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Sterling Pro Sine wave Inverter

The problems

  • Some of this equipment has a special power requirement, not only do they need sine wave, but more important is that it must be low frequency generated sine wave (transformer based and not switch mode). Switch mode sine wave can interfere with some of the more specialised hi fi equipment currently in use today, causing a hiss or buzz in the background. In some cases teletext on some TVs do not work on standard sine wave inverters.
  • Obviously all this new kit is design to be run from the home where the mains power is on all the time, however when this is put on a vehicle or boat where the mains power is constantly being switched between shore power, generator and inverters, THIS RESULTS IN THE LOSS OF PRESET PROGRAMS AND ANY CLOCKS ETC ON THE SYSTEMS.

The solution

A toroidal transformer, low frequency generated sine wave inverters offers the best sine wave to run this type of sensitive systems, the hi fi and satellite systems being the most susceptible to R.F.I. and on line interference.

All the entertainment equipment could be connected to this box, when the mains is on then the mains runs the equipment. The unit will automatically switch between the mains/generator and the inverter. WITH NO LOSS OF OPERATION ON THE EQUIPMENT, THUS KEEPING ALL ENTERTAINMENT SYSTEM PRESETS.

For maximum safety, this unit has its own built-in earth leak detector and will disconnect itself in the event of a overload or a earth ground fault.


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Sterling Power ProPower L 12v 400 watt Pure Sine Wave Inverter with UPS PN:SI12400L
Sterling Power Onboard 400 watt pure sine wave entertainment equipment inverter ,  (low frequency) with auto crossover switch (U.P.S. function).Dedicated for use with AV systems these models have particularly low levels of noise emissions to which very sensitive equipment can be susceptible. The auto crossover function means that when power is transferred from inverter to another available source, there is no loss of power to the appliances. As a result there is no interruption to operation and clock settings etc are preserved. Includes D/C input cables, A/C input cables plus remote and 10 metre cable

Our price : £297.00 ex VAT save 1%
Inc VAT : £356.40
Market price : £299.92 (ex VAT)
Sterling Power - Pro Power S 24v, 1500w Inverter [PN: SI241500]
The new Sterling pure sine wave, heavy duty inverter ensures all electrical products run at their very best. It removes all problems linked with quasi-sine inverters such as small black lines on some TV

Our price : £450.00 ex VAT save 46%
Inc VAT : £540.00
Market price : £833.25 (ex VAT)