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ISOL-8 SubStation Axis
*Mains conditioning products (for entire system)
SubStation Axis (Silver or Black finish) 4 Outlet + DC Blocking
The SubStation Axis provides a more economical third option with the considerable benefits of DC blocking, but without multistage filtering. Where the mains waveform is not perfectly symmetrical in energy content a DC component will be present, this partially saturates the power supply’s mains transformer. This can lead to acoustic hum and reduced performance from connected equipment. A high current version of the acclaimed ISOL-8 Axis circuit blocks any DC on the incoming mains. Four outlets supply a continuous current capability of 16A across the unit with a suitable mains connection. The SubStation Axis is eminently suitable for lifting the performance of all high end system components.
For further information download an E-brochure here.
SUBSTATION RANGE SPECIFICATION
| Number of available outlets: | 4 |
| Power Input: | Neutrik 20A powerCON (cable not supplied) |
| Dimensions: | W: 232mm |
| H: 135mm | |
| D: 420mm (excluding connectors) | |
| Weight: | 4.8 Kg |
| Construction: | Aluminium chassis with Silver finish |
| Aluminium alloy panels (Black optional) | |
| Mains Voltage: | 230VAC version for 220-240VAC |
| 117VAC version for 100-127VAC | |
| Maximum continuous Current: | 16Amps across any one power outlet |
| Protection: | Rear panel circuit breaker |
DC on the Mains.
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 below 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:
