The PowerLine Axis provides an innovative cure to the problem of DC on the mains supply. In theory the mains waveform should be pure AC: a perfect, symmetrical sine wave. In practice the waveform can arrive at the end user clipped, distorted and asymmetrical with a significant DC voltage component. The AC transformers commonly found in equipment power supplies cannot, by nature, tolerate significant DC without being compromised. The PowerLine Axis has five high quality outlets served by a network that re-centres the voltage axis of the mains waveform. This eliminates any DC voltage on the mains power supply, suppressing mechanical hum and liberating performance. Surge protection provides peace of mind too.
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Power supplies in Hi-Fi and AV equipment often assume connection to a perfect mains supply. In theory the mains waveform should be pure AC: a perfect, symmetrical sine wave. Many of the myriad appliances connected to the supply, at home and in industry; from electronic dimmers to computer power supplies, use the AC energy available in a mains cycle unevenly. The net result is the effective addition of DC to the mains network.
This effect is inevitable and also inherently unpredictable. In practice the waveform can arrive at the end-user clipped, distorted and asymmetric. Simplistic analyses of unmatched peak voltages are not the whole story: Any AC waveform which does not have equal energy in both positive and negative phases will contain a DC component; regardless of what the peak voltages are or what the wave shape is.
The AC transformers commonly found in audio equipment cannot, by nature, tolerate significant DC without being compromised.
As all transformers convert power through the medium of magnetism, any DC present will inhibit its capacity to transform AC by partially or completely saturating the magnetic circuit. It is this vulnerability to DC that causes acoustic hum and significantly reduces the transformer’s power capacity. Even measured at comparatively low levels we have found that this has a significant negative impact on the following power supply and circuit performance, which in turn can degrade sound quality.
The graph is an illustration of an imperfect mains waveform before processing by the Axis circuit:
The ISOL-8 Axis circuit re-balances the energy axis of the mains waveform without restricting the effective current capacity. This eliminates any DC voltage on the mains power supply, suppressing acoustic hum and liberating system performance.
Waveform after processing by the Axis circuit:
|Number of available outlets:||5|
|Type of outlets available:||European Shuko|
|Standard Mains Inlet:||IEC fused socket (Cable not supplied)|
|Dimensions:||400 x 83 x 88mm (W x H x D) excluding connectors|
540 x 100 x 110mm (W x H x D) packaged
|Construction:||Aluminum top plate “titanium” anodise. Powder coated steel chassis|
|Mains Voltage:||230VAC version for 220-240VAC|
|Maximum Current:||10 Amps across any one power outlet|
10 Amps across all outlets