli\u003ePQ-920 2-meter detachable 20A Monsoon-level power cable with flat-to-wall plug\u003c\/li\u003e\n  \u003cli\u003e2-RU rack-mounting kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eWhat is the AudioQuest PowerQuest 909?\u003c\/h3\u003e\n\u003cp\u003eThe AudioQuest PowerQuest 909 is a 12-outlet, 20-amp power conditioner and non-sacrificial surge protector designed for demanding home theater and high-performance audio systems. It combines Differential- and Common-Mode Ultra-Linear Filtering, a 45-amp peak Transient Power Correction current reservoir, and Non-Sacrificial Surge Protection capable of withstanding repeated 6000V or 3000A strikes in a 2RU rack-mountable chassis. It is the flagship model of the PowerQuest family, designed by Garth Powell, AudioQuest's Senior Director of Engineering and the designer of the award-winning Niagara power conditioner series.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the PowerQuest 909 compare to the AudioQuest Niagara 3000 or Furman Elite-15?\u003c\/h3\u003e\n\u003cp\u003eThe PowerQuest 909 and the Niagara 3000 share Garth Powell's engineering principles and both offer Transient Power Correction: the Niagara 3000 delivers 55 amps peak through two high-current outlets, while the PQ-909 provides 45 amps peak through four high-current outlets, accommodating larger multi-amplifier systems. The Niagara 3000 uses higher-specification internal components and more sophisticated ground noise dissipation technologies, but does not include a power cable, requiring a separate investment in an AudioQuest NRG cable. The PQ-909 includes the Monsoon-level PQ-920 cable and offers 12 outlets versus the Niagara 3000's 7, making it a strong flagship choice for systems that need both performance and outlet count. Compared to the Furman Elite-15 PF i, the PQ-909 offers Non-Sacrificial Surge Protection with unlimited joule capacity versus Furman's MOV-based approach, plus a higher-specification included power cable and the TPC current reservoir architecture.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is Transient Power Correction and why does it matter for amplifiers?\u003c\/h3\u003e\n\u003cp\u003eTransient Power Correction (TPC) is a low-impedance current reservoir circuit built into the PowerQuest 909's High-Current outlets that stores and delivers up to 45 amps of peak current for up to 25 milliseconds on demand. Power amplifiers, powered speakers, and subwoofers require very brief but intense current draws during musical transients — a drum strike, a bass note, a sudden orchestral climax — that can exceed what the mains supply can deliver instantaneously through a standard power conditioner with filtering impedance in the current path. Without TPC, a conditioner can effectively starve an amplifier during peaks, compressing dynamics and reducing bass control. With TPC, the PQ-909 pre-charges the reservoir from the mains continuously and discharges it instantly into the amplifier on demand, removing the current bottleneck entirely.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the difference between differential-mode and common-mode filtering?\u003c\/h3\u003e\n\u003cp\u003eDifferential-mode noise is asymmetric interference that exists between the live and neutral conductors of the AC power line, typically originating from switching power supplies, motor loads, and electronic devices that back-feed noise into the shared electrical circuit. Common-mode noise is interference that appears identically on both the live and neutral conductors relative to ground, typically induced by external RF sources such as cell towers, AM and FM broadcast signals, and Bluetooth transmitters that the power leads pick up like antennas. Most entry-level power conditioners address only differential-mode noise. The PowerQuest 909 applies Ultra-Linear Filtering to both modes simultaneously, targeting the widest noise bandwidth in the PowerQuest family and achieving a measurably lower noise floor across the connected system.\u003c\/p\u003e\n\n\u003ch3\u003eCan the PowerQuest 909 be used without a dedicated 20-amp circuit?\u003c\/h3\u003e\n\u003cp\u003eThe PowerQuest 909 is rated for a 20-amp RMS supply and includes a PQ-920 cable with a NEMA 20A male plug, which requires a 20-amp wall outlet. For full performance and to access the complete 45-amp TPC current reservoir, a dedicated 20-amp circuit is strongly recommended. Using the PQ-909 on a shared 15-amp circuit through an adapter is not the intended operating condition and would limit the conditioner's ability to deliver peak TPC current to connected amplifiers. Vinyl Sound's team in Toronto can advise on power infrastructure requirements for specific system configurations.\u003c\/p\u003e\n\n\u003ch3\u003eWhere can I buy the AudioQuest PowerQuest 909 in Toronto or Canada?\u003c\/h3\u003e\n\u003cp\u003eThe AudioQuest PowerQuest 909 is available at Vinyl Sound, an authorised AudioQuest dealer in Toronto, Canada. The PQ-909 is a North America-only product. Vinyl Sound carries the full AudioQuest PowerQuest and Niagara power conditioning range and can assist with system matching, outlet assignment, rack integration, and dedicated circuit planning for your specific installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich outlet should I use for my power amplifier, subwoofer, and source components on the PQ-909?\u003c\/h3\u003e\n\u003cp\u003eThe four High-Current outlets on the PowerQuest 909 are the correct connection points for power amplifiers, powered speakers, and subwoofers, as these components benefit directly from the 45-amp peak Transient Power Correction current reservoir and require unrestricted current delivery. The eight Ultra-Linear Filtered outlets are designed for source components, preamplifiers, DACs, streamers, televisions, projectors, and other electronics where the differential- and common-mode filtering reduces noise-floor contamination without any concern about current restriction. Connecting a high-current amplifier to a filtered source outlet would restrict its transient current draw; connecting a sensitive source component to a high-current outlet means it misses the noise filtration it needs.\u003c\/p\u003e\n\n\u003ch3\u003eIs the PowerQuest 909 compatible with rack-mount AV installations?\u003c\/h3\u003e\n\u003cp\u003eYes, the PowerQuest 909 is specifically designed for rack-mount integration and includes a 2-RU rack-mounting kit in the box. Its 3.54\" H x 20\" W x 21.5\" D chassis fits standard 19-inch audio and home theater equipment racks. The included PQ-920 cable's flat-to-wall 45-degree and 90-degree plug options allow it to connect to the wall outlet without protruding behind the rack. The detachable cable design and front-panel outlet layout further support clean, professionally finished rack installations in home theater, listening room, and custom install environments.\u003c\/p\u003e","brand":"AudioQuest","offers":[{"title":"Default Title","offer_id":49085693427964,"sku":null,"price":3299.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0116\/1773\/0617\/files\/AudioQuestPowerQuest909PowerConditioner_1.png?v=1778549821","url":"https:\/\/vinylsound.ca\/products\/audioquest-powerquest-909-power-conditioner","provider":"Vinyl Sound Canada Inc.","version":"1.0","type":"link"}