Oehlbach PowerStation 1009 – New flagship for clean power supply in HiFi and home cinema

The performance of a serious HiFi or Home Cinema system is usually discussed in terms of loudspeakers, amplification, source components and cabling. What arrives from the wall tends to receive rather less scrutiny – at least until hum, switching noise or erratic operating conditions make it impossible to ignore. The Oehlbach Kabel GmbH has addressed this part of the signal chain for many years through its PowerStation range, and the new Oehlbach PowerStation 1009 now takes that concept to its most ambitious conclusion. Designed to supply as many as eight components, it combines differentiated mains filtering with extensive protection against potentially damaging events on the electricity network.

Key Facts Oehlbach PowerStation 1009

• High-end mains filter for HiFi and Home Cinema
• Flagship model in the PowerStation portfolio of the Oehlbach Kabel GmbH
• Eight outlets for HiFi and Home Cinema components
• Four filtered “Digital Filter” outlets, two filtered “Digital Ultra Filter” outlets and two “Unfiltered Outlet” sockets
• Encapsulated and resin-potted 600 Watt toroidal transformer
• DC blocker, ground-current filter and gold-plated grounding terminal
• Overvoltage, overload and temperature protection with front-panel status indicators
• All-metal enclosure with brushed aluminium front panel and 24-carat gold-plated contacts
• Internal wiring made from high-purity oxygen-free copper with a cross-section of 3,3 mm²
• Dimensions of 43,5 x 30 x 12,5 cm and a weight of 14,9 kg
• Recommended retail price of € 1.999,-
• Available now from specialist retailers

More Than a Glorified Power Strip

The Oehlbach PowerStation 1009 is aimed at listeners and Home Cinema enthusiasts who regard the mains supply as an integral part of system planning rather than an accessory to be considered at the end. That distinction matters. A modern domestic electricity network is populated by switched-mode power supplies, computers, routers, household appliances and countless connected devices, all of which can introduce high-frequency interference. DC components on the mains may add further complications, particularly when sensitive audio electronics and substantial transformers are involved.

The Oehlbach Kabel GmbH assigns two central responsibilities to the PowerStation 1009. The first is to isolate connected components from unwanted disturbances carried through the mains. The second is to protect those components against critical operating conditions, including overvoltage, overload and excessive temperature.

This is therefore not simply a generously equipped distribution strip. It is conceived as a mains filter and power conditioner for demanding HiFi and Home Cinema installations in which several analogue, digital and high-current components must coexist without all being treated in precisely the same manner.

A 600 Watt Toroidal Transformer at Its Core

At the technical heart of the Oehlbach PowerStation 1009 is an encapsulated and resin-potted toroidal transformer rated at 600 Watt. Its purpose is to help decouple connected equipment from disturbances on the electricity network and provide a more stable foundation for the system’s power supply.

A DC blocker complements the transformer by reducing direct-current components present on the mains. Such DC contamination can prove troublesome for certain power supplies and transformers, potentially manifesting itself as mechanical noise or unsettled operation.

The integrated ground-current filter addresses another familiar problem: hum loops and high-frequency interference pulses. This becomes particularly relevant in more elaborate installations where turntables, digital sources, network hardware, amplifiers, displays and video components are interconnected through multiple signal and earth paths. Under such circumstances, a properly organised power arrangement is not a decorative refinement but a practical means of maintaining orderly operating conditions.

Eight Outlets with Three Distinct Roles

The rear panel of the Oehlbach PowerStation 1009 provides eight mains outlets, divided into three clearly defined groups rather than placed behind a single universal filter stage. Four sockets carry the designation “Digital Filter”. These are intended for digital source components such as network players, music streamers, CD transports, D/A converters and other digitally based electronics. A further two filtered sockets are marked “Digital Ultra Filter”. The Oehlbach Kabel GmbH specifies these for analogue components such as amplifiers. The remaining two connections are designated “Unfiltered Outlet” and leave the incoming supply unfiltered.

This arrangement gives the system builder considerably more freedom than a conventional filtered mains block. Components can be allocated according to their function, power requirements and susceptibility to interference, rather than forcing every device through an identical filter path. High-current or otherwise unsuitable equipment can remain on the unfiltered outlets, while source components are assigned to the dedicated filter sections.

A gold-plated grounding terminal is also provided on the rear panel for connecting a turntable earth lead. In an analogue system, careful grounding can be decisive in controlling hum and maintaining a low-noise signal path, particularly where a turntable, phono stage and amplifier form part of a more extensive installation.

Protection Engineered into Everyday Operation

Filtering is only one part of the PowerStation 1009’s remit. The Oehlbach Kabel GmbH has also equipped its flagship power conditioner with several protective systems intended to safeguard valuable connected electronics. A delay function is designed to limit the current peaks that can occur when connected equipment is switched on. This is accompanied by overload protection and an overvoltage circuit with a particularly short response time.

Four LEDs on the front panel provide immediate information about the relevant operating state. The Overtemperature indicator warns of excessive heat, while Overvoltage identifies a mains overvoltage condition. Overload signals that the permissible load has been exceeded, and Phase Polarity allows the user to verify the mains phase orientation.

These indicators do more than add visual theatre to the front panel. They provide useful, readily understood feedback about conditions that would otherwise remain invisible until a connected component behaved unexpectedly—or, in the worst case, suffered damage.

Built for the HiFi Rack

The physical construction leaves little doubt that the Oehlbach PowerStation 1009 is intended to sit alongside full-size audio electronics rather than disappear behind a cabinet. Its substantial all-metal enclosure is fronted by brushed aluminium, combining mechanical stability with an appearance suited to high-quality HiFi and Home Cinema racks. At 14,9 kg, it possesses considerably more mass than any conventional mains distribution block and makes its status as a dedicated system component abundantly clear.

All contacts are plated with 24-carat gold. Internally, the Oehlbach Kabel GmbH uses conductors made from high-purity oxygen-free copper with a cross-section of 3,3 mm². The intention is to maintain suitably substantial current paths throughout the unit rather than reserve premium materials for the externally visible connections alone.

The Key Advantages at a Glance

• A properly organised system power supply: Eight outlets allow source components, amplification and other equipment to be assigned according to their individual power and filtering requirements.
• Dedicated filtering rather than a one-size-fits-all approach: Separate Digital Filter, Digital Ultra Filter and unfiltered sections make it possible to place different component types on the most appropriate power path.
• Broader protection for valuable electronics: Overvoltage, overload and temperature monitoring are joined by a delay function intended to reduce potentially troublesome switch-on current peaks.
• Useful provision for vinyl systems: The gold-plated grounding terminal offers a direct and practical means of connecting a turntable earth lead and addressing unwanted hum.
• Designed as a genuine rack component: The all-metal enclosure, brushed aluminium fascia, gold-plated contacts and considerable weight give the PowerStation 1009 the construction and presentation expected of a high-end system component.

Price and Availability

The new Oehlbach PowerStation 1009 from the Oehlbach Kabel GmbH is available now through specialist retailers. Its recommended retail price is € 1.999,-.

Conclusion

With the Oehlbach PowerStation 1009, the Oehlbach Kabel GmbH places proper mains management exactly where it belongs: within the planning of the complete HiFi or Home Cinema system. No power conditioner can compensate for poor electrical installation, incorrect grounding or a fundamentally ill-conceived component chain. Nor should it be treated as a universal cure for every sonic ill.

For owners of sophisticated systems, however, the argument is rather more pragmatic. Where several analogue and digital components share the same installation – and where filtering, structured distribution and protection against mains faults are all required – the PowerStation 1009 offers an unusually comprehensive answer. Its differentiated outlet groups, 600 Watt toroidal transformer, DC blocker, ground-current filter and extensive protection circuitry make it a thoroughly engineered power hub for ambitious systems rather than an elaborate extension lead wearing an expensive case.

Technical Specifications